Pipe Connectors | McMaster-Carr

High-Pressure Iron and Steel Threaded Pipe Fittings

Strong enough for pressures up to 6,000 psi

396 products

Standard-Wall Iron and Steel Threaded Pipe Nipples and Pipe

Pair with low-pressure fittings; also known as Schedule 40

669 products

Extreme-Pressure Iron and Steel Threaded Pipe Fittings

Our strongest iron and steel threaded fittings withstand pressures up to 7,500 psi

663 products

Low-Pressure Threaded Pipe Fittings for Joining Dissimilar Metals

A plastic sleeve prevents corrosion when connecting different types of metal

Thick-Wall Iron and Steel Threaded Pipe Nipples and Pipe

Pair with medium-pressure fittings; also known as Schedule 80

538 products

Standard-Wall Iron and Steel Threaded Pipe Nipples and Pipe with Sealant

Threads have sealant applied for extra leak protection in low-pressure lines; known as Schedule 40

57 products

Low-Pressure Iron and Steel Threaded Pipe Fittings with Sealant

Male threads have sealant applied for extra leak protection in low-pressure lines

83 products

Low-Pressure Iron and Steel Threaded Pipe Flanges

Create an access point in lines up to 285 psi; also known as Class 150 flanges

70 products

Extra-Thick-Wall Iron and Steel Threaded Pipe Nipples and Pipe

Pair with high-pressure fittings; also known as Schedule 160

108 products

Quick-Tighten Standard-Wall Iron and Steel Threaded Pipe Nipples and Pipe

Tighten both ends at the same time by turning with a wrench; also known as Schedule 40

SAE High-Pressure Iron and Steel Threaded Pipe Flanges

Add an access point in hydraulic lines up to 3,000 psi; also known as Code 61 SAE hydraulic flanges

Standard-Wall Iron and Steel Threaded Pipe Nipples and Pipe Assortments

Keep various lengths of low-pressure pipe nipples and pipe on hand

FM-Approved Low-Pressure Iron and Steel Threaded Pipe Fittings

Connect threaded pipe in fire water mains and sprinkler systems

98 products

High-Pressure Iron and Steel Threaded Pipe Flanges

Create an access point in lines up to 1,400 psi; also known as Class 300 or Class 600 flanges

FM-Approved Low-Pressure Iron and Steel Threaded Pipe Flanges

Add an access point to fire water mains and sprinkler systems

Ultra-Thick-Wall Iron and Steel Threaded Pipe Nipples and Pipe

Our strongest threaded pipe for handling extreme pressures; also known as Schedule XXH

84 products

SAE Extreme-Pressure Iron and Steel Threaded Two-Piece Pipe Flanges

Pair with an adapter for a custom access point in hydraulic lines up to 6,000 psi

12 products

Extreme-Pressure Iron and Steel Threaded Pipe Flanges

Create an access point in extreme-pressure lines; also known as Class 1500 flanges

High-Pressure Iron and Steel Threaded Pipe Fitting Assortments

Keep various sizes of high-pressure caps and plugs on hand

2 products

SAE High-Pressure Iron and Steel Threaded Two-Piece Pipe Flanges

Pair with an adapter to build a custom access point in hydraulic lines up to 3,000 psi

Low-Pressure Stainless Steel Threaded Pipe Fittings

Stainless Steel Threaded Pipe and Fittings

For pressures up to 500 psi

1,387 products

Medium-Pressure Stainless Steel Threaded Pipe Fittings

For pressures up to 1,000 psi

175 products

High-Pressure Stainless Steel Threaded Pipe Fittings

Strong enough for pressures up to 3,000 psi

563 products

Standard-Wall Stainless Steel Threaded Pipe Nipples and Pipe

Pair with low-pressure fittings; also known as Schedule 40

1,308 products

Precision Extreme-Pressure Stainless Steel Threaded Pipe Fittings

The tightest tolerances of our stainless steel fittings; also called instrumentation fittings

243 products

Extreme-Pressure Stainless Steel Threaded Pipe Fittings

Our strongest stainless steel threaded fittings withstand pressures as high as 15,000 psi

439 products

Premium Medium-Pressure Stainless Steel Threaded Pipe Fittings

Cast in the U.S. and include certificate with traceable lot number

47 products

Thick-Wall Stainless Steel Threaded Pipe Nipples and Pipe

Pair with high-pressure fittings; also known as Schedule 80

479 products

Low-Pressure Stainless Steel Threaded Pipe Fittings with Sealant

Male threads have sealant applied for extra leak protection in low-pressure lines

141 products

Standard-Wall Stainless Steel Threaded Pipe Nipples and Pipe with Sealant

Male threads have sealant applied for extra leak protection in low-pressure lines

206 products

Premium Low-Pressure Stainless Steel Threaded Pipe Fittings

Cast in the U.S. and include certificate with traceable lot number

134 products

Miniature Medium-Pressure Stainless Steel Threaded Pipe Fittings

Less than two inches to fit in medium-pressure lines with limited space

204 products

Low-Pressure Stainless Steel Threaded Pipe Flanges

Create an access point in lines up to 290 psi; also known as Class 150 flanges

98 products

High-Pressure Stainless Steel Threaded Pipe Flanges

Create an access point in lines up to 1,200 psi; also known as Class 300 or Class 600 flanges

34 products

SAE High-Pressure Stainless Steel Threaded Two-Piece Pipe Flanges

Pair with an adapter for a custom access point in hydraulic lines up to 5,000 psi

Standard-Wall Stainless Steel Threaded Pipe Nipples and Pipe Assortments

Keep multiple lengths of low-pressure pipe nipples and pipe on hand

22 products

SAE High-Pressure Stainless Steel Threaded Pipe Flanges

Add an access point in high-pressure hydraulic lines; also known as Code 61 SAE hydraulic flanges

Standard-Wall Plastic Pipe Fittings for Water

Plastic Pipe and Fittings

The industry standard for low-pressure water lines; also known as Schedule 40

899 products

Thick-Wall Plastic Pipe Fittings for Water

Withstand heavy duty applications, such as water processing; also known as Schedule 80

929 products

CPVC Pipe Fittings for Chemicals

Withstand salt solutions, acids, and other harsh substances

586 products

UV-Resistant Polypropylene Pipe Fittings for Chemicals

Withstand sunlight as well as acids, solvents, and other chemicals

150 products

Thick-Wall Plastic Pipe Nipples and Pipe for Water

Withstand heavy duty applications, such as water processing; also known as Schedule 80

324 products

Clear-View Standard-Wall Plastic Pipe Fittings for Water

See inside low-pressure plumbing and water supply lines; also known as Schedule 40

78 products

Plastic Pipe Fittings for Oil

Won’t deteriorate when exposed to oil

120 products

Flame-Retardant PVDF Pipe Fittings for Food and Beverage

IEC rated for flame retardance, NSF/ANSI rated for drinking water, and FDA compliant

38 products

UV-Resistant Standard-Wall Plastic Pipe Fittings for Water

Stand up to sunlight for use in outdoor low-pressure water lines; also known as Schedule 40

40 products

Plastic Pipe Fittings for Gasoline

Connect gasoline fuel lines to machines and equipment

86 products

Easy-Access CPVC Pipe Fittings for Chemicals

Connect to pipe with a clamp for quick access to chemical-process lines; known as Victaulic fittings

20 products

CPVC Pipe Nipples and Pipe for Chemicals

Withstand salt solutions, acids, and other harsh substances; also known as Schedule 80

244 products

High-Temperature PTFE Pipe Fittings for Harsh Chemicals

Withstand the widest temperature range of our plastic pipe for chemicals; known as Schedule 80

61 products

Plastic Barbed Pipe Fittings for Water

Clamp to semi-flexible plastic pipe to connect lines up to 200 psi; also called insert fittings

125 products

Plastic Pipe Fittings for Food and Beverage

Won't transfer tastes or odors to food or beverages

44 products

Polypropylene Barbed Pipe Fittings for Chemicals

Clamp to semi-flexible plastic pipe and withstand acids and solvents; also called insert fittings

30 products

Low-Pressure Plastic Compression Pipe Fittings for Water

Tighten by hand for quick, leak-free connections in lines up to 125 psi

Thick-Wall Plastic Pipe Flanges for Water

Create an access point in high-pressure water supply lines; also known as Class 150 flanges

86 products

Standard-Wall Plastic Pipe Nipples and Pipe for Water

The industry standard for low-pressure water lines; also known as Schedule 40

68 products

Crack-Resistant PFA Pipe Fittings for Harsh Chemicals

Resist cracking in heavy duty chemical flow processes; also known as Schedule 80

41 products

Spin-Weld Plastic Pipe Fittings for Water

Melt into plastic tanks, walls, and panels for a leak-free connection without gaskets or sealants

Clear-View Thick-Wall Plastic Pipe Nipples and Pipe for Water

See inside high-pressure plumbing and water supply lines; also known as Schedule 80

65 products

High-Purity Polypropylene Pipe Fittings for Drinking Water

Polished to an ultra-smooth finish that won't leach contaminants or accumulate particles

77 products

High-Temperature PTFE Pipe Nipples and Pipe for Harsh Chemicals

Withstand the widest temperature range of our plastic pipe for chemicals; known as Schedule 80

42 products

Easy-Access UV-Resistant Polypropylene Pipe Fittings for Chemicals

Clamp onto pipe for quick disassembly and withstand sunlight and harsh chemicals

32 products

Rubber Drain Pipe Plugs

Seal unthreaded pipe ends

Fiberglass Pipe Fittings for Chemicals

Our strongest plastic fittings for chemical-process applications, such as metal treatment

23 products

Clear-View Standard-Wall Plastic Pipe Nipples and Pipe for Water

See inside low-pressure plumbing and water supply lines; also known as Schedule 40

65 products

CPVC Pipe Flanges for Chemicals

Add an access point to lines that withstand chemicals; also known as Class 150 flanges

63 products

Flame-Retardant High-Purity PVDF Pipe Fittings for Harsh Chemicals

Handle acids and organic solvents without leaching contaminants into your line

67 products

UV-Resistant Polypropylene Pipe Nipples and Pipe for Chemicals

Withstand sunlight as well as acids, solvents, and other chemicals; also known as Schedule 80

45 products

Flame-Retardant PVDF Pipe Fittings for Harsh Chemicals

UL rated for flame retardance and withstand solvents and other harsh chemicals

26 products

Semi-Flexible Plastic Pipe Nipples and Pipe for Water

Clamp to barbed plastic fittings to build lines flexible enough to bend around objects

24 products

Flame-Retardant High-Purity PVDF Pipe Nipples and Pipe for Harsh Chemicals

Handle acids and organic solvents without leaching contaminants into your line

Fiberglass Pipe Flanges for Chemicals

Create an access point in heavy duty chemical-process lines, such as for plating solution

Easy-Access CPVC Pipe Flanges for Chemicals

Connect to pipe with a clamp for quick access to chemical-process lines; known as Victaulic flanges

Flame-Retardant PVDF Pipe Nipples and Pipe for Harsh Chemicals

UL rated for flame retardance and withstand solvents and other harsh chemicals

21 products

UV-Resistant Thick-Wall Plastic Pipe Nipples and Pipe for Water

Stand up to sunlight for use in outdoor high-pressure water lines; also known as Schedule 80

19 products

UV-Resistant Polypropylene Pipe Flanges for Chemicals

Add an access point to lines that withstand sunlight and chemicals; also known as Class 150 flanges

UV-Resistant Standard-Wall Plastic Pipe Nipples and Pipe for Water

Stand up to sunlight for use in outdoor low-pressure water lines; also known as Schedule 40

Easy-Access CPVC Pipe Nipples and Pipe for Chemicals

Attach to fittings with a clamp for quick access to chemical-process lines; known as Victaulic pipe

13 products

High-Purity Polypropylene Pipe Nipples and Pipe for Drinking Water

Polished to an ultra-smooth finish that won't leach contaminants or accumulate particles

Fiberglass Pipe Nipples and Pipe for Chemicals

Our strongest plastic pipe for chemical-process applications, such as metal treatment

ABS Threaded Cleanout Plugs

Close off your drain cleanout pipe

Flame-Retardant PVDF Pipe Flanges for Harsh Chemicals

Add an access point to lines that resist spreading fire and withstand harsh chemicals

High-Purity Polypropylene Pipe Flanges for Drinking Water

Add an access point to lines that won't leach contaminants; also known as Class 150 flanges

High-Temperature PTFE Pipe Flanges for Harsh Chemicals

Add an access point in high-temperature chemical-process lines; also known as Class 150 flanges

High-Pressure Brass and Bronze Threaded Pipe Fittings

Brass and Bronze Threaded Pipe and Fittings

Strong enough for pressures up to 3,900 psi

882 products

Low-Pressure Brass and Bronze Threaded Pipe Fittings

For pressures up to 300 psi

711 products

Medium-Pressure Brass and Bronze Threaded Pipe Fittings

For pressures up to 700 psi

119 products

Standard-Wall Brass and Bronze Threaded Pipe Nipples and Pipe

Pair with low-pressure fittings; also known as Schedule 40

438 products

High-Pressure Brass and Bronze Threaded Pipe Nipples and Pipe

Strong enough for pressures up to 2,170 psi

140 products

High-Pressure Brass and Bronze Threaded Pipe Fittings with Sealant

Male threads have sealant applied for extra leak protection in high-pressure lines

79 products

Precision High-Pressure Brass and Bronze Threaded Pipe Fittings

The tightest tolerances of our brass pipe fittings; also known as instrumentation fittings

127 products

High-Pressure Brass and Bronze Threaded Pipe Fittings for Drinking Water

NSF/ANSI rated for drinking water systems up to 1,200 psi

124 products

Universal-Thread Medium-Pressure Brass and Bronze Threaded Pipe Fittings

Compatible with the most common thread types for when you're unsure which one you need

22 products

Miniature Low-Pressure Brass and Bronze Threaded Pipe Fittings

Less than an inch to fit in low-pressure lines with limited space

Low-Pressure Brass and Bronze Threaded Pipe Fittings with Sealant

Male threads have sealant for extra leak protection in low-pressure lines

Thick-Wall Brass and Bronze Threaded Pipe Nipples and Pipe

Pair with high-pressure fittings; also known as Schedule 80

144 products

Miniature High-Pressure Brass and Bronze Threaded Pipe Fittings

No bigger than an inch to fit in high-pressure lines with limited space

High-Pressure Brass and Bronze Threaded Pipe Nipples and Pipe for Drinking Water

NSF/ANSI rated for drinking water systems up to 1,000 psi

Standard-Wall Brass and Bronze Threaded Pipe Nipples and Pipe with Sealant

Threads have sealant applied for extra leak protection in low-pressure lines; known as Schedule 40

88 products

Brass and Bronze Threaded Laboratory Pipe Flanges

Add a connection for stop cocks, needle valves, and nozzles

Easy-Install High-Pressure Brass and Bronze Threaded Pipe Fittings

Install and remove with a socket wrench or hex key

Standard-Wall Brass and Bronze Threaded Pipe Nipples and Pipe Assortments for Drinking Water

Keep various lengths of NSF/ANSI-rated pipe on hand

Standard-Wall Brass and Bronze Threaded Pipe Nipples and Pipe for Drinking Water

NSF/ANSI rated for drinking water systems; also known as Schedule 40

68 products

Brass and Bronze Threaded Cleanout Plugs

Close off your drain cleanout pipe

High-Pressure Brass and Bronze Threaded Pipe Nipples and Pipe with Sealant

Male threads have sealant applied for extra leak protection in high-pressure lines

Low-Pressure Brass and Bronze Threaded Pipe Flanges

Create an access point in lines up to 225 psi; also known as Class 150 flanges

Low-Pressure Aluminum Threaded Pipe Fittings

Aluminum Threaded Pipe and Fittings

For pressures up to 250 psi

372 products

Standard-Wall Aluminum Threaded Pipe Nipples and Pipe

Pair with low-pressure fittings; also known as Schedule 40

374 products

High-Pressure Aluminum Threaded Pipe Fittings

Our strongest aluminum threaded fittings withstand pressures up to 3,000 psi

43 products

Miniature Low-Pressure Aluminum Threaded Pipe Fittings

Less than two inches to fit in low-pressure lines with limited space

59 products

Medium-Pressure Aluminum Threaded Pipe Fittings

For pressures up to 1,000 psi

28 products

Low-Pressure Aluminum Threaded Pipe Flanges

Create an access point in lines up to 150 psi; also known as Class 125 flanges

21 products

Thick-Wall Aluminum Threaded Pipe Nipples and Pipe

Pair with high-pressure fittings; also known as Schedule 80

24 products

Galvanized Iron and Steel Threaded Pipe and Fittings

Low-Pressure Galvanized Iron and Steel Threaded Pipe Fittings

For pressures up to 300 psi

497 products

Quick-Tighten Low-Pressure Galvanized Iron and Steel Threaded Pipe Fittings

Tighten both ends at the same time by turning with a wrench

Medium-Pressure Galvanized Iron and Steel Threaded Pipe Fittings

For pressures up to 2,000 psi

100 products

High-Pressure Galvanized Iron and Steel Threaded Pipe Fittings

Strong enough for pressures up to 3,000 psi

127 products

Precision Extreme-Pressure Galvanized Iron and Steel Threaded Pipe Fittings

The tightest tolerances of our iron and steel fittings; also known as instrumentation fittings

98 products

Standard-Wall Galvanized Iron and Steel Threaded Pipe Nipples and Pipe

Pair with low-pressure fittings; also known as Schedule 40

394 products

Low-Pressure Galvanized Iron and Steel Threaded Pipe Fittings with Sealant

Male threads have sealant applied for extra leak protection in low-pressure lines

64 products

Thick-Wall Galvanized Iron and Steel Threaded Pipe Nipples and Pipe

Pair with medium-pressure fittings; also known as Schedule 80

108 products

Standard-Wall Galvanized Iron and Steel Threaded Pipe Nipples and Pipe for Joining Dissimilar Metals

A plastic sleeve prevents corrosion when connecting different types of metal

Standard-Wall Galvanized Iron and Steel Threaded Pipe Nipples and Pipe with Sealant

Threads have sealant applied for extra leak protection in low-pressure lines

High-Pressure Galvanized Iron and Steel Threaded Pipe Flanges

Create an access point in high-pressure lines; also known as Class 300 flanges

7 products

Extra-Thick-Wall Galvanized Iron and Steel Threaded Pipe Nipples and Pipe

Pair with high-pressure fittings; also known as Schedule 160

31 products

Low-Pressure Galvanized Iron and Steel Threaded Pipe Flanges

Create an access point in lines up to 285 psi; also known as Class 150 flanges

13 products

Standard-Wall Galvanized Iron and Steel Threaded Pipe Nipples and Pipe Assortments

Keep multiple lengths of low-pressure pipe nipples and pipe on hand; also known as Schedule 40

Drain, Waste, and Vent PVC Clamp-On Pipe Fittings for Water

Drain, Waste, and Vent Pipe and Fittings

Clamp onto pipe for a strong seal and easy assembly

111 products

Drain, Waste, and Vent Iron and Steel Pipe Fittings

Durable enough for pipe systems above and below ground; also called no-hub and soil pipe fittings

40 products

Drain, Waste, and Vent ABS Pipe Fittings for Chemicals

An economical choice for gravity-flow chemical-waste systems; also known as Schedule 40

99 products

Drain, Waste, and Vent Standard-Wall PVC Pipe Fittings for Water

The industry standard for gravity-flow drain, waste, and vent applications; known as Schedule 40

102 products

Flame-Retardant Drain, Waste, and Vent Polypropylene Pipe Fittings for Chemicals

UL rated for flame retardance and withstand organic solvents that would dissolve CPVC fitings

67 products

Drain, Waste, and Vent ABS Pipe Nipples and Pipe for Chemicals

An economical choice for gravity-flow chemical-waste systems; also known as Schedule 40

Flame-Retardant Drain, Waste, and Vent CPVC Pipe Fittings for Chemicals

UL rated for flame retardance and NSF certified for use in gravity-flow corrosive-waste systems

Easy-Access Underground Drain, Waste, and Vent Polyethylene Pipe Nipples and Pipe for Water

Snap onto fittings to quickly connect without cement

Drain, Waste, and Vent Standard-Wall PVC Pipe Flanges for Water

Create an access point in gravity-flow drain, waste, and vent lines; also known as Schedule 40

Cut-to-Length Drain, Waste, and Vent PVC Clamp-On Pipe Fittings for Water

Cut to the length you need to connect pipe up to 100 ft. apart

Underground Drain, Waste, and Vent PVC Pipe Fittings for Water

Thin walls give extra room for high-flow applications, such as underground storm drainage lines

55 products

Flame-Retardant Drain, Waste, and Vent CPVC Pipe Nipples and Pipe for Chemicals

UL rated for flame retardance and NSF certified for use in corrosive-waste gravity-flow systems

7 products

Drain, Waste, and Vent PVC Pipe Fittings for Joining Metal to Plastic

Connect PVC waste pipe to cast iron pipe without adding bulk

Easy-Access Underground Drain, Waste, and Vent Polyethylene Pipe Fittings for Water

Snap onto pipe to quickly connect without cement

12 products

Underground Drain, Waste, and Vent PVC Pipe Nipples and Pipe for Water

Thin walls give extra room for high-flow applications, such as underground storm drainage lines

Drain, Waste, and Vent Iron and Steel Pipe Nipples and Pipe

Durable enough for pipe systems above and below ground; also called no-hub and soil pipe

Drain, Waste, and Vent ABS Pipe Flanges for Chemicals

Add an access point in gravity-flow chemical-waste systems

Flame-Retardant Drain, Waste, and Vent Polypropylene Pipe Nipples and Pipe for Chemicals

UL rated for flame retardance and withstand organic solvents that would dissolve CPVC pipe

High-Pressure Iron and Steel Socket-Connect Pipe Fittings

Iron and Steel Unthreaded Pipe and Fittings

Easier to weld than butt-weld fittings and withstand pressures up to 3,000 psi

161 products

Low-Pressure Iron and Steel Butt-Weld Pipe Fittings

Beveled ends help create strong welds for maximum flow in low-pressure lines

126 products

FM-Approved Medium-Pressure Iron and Steel Grooved-End Pipe Fittings

Clamp to pipe for quick access to fire water mains and sprinkler systems; known as Victaulic fittings

56 products

High-Pressure Iron and Steel Butt-Weld Pipe Fittings

Beveled ends help create strong welds for maximum flow in high-pressure lines

78 products

Standard-Wall Iron and Steel Unthreaded Pipe Nipples and Pipe

Pair with low-pressure fittings; also known as Schedule 40

117 products

High-Pressure Iron and Steel Clamp-On Pipe Fittings for Drinking Water

NSF/ANSI rated for drinking water systems up to 500 psi

Extreme-Pressure Iron and Steel Socket-Connect Pipe Fittings

Our strongest iron and steel unthreaded fittings withstand pressures up to 6,000 psi

30 products

Thick-Wall Iron and Steel Unthreaded Pipe Nipples and Pipe

Pair with high-pressure fittings; also known as Schedule 80

82 products

High-Pressure Iron and Steel Unthreaded Pipe Flanges

Create an access point in lines up to 1,400 psi; also known as Class 300 or Class 600 flanges

97 products

Low-Pressure Iron and Steel Compression Pipe Fittings

Tighten by hand for quick, leak-free connections in lines up to 200 psi

29 products

FM-Approved Standard-Wall Iron and Steel Grooved-End Pipe Nipples and Pipe

Clamp to fittings for quick access to fire water mains and sprinkler systems

23 products

Medium-Pressure Iron and Steel Butt-Weld Pipe Fittings

Beveled ends help create strong welds for maximum flow in medium-pressure lines

FM-Approved Low-Pressure Iron and Steel Flanged-End Pipe Fittings

Mate with flat-surface flanges, pumps, and valves to add an access point in fire-protection systems

Low-Pressure Iron and Steel Press-Socket Pipe Fittings

Crimp onto pipe for a leak-free connection that's faster than threading or welding

136 products

SAE High-Pressure Iron and Steel Unthreaded Pipe Flanges

Add an access point in hydraulic lines up to 3,000 psi; also known as Code 61 SAE hydraulic flanges

Low-Pressure Iron and Steel Unthreaded Pipe Flanges

Create an access point in lines up to 230 psi

135 products

Extreme-Pressure Iron and Steel Unthreaded Pipe Flanges

Create an access point in extreme-pressure lines; also known as Class 1500 flanges

18 products

Ultra-Thick-Wall Iron and Steel Unthreaded Pipe Nipples and Pipe

Our strongest unthreaded pipe for handling extreme pressures; also known as Schedule XXH

FM-Approved Low-Pressure Iron and Steel Unthreaded Pipe Flanges

Add an access point to fire water mains and sprinkler systems

Low-Pressure Galvanized Iron and Steel Clamp-On Pipe Fittings

Galvanized Iron and Steel Unthreaded Pipe and Fittings

Tighten the bolts to join pipe in air, vacuum, and gravity-flow systems up to 15 psi

28 products

Low-Pressure Galvanized Iron and Steel Compression Pipe Fittings

Tighten by hand for quick, leak-free connections in lines up to 125 psi

7 products

Stainless Steel Unthreaded Pipe and Fittings

High-Pressure Stainless Steel Socket-Connect Pipe Fittings

Easier to weld than butt-weld fittings and withstand pressures up to 3,000 psi

194 products

Low-Pressure Stainless Steel Socket-Connect Pipe Fittings

Easier to weld than butt-weld fittings and withstand pressures up to 300 psi

Low-Pressure Stainless Steel Unthreaded Pipe Flanges

Create an access point in lines up to 230 psi

252 products

Medium-Pressure Stainless Steel Butt-Weld Pipe Fittings

Beveled ends help create strong welds for maximum flow in medium-pressure lines

164 products

Low-Pressure Stainless Steel Press-Socket Pipe Fittings

Crimp onto pipe for a leak-free connection that's faster than threading or welding

Standard-Wall Stainless Steel Unthreaded Pipe Nipples and Pipe

Pair with low- and medium-pressure fittings; also known as Schedule 40

286 products

Low-Pressure Stainless Steel Clamp-On Pipe Fittings

Clamp onto pipe for a strong seal and easy assembly

Thick-Wall Stainless Steel Unthreaded Pipe Nipples and Pipe

Pair with high-pressure fittings; also known as Schedule 80

High-Pressure Stainless Steel Butt-Weld Pipe Fittings

Beveled ends help create strong welds for maximum flow in lines up to 3,000 psi

69 products

Extreme-Pressure Stainless Steel Socket-Connect Pipe Fittings

Our strongest stainless steel unthreaded fittings withstand pressures up to 7,700 psi

29 products

Low-Pressure Stainless Steel Butt-Weld Pipe Fittings

Beveled ends help create strong welds for maximum flow in low-pressure lines

258 products

Thin-Wall Stainless Steel Unthreaded Pipe Nipples and Pipe

Pair with low-pressure fittings; also known as Schedule 10

139 products

Low-Pressure Stainless Steel Compression Pipe Fittings

Tighten by hand for quick, leak-free connections in lines up to 200 psi

23 products

High-Pressure Stainless Steel Unthreaded Pipe Flanges

Create an access point in lines up to 1,200 psi; also known as Class 300 or Class 600 flanges

152 products

Extra-Thick-Wall Stainless Steel Unthreaded Pipe Nipples and Pipe

The strongest stainless steel pipe we offer for extreme pressures; also known as Schedule 160

30 products

SAE High-Pressure Stainless Steel Unthreaded Pipe Flanges

Add an access point in hydraulic lines up to 5,000 psi; also known as Code 61 SAE hydraulic flanges

Easy-Access Low-Pressure Stainless Steel Clamp-On Pipe Fittings

Turn the T-handle to tighten and loosen without tools

High-Pressure Titanium Threaded Pipe Fittings

Titanium Threaded Pipe and Fittings

Strong, lightweight, and more corrosion resistant than stainless steel fittings

19 products

Copper Threaded Pipe and Fittings

Low-Pressure Copper Threaded Pipe Fittings

For pressures up to 200 psi

Standard-Wall Copper Threaded Pipe Nipples and Pipe

Pair with low-pressure fittings; also known as Schedule 40

Low-Pressure Aluminum Quick-Connect Pipe Fittings

Aluminum Unthreaded Pipe and Fittings

Twist onto pipe for quick, sealed connections without threading, soldering, or welding

97 products

Low-Pressure Aluminum Socket-Connect Pipe Fittings

Easier to weld than butt-weld fittings since perfect alignment isn't necessary

35 products

Low-Pressure Aluminum Butt-Weld Pipe Fittings

Beveled ends help create strong welds for maximum flow in low-pressure lines

21 products

Low-Pressure Aluminum Unthreaded Pipe Flanges

Create an access point in lines up to 150 psi; also known as Class 125 flanges

33 products

Standard-Wall Aluminum Unthreaded Pipe Nipples and Pipe

Pair with low- and medium-pressure fittings; also known as Schedule 40

108 products

Thick-Wall Aluminum Unthreaded Pipe Nipples and Pipe

The strongest aluminum unthreaded pipe we offer; also known as Schedule 80

59 products

Thin-Wall Aluminum Unthreaded Pipe Nipples and Pipe

Pair with low-pressure fittings; also known as Schedule 10

48 products

Medium-Pressure Aluminum Butt-Weld Pipe Fittings

Beveled ends help create strong welds for maximum flow in medium-pressure lines

39 products

High-Pressure Aluminum Butt-Weld Pipe Fittings

Beveled ends help create strong welds for maximum flow in high-pressure lines

Standard-Wall Aluminum Quick-Connect Pipe Nipples and Pipe

Tighten by hand for quick connections without threading, soldering, or welding

13 products

Brass and Bronze Unthreaded Pipe and Fittings

Standard-Wall Brass and Bronze Unthreaded Pipe Nipples and Pipe

Braze to low-pressure pipe and fittings for a strong, leak-free connection; known as Schedule 40

32 products

Low-Pressure Brass and Bronze Braze-Socket Pipe Fittings

Braze to pipe for a strong connection in lines up to 200 psi; also known as Silbraze fittings

35 products

Low-Pressure Brass and Bronze Unthreaded Pipe Flanges

Create an access point in lines up to 225 psi; also known as Silbraze flanges

12 products

Copper Unthreaded Pipe and Fittings

Low-Pressure Copper Butt-Weld Pipe Fittings

Beveled ends help create strong welds for maximum flow in low-pressure lines

18 products

Standard-Wall Copper Unthreaded Pipe Nipples and Pipe

Pair with low-pressure fittings

18 products

Other Products

Tube Fittings

Make threaded, push to connect, barbed, and other types of connections between lengths of tube

9,751 products

Slip-On Framing Connectors

Tighten onto slip-on framing rails to build guards, railings, and racks

245 products

Hose Fittings

Create threaded, barbed, quick-disconnect, and other types of connections between lengths of hose

4,328 products

Clamp-On Framing Connectors

Two-piece design wraps around rails to modify structures without disassembling them

156 products

Pipe Expansion Joints

Reduce stress, vibration, and noise in piping systems by absorbing movement

197 products

Scaffold Clamps

Construct scaffolding and secure supports, such as railings

2 products

Pipe Joiners

Connect heavy and difficult-to-position gasketed pipe without powered equipment

1 product

Manifolds

Distribute air or fluid to multiple places from a single source; also called headers

631 products

Orifice Valves

Restrict the flow of liquids and gases to precisely control rate and pressure

989 products

Hose Nozzle Swivels

Rotate to prevent hose from kinking, twisting, and wearing

Organize and separate multiple lines in a pipe system; air and fluid flow through the threaded holes

Junction Blocks

88 products

Faucet Spout Thread Adapters

Connect the female end of your garden hose to a faucet spout

Create a temporary connection point for gauges and other testing equipment

Pressure Test Fittings

31 products

Pipe Stub Ends

Connect a pipe flange to a pipe without needing to weld it in place

154 products

Manual On-Off Valves

Start and stop flow through a line

2,715 products

Connectors for Telescoping Tubes

Lock tubes in place to create adjustable structures, such as folding stands and extension poles

Position and hold pipe joints for welding and assembly

Pipe Welding Clamps

Create a seal that prevents the backflow of gas

Pipe Traps

59 products

Drain Gaskets

Create a watertight seal between your drain and fixture without the mess of plumber's putty

Transfer air, water, oil, and steam from supply lines to continuously revolving drums and rollers

Rotary Joints

102 products

Clamp-On Framing Rail Mounts

Connect to clamp-on framing rails to mount your structure to floors, walls, and ceilings

Compressed Air Filter/Regulator/Lubricator Manifolds

Distribute compressed air to multiple locations from a single source

28 products

Pipe Wrenches

Grasp and turn pipe, conduit, and fittings

115 products

Tube Crimpers

Create a leak-tight seal between tubing and fittings without heat or solder

Treat corrosive chemicals before they drain into sewer systems

Neutralization Tanks

Clamp pipe passing through floors and walls

Pipe Collars

24 products

Pipe Bleed Rings

Access inside a pipe line to vent pressure, drain liquid, and take samples

22 products

Solenoid On-Off Valves

A solenoid withstands rapid cycling for applications with frequent opening and closing

536 products

Air-Actuated On-Off Valves

Operate on compressed air to start and stop flow faster than motor-driven valves

171 products

Motor-Actuated On-Off Valves

An electric motor handles higher flow rates and pressures than solenoid valves

69 products

Pipe Groovers

Form grooves in pipe ends for on-site installation and maintenance

Liquid-Dispensing Metering Valves

Program to dispense a specific amount of liquid every time and shut off when set amount is reached