Seals for Gasoline | McMaster-Carr

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156 Products

How to Identify and Measure Fittings

Pipe size is an industry designation, not the actual size. View information about how to measure threaded and unthreaded pipe and pipe fittings.

About Sealant Flexibility

Designed to withstand extreme environments, these fluoroelastomer sealants have excellent resistance to sulfuric acid, hydrochloric acid, nitric acid, gasoline, and oil. Thinner than non-sagging sealants, these flow easily into cracks and have a smooth finish.

Elongation and joint expansion/compression tolerance indicate flexibility—the higher the values are, the more joint movement sealants can sustain. These sealants are best suited to joints between similar materials that aren't exposed to wide temperature fluctuation. For high-wear applications, choose a harder sealant for the most abrasion resistance.

Sealants that cannot be sold to the regions listed exceed local regulatory limits on VOCs (volatile organic compounds).

Container
Size, fl. oz.	Type	Begins to Harden	Reaches Full Strength	Elongation	Joint Compression/ Expansion Tolerance	Tensile Strength, psi	Hardness	Temp. Range, °F	Color	For Joining	Cannot Be Sold To		Each
Viton® Fluoroelastomer
16	Can	2 min.	24 hrs.	150%	Not Rated	1,500	Hard (Durometer 75A)	-20° to 450°	Black	Metal, Masonry	CA, CO, CT, DC, DE, IL, IN, MA, MD, ME, MI, NH, NJ, Northern VA, NY, OH, PA, RI, UT	0000000	0000000
32	Can	2 min.	24 hrs.	150%	Not Rated	1,500	Hard (Durometer 75A)	-20° to 450°	Black	Metal, Masonry	CT, DC, DE, Los Angeles County, CA, MA, MD, ME, NJ, Northern VA, NY, Orange County, CA, PA, RI, Riverside County, CA, San Bernardino County, CA, UT, VT	0000000	000000
1	Can	2 min.	24 hrs.	150%	Not Rated	1,500	Hard (Durometer 75A)	-20° to 450°	Black	Metal, Masonry	CT, DC, DE, Los Angeles Area, MA, MD, ME, NJ, Northern VA, NY, PA, RI, UT, VT	0000000	000000

Oil- and Fuel-Resistant Sealants

These non-sagging sealants will not drip while hardening on vertical and overhead surfaces. They’re thicker than most non-sagging sealants, so they can be used in vertical joints up to 1/2" wide. They cannot be sold to California because they exceed local regulatory limits on VOCs (volatile organic compounds).

Elongation indicates flexibility—the higher the values are, the more sealants can stretch. These sealants are best suited to joints between similar materials that aren't exposed to wide temperature fluctuation.

Container
Size, fl. oz.	Type	Begins to Harden	Reaches Full Strength	Elongation	Tensile Strength	Hardness	Temp. Range, °F	For Joining	Color	Cannot Be Sold To		Each
Buna-N
10.3	Cartridge	10 min.	24 hrs.	100%	Not Rated	Soft (Durometer 20A)	-30° to 300°	Metal, Plastic, Rubber, Composites, Glass, Masonry, Wood	Aluminum	CA	0000000	000000

Non-Hardening Thread Sealants with PTFE

PTFE provides a slippery surface that keeps threads from binding. These sealants never fully harden, remaining pliable enough to self-heal and stop leaks before they start, so they’re often used in high-vibration applications that could cause standard thread sealants to fail. Since they have low locking strength, these sealants can be adjusted without tools.

To adhere to safety standards for drinking water systems, use sealants that meet NSF/ANSI 61.

VOC (volatile organic compounds) regulations restrict sales of sealants that cannot be sold to the listed jurisdictions/areas.

Container		Max. Pressure, psi
Size, fl. oz.	Type	For Fluids	For Gases	Temp. Range, °F	For Max. Thread Dia.	Consistency	Specifications Met	Color	Cannot Be Sold To		Each
Low Locking Strength
Slic-Tite Sealants
4	Brush-Top Can	10,000	3,000	-50° to 500°	2"	Paste	NSF/ANSI 61, UL Listed	White	__	0000000	000000
8	Brush-Top Can	10,000	3,000	-50° to 500°	2"	Paste	NSF/ANSI 61, UL Listed	White	__	0000000	00000
16	Brush-Top Can	10,000	3,000	-50° to 500°	2"	Paste	NSF/ANSI 61, UL Listed	White	__	0000000	00000
32	Brush-Top Can	10,000	3,000	-50° to 500°	2"	Paste	NSF/ANSI 61, UL Listed	White	__	0000000	00000
Sealants
0.125	Tube	10,000	3,000	-100° to 600°	2"	Paste	CSA Certified, CSA-US Certified, UL Classified	Blue	CO, CT, DC, DE, IL, IN, MA, MD, ME, MI, NH, NJ, Northern VA, NY, OH, PA, RI, UT	00000000	0000
16	Brush-Top Can	10,000	3,000	-100° to 600°	2"	Paste	CSA Certified, CSA-US Certified, UL Classified	Blue	CO, CT, DC, DE, IL, IN, MA, MD, ME, MI, NH, NJ, Northern VA, NY, OH, PA, RI, UT	00000000	00000
32	Brush-Top Can	10,000	3,000	-100° to 600°	2"	Paste	CSA Certified, CSA-US Certified, UL Classified	Blue	__	00000000	00000

Metal Cam-and-Groove Hose Couplings for Chemicals and Petroleum

Made of metal, these couplings have better durability than plastic cam-and-groove couplings. A complete coupling consists of a plug and a socket (both sold separately) that allow you to quickly connect and disconnect medium-to large-diameter hose lines. To connect, insert the plug into the socket and press the levers down. The levers fit snugly into the groove on the plug’s body and force the plug against the gasket to form a tight seal. To disconnect, lift both levers and pull out the plug. Couplings are compatible with Andrews, Dixon, Ever-Tite, and PT cam-and-groove couplings.

Sockets with locking levers prevent accidental disconnection. The locks engage automatically when the coupling is connected. Press the locks simultaneously to disengage.

Aluminum plugs and sockets are lighter in weight than 316 stainless steel plugs and sockets. They have good corrosion resistance. 316 stainless steel plugs and sockets have excellent corrosion resistance.

Note: To ensure a correct fit, make sure that the plug and socket have the same coupling size.

Warning: Relieve all pressure before disconnecting the couplings. Do not use cam-and-groove couplings with compressed air or gas.

For technical drawings and 3-D models, click on a part number.

Caps with Locking Levers

For Use With: Citric Acid, Diesel Fuel, Gasoline, Hydraulic Fluid
Maximum Pressure: See table
Temperature Range: -65° to 250° F
Compatible With: Andrews Cam-and-Groove, Dixon Cam-and-Groove, Ever-Tite Cam-and-Groove, PT Coupling Cam-and-Groove
Specifications Met: Fed. Spec. A-A-59326

Sockets							Replacement Gaskets			Brass Replacement Levers		300 Series Stainless Steel Replacement Levers
Coupling Size	Socket ID	No. of Levers	Pull Ring Material	Max. Pressure		Each	Pkg. Qty.		Pkg.		Each		Each
Aluminum with Brass Levers
1	1 7/16"	2	Zinc-Plated Steel	250 psi @ 72° F	000000000	000000	10	0000000	00000	000000000	000000	000000	00
1 1/4	1 13/16"	2	Zinc-Plated Steel	250 psi @ 72° F	000000000	00000	10	0000000	0000	000000000	00000	000000	00
1 1/2	2 1/8"	2	Zinc-Plated Steel	250 psi @ 72° F	000000000	00000	10	0000000	0000	000000000	00000	000000	00
2	2 1/2"	2	Zinc-Plated Steel	250 psi @ 72° F	000000000	00000	10	0000000	0000	000000000	00000	000000	00
2 1/2	3"	2	Zinc-Plated Steel	200 psi @ 72° F	000000000	00000	10	0000000	0000	000000000	00000	000000	00
3	3 5/8"	2	Zinc-Plated Steel	200 psi @ 72° F	000000000	00000	10	0000000	00000	000000000	00000	000000	00
4	4 3/4"	2	Zinc-Plated Steel	150 psi @ 72° F	000000000	00000	10	0000000	00000	000000000	00000	000000	00
5	5 3/4"	2	Zinc-Plated Steel	75 psi @ 72° F	000000000	000000	5	0000000	00000	000000000	00000	000000	00
Aluminum with 316 Stainless Steel Levers
1	1 7/16"	2	Zinc-Plated Steel	250 psi @ 72° F	0000000	00000	10	0000000	0000	000000	00	00000000	000000
1 1/4	1 13/16"	2	Zinc-Plated Steel	250 psi @ 72° F	0000000	00000	10	0000000	0000	000000	00	00000000	00000
1 1/2	2 1/8"	2	Zinc-Plated Steel	250 psi @ 72° F	0000000	00000	10	0000000	0000	000000	00	00000000	00000
2	2 1/2"	2	Zinc-Plated Steel	250 psi @ 72° F	0000000	00000	10	0000000	0000	000000	00	00000000	00000
2 1/2	3"	2	Zinc-Plated Steel	200 psi @ 72° F	0000000	00000	10	0000000	0000	000000	00	00000000	00000
3	3 5/8"	2	Zinc-Plated Steel	200 psi @ 72° F	0000000	00000	10	0000000	00000	000000	00	000000000	00000
4	4 3/4"	2	Zinc-Plated Steel	150 psi @ 72° F	0000000	00000	10	0000000	00000	000000	00	000000000	00000
5	5 3/4"	2	Zinc-Plated Steel	75 psi @ 72° F	0000000	000000	5	0000000	00000	000000	00	000000000	00000
316 Stainless Steel with 316 Stainless Steel Levers
1	1 7/16"	2	304 Stainless Steel	250 psi @ 72° F	000000000	00000	10	0000000	0000	000000	00	00000000	00000
1 1/4	1 13/16"	2	304 Stainless Steel	250 psi @ 72° F	000000000	00000	10	0000000	0000	000000	00	00000000	00000
1 1/2	2 1/8"	2	304 Stainless Steel	250 psi @ 72° F	000000000	00000	10	0000000	0000	000000	00	00000000	00000
2	2 1/2"	2	304 Stainless Steel	250 psi @ 72° F	000000000	000000	10	0000000	0000	000000	00	00000000	00000
2 1/2	3"	2	304 Stainless Steel	200 psi @ 72° F	000000000	000000	10	0000000	0000	000000	00	00000000	00000
3	3 5/8"	2	304 Stainless Steel	200 psi @ 72° F	000000000	000000	10	0000000	00000	000000	00	000000000	00000
4	4 3/4"	2	304 Stainless Steel	150 psi @ 72° F	000000000	000000	10	0000000	00000	000000	00	000000000	00000
5	5 3/4"	2	304 Stainless Steel	75 psi @ 72° F	000000000	000000	5	0000000	00000	000000	00	000000000	00000

Caps

For Use With: Citric Acid, Diesel Fuel, Gasoline, Hydraulic Fluid
Maximum Pressure: See table
Temperature Range: -65° to 250° F
Compatible With: Andrews Cam-and-Groove, Dixon Cam-and-Groove, Ever-Tite Cam-and-Groove, PT Coupling Cam-and-Groove
Specifications Met: 6 Coupling Size and smaller: Fed. Spec. A-A-59326

Sockets							Replacement Gaskets			Replacement Levers
Coupling Size	Socket ID	No. of Levers	Pull Ring Material	Max. Pressure		Each	Pkg. Qty.		Pkg.		Each
Aluminum with Brass Levers
1/2	15/16"	2	Zinc-Plated Steel	250 psi @ 72° F	000000000	000000	10	0000000	00000	000000	00
3/4	1 1/4"	2	Zinc-Plated Steel	250 psi @ 72° F	00000000	00000	10	0000000	0000	000000000	00000
1	1 7/16"	2	Zinc-Plated Steel	250 psi @ 72° F	00000000	00000	10	0000000	0000	000000000	0000
1 1/4	1 13/16"	2	Zinc-Plated Steel	250 psi @ 72° F	00000000	00000	10	0000000	0000	000000000	0000
1 1/2	2 1/8"	2	Zinc-Plated Steel	250 psi @ 72° F	00000000	00000	10	0000000	0000	000000000	0000
2	2 1/2"	2	Zinc-Plated Steel	250 psi @ 72° F	00000000	00000	10	0000000	0000	000000000	0000
2 1/2	3"	2	Zinc-Plated Steel	200 psi @ 72° F	00000000	00000	10	0000000	0000	000000000	0000
3	3 5/8"	2	Zinc-Plated Steel	200 psi @ 72° F	00000000	00000	10	0000000	00000	000000000	0000
4	4 3/4"	2	Zinc-Plated Steel	150 psi @ 72° F	00000000	00000	10	0000000	00000	000000000	0000
5	5 3/4"	2	Zinc-Plated Steel	75 psi @ 72° F	000000000	00000	5	0000000	00000	000000	00
6	6 15/16"	2	Zinc-Plated Steel	75 psi @ 72° F	00000000	000000	5	0000000	00000	000000000	00000
8	8 7/8"	4	Zinc-Plated Steel	50 psi @ 72° F	000000000	000000	__	000000	00	000000000	00000
Aluminum with 316 Stainless Steel Levers
1/2	15/16"	2	Zinc-Plated Steel	250 psi @ 72° F	0000000	00000	10	0000000	0000	000000000	00000
3/4	1 1/4"	2	Zinc-Plated Steel	250 psi @ 72° F	0000000	00000	10	0000000	0000	000000000	00000
1	1 7/16"	2	Zinc-Plated Steel	250 psi @ 72° F	0000000	00000	10	0000000	0000	000000000	00000
1 1/4	1 13/16"	2	Zinc-Plated Steel	250 psi @ 72° F	0000000	00000	10	0000000	0000	000000000	00000
1 1/2	2 1/8"	2	Zinc-Plated Steel	250 psi @ 72° F	0000000	00000	10	0000000	0000	000000000	00000
2	2 1/2"	2	Zinc-Plated Steel	250 psi @ 72° F	0000000	00000	10	0000000	0000	000000000	00000
2 1/2	3"	2	Zinc-Plated Steel	200 psi @ 72° F	0000000	00000	10	0000000	0000	000000000	00000
3	3 5/8"	2	Zinc-Plated Steel	200 psi @ 72° F	0000000	00000	10	0000000	00000	000000000	00000
4	4 3/4"	2	Zinc-Plated Steel	150 psi @ 72° F	0000000	00000	10	0000000	00000	000000000	00000
5	5 3/4"	2	Zinc-Plated Steel	75 psi @ 72° F	0000000	00000	5	0000000	00000	000000000	00000
6	6 15/16"	2	Zinc-Plated Steel	75 psi @ 72° F	0000000	000000	5	0000000	00000	000000000	00000
316 Stainless Steel with 316 Stainless Steel Levers
1/2	15/16"	2	304 Stainless Steel	250 psi @ 72° F	000000000	00000	10	0000000	0000	000000000	00000
3/4	1 1/4"	2	304 Stainless Steel	250 psi @ 72° F	00000000	00000	10	0000000	0000	000000000	00000
1	1 7/16"	2	304 Stainless Steel	250 psi @ 72° F	00000000	00000	10	0000000	0000	000000000	00000
1 1/4	1 13/16"	2	304 Stainless Steel	250 psi @ 72° F	00000000	00000	10	0000000	0000	000000000	00000
1 1/2	2 1/8"	2	304 Stainless Steel	250 psi @ 72° F	00000000	00000	10	0000000	0000	000000000	00000
2	2 1/2"	2	304 Stainless Steel	250 psi @ 72° F	00000000	00000	10	0000000	0000	000000000	00000
2 1/2	3"	2	304 Stainless Steel	200 psi @ 72° F	00000000	000000	10	0000000	0000	000000000	00000
3	3 5/8"	2	304 Stainless Steel	200 psi @ 72° F	00000000	000000	10	0000000	00000	000000000	00000
4	4 3/4"	2	304 Stainless Steel	150 psi @ 72° F	00000000	000000	10	0000000	00000	000000000	00000
6	6 15/16"	2	304 Stainless Steel	75 psi @ 72° F	00000000	000000	5	0000000	00000	000000000	00000

Plastic Cam-and-Groove Hose Couplings for Chemicals and Petroleum

Made of plastic, these couplings are lighter in weight than metal cam-and-groove hose couplings, yet have the chemical resistance to withstand gasoline and other harsh substances. A complete coupling consists of a plug and a socket (both sold separately) that allow you to quickly connect and disconnect medium-to large-diameter hose lines. To connect, insert the plug into the socket and press the levers down. The levers fit snugly into the groove on the plug’s body and force the plug against the gasket to form a tight seal. To disconnect, lift both levers and pull out the plug.

Sockets with locking levers prevent accidental disconnection. The locking pins engage automatically when the coupling is connected. Press the locking pins simultaneously to disengage.

Nylon plugs and sockets have better strength than PVDF plugs and sockets. They have good corrosion and chemical resistance to handle gasoline and fuel applications. PVDF plugs and sockets have better corrosion and chemical resistance than nylon plugs and sockets. Use them when your application involves harsh acids and solvents.

Note: To ensure a correct fit, make sure that the plug and socket have the same coupling size.

Warning: Relieve all pressure before disconnecting the couplings. Do not use cam-and-groove couplings with compressed air or gas.

For technical drawings and 3-D models, click on a part number.

Caps with Locking Levers

For Use With:
Nylon Plastic: Diesel Fuel, Gasoline, Varnish
PVDF Plastic: Diesel Fuel, Gasoline, Nitric Acid, Phosphoric Acid
Maximum Pressure: See table
Temperature Range:
Nylon Plastic: -30° to 200° F
PVDF Plastic: -20° to 250° F
Specifications Met: Fed. Spec. A-A-59326

Caps
			Levers						Replacement Gaskets
Coupling Size	Socket ID	Color	No. of	Material	Pull Ring Material	Max. Pressure		Each	Pkg. Qty.		Pkg.
Nylon Plastic
1 1/2	2 1/8"	Yellow	2	304 Stainless Steel	302 Stainless Steel	100 psi @ 72° F	00000000	000000	10	0000000	000000
2	2 1/2"	Yellow	2	304 Stainless Steel	302 Stainless Steel	100 psi @ 72° F	00000000	00000	10	0000000	00000
3	3 5/8"	Yellow	2	304 Stainless Steel	302 Stainless Steel	50 psi @ 72° F	00000000	00000	10	0000000	00000
4	4 3/4"	Yellow	2	304 Stainless Steel	302 Stainless Steel	50 psi @ 72° F	00000000	00000	10	0000000	00000
PVDF Plastic
1 1/2	2 1/8"	White	2	304 Stainless Steel	__	100 psi @ 72° F	00000000	00000	10	0000000	00000
2	2 1/2"	White	2	304 Stainless Steel	__	100 psi @ 72° F	00000000	00000	10	0000000	00000
3	3 5/8"	White	2	304 Stainless Steel	__	50 psi @ 72° F	00000000	00000	10	0000000	00000

Caps

For Use With:
Nylon Plastic: Diesel Fuel, Gasoline, Varnish
PVDF Plastic: Diesel Fuel, Gasoline, Nitric Acid, Phosphoric Acid
Maximum Pressure: 125 psi @ 72° F
Temperature Range:
Nylon Plastic: -30° to 200° F
PVDF Plastic: -20° to 250° F
Specifications Met: Fed. Spec. A-A-59326

Caps
			Levers				Replacement Gaskets
Coupling Size	Socket ID	Color	No. of	Material		Each	Pkg. Qty.		Pkg.
Nylon Plastic
3/4	1 1/4"	Yellow	2	304 Stainless Steel	00000000	00000	10	0000000	00000
1	1 7/16"	Yellow	2	304 Stainless Steel	00000000	00000	10	0000000	0000
PVDF Plastic
3/4	1 1/4"	White	2	304 Stainless Steel	00000000	00000	10	0000000	0000
1	1 7/16"	White	2	304 Stainless Steel	00000000	00000	10	0000000	0000

Quick-Install Pressure Test Fittings


	NPT Female Inlet × NPT Male Outlet Adapter with Intermittent Swivel	NPT Male Inlet × NPT Female Outlet Adapter
	NPT Male Inlet × NPT Female Outlet Adapter with Intermittent Swivel	NPT Male Inlet Plug

Thread these fittings onto your testing equipment by hand for a secure connection in testing applications—no tools, tape, or sealant required. Use them with gauges and other equipment as a temporary connection. When pressure is applied, the O-ring on the outlet presses against the testing equipment, creating a tight seal.

Adapters with intermittent swivel rotate 360° until tightened for easy installation.

For technical drawings and 3-D models, click on a part number.

NPT Female Inlet × NPT Male Outlet Adapter with Intermittent Swivel
Pipe Size	Max. Pressure, psi	Temperature Range, °F	Gasket Material	For Use With		Each
416 Stainless Steel
1/8 × 1/8	5,000	-65° to 212°	Polyurethane Rubber	Air, Argon, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Hydraulic Fluid (Petroleum Based), Natural Gas, Nitrogen, Oxygen, Water	0000000	0000000
1/4 × 1/4	5,000	-65° to 212°	Polyurethane Rubber	Air, Argon, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Hydraulic Fluid (Petroleum Based), Natural Gas, Nitrogen, Oxygen, Water	0000000	000000
3/8 × 3/8	4,000	-65° to 212°	Polyurethane Rubber	Air, Argon, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Hydraulic Fluid (Petroleum Based), Natural Gas, Nitrogen, Oxygen, Water	0000000	000000
1/2 × 1/2	4,000	-65° to 212°	Polyurethane Rubber	Air, Argon, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Hydraulic Fluid (Petroleum Based), Natural Gas, Nitrogen, Oxygen, Water	0000000	000000
3/4 × 3/4	4,000	-65° to 212°	Polyurethane Rubber	Air, Argon, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Hydraulic Fluid (Petroleum Based), Natural Gas, Nitrogen, Oxygen, Water	0000000	000000
1 × 1	4,000	-65° to 212°	Polyurethane Rubber	Air, Argon, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Hydraulic Fluid (Petroleum Based), Natural Gas, Nitrogen, Oxygen, Water	0000000	000000
NPT Male Inlet × NPT Female Outlet Adapter
416 Stainless Steel
1/8 × 1/8	5,000	-65° to 212°	Polyurethane Rubber	Air, Argon, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Hydraulic Fluid (Petroleum Based), Natural Gas, Nitrogen, Oxygen, Water	0000000	000000
1/4 × 1/4	5,000	-65° to 212°	Polyurethane Rubber	Air, Argon, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Hydraulic Fluid (Petroleum Based), Natural Gas, Nitrogen, Oxygen, Water	0000000	000000
3/8 × 3/8	4,000	-65° to 212°	Polyurethane Rubber	Air, Argon, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Hydraulic Fluid (Petroleum Based), Natural Gas, Nitrogen, Oxygen, Water	0000000	000000
1/2 × 1/2	4,000	-65° to 212°	Polyurethane Rubber	Air, Argon, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Hydraulic Fluid (Petroleum Based), Natural Gas, Nitrogen, Oxygen, Water	0000000	000000
3/4 × 3/4	4,000	-65° to 212°	Polyurethane Rubber	Air, Argon, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Hydraulic Fluid (Petroleum Based), Natural Gas, Nitrogen, Oxygen, Water	0000000	000000
1 × 1	4,000	-65° to 212°	Polyurethane Rubber	Air, Argon, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Hydraulic Fluid (Petroleum Based), Natural Gas, Nitrogen, Oxygen, Water	0000000	000000
NPT Male Inlet × NPT Female Outlet Adapter with Intermittent Swivel
416 Stainless Steel
1/8 × 1/8	5,000	-65° to 212°	Polyurethane Rubber	Air, Argon, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Hydraulic Fluid (Petroleum Based), Natural Gas, Nitrogen, Oxygen, Water	0000000	000000
1/4 × 1/4	5,000	-65° to 212°	Polyurethane Rubber	Air, Argon, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Hydraulic Fluid (Petroleum Based), Natural Gas, Nitrogen, Oxygen, Water	0000000	000000
3/8 × 3/8	4,000	-65° to 212°	Polyurethane Rubber	Air, Argon, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Hydraulic Fluid (Petroleum Based), Natural Gas, Nitrogen, Oxygen, Water	0000000	000000
1/2 × 1/2	4,000	-65° to 212°	Polyurethane Rubber	Air, Argon, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Hydraulic Fluid (Petroleum Based), Natural Gas, Nitrogen, Oxygen, Water	0000000	000000
3/4 × 3/4	4,000	-65° to 212°	Polyurethane Rubber	Air, Argon, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Hydraulic Fluid (Petroleum Based), Natural Gas, Nitrogen, Oxygen, Water	0000000	000000
1 × 1	4,000	-65° to 212°	Polyurethane Rubber	Air, Argon, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Hydraulic Fluid (Petroleum Based), Natural Gas, Nitrogen, Oxygen, Water	0000000	000000
NPT Male Inlet Plug
416 Stainless Steel
1/8	5,000	-65° to 212°	Polyurethane Rubber	Air, Argon, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Hydraulic Fluid (Petroleum Based), Natural Gas, Nitrogen, Oxygen, Water	0000000	000000
1/4	5,000	-65° to 212°	Polyurethane Rubber	Air, Argon, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Hydraulic Fluid (Petroleum Based), Natural Gas, Nitrogen, Oxygen, Water	0000000	000000
3/8	4,000	-65° to 212°	Polyurethane Rubber	Air, Argon, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Hydraulic Fluid (Petroleum Based), Natural Gas, Nitrogen, Oxygen, Water	0000000	000000
1/2	4,000	-65° to 212°	Polyurethane Rubber	Air, Argon, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Hydraulic Fluid (Petroleum Based), Natural Gas, Nitrogen, Oxygen, Water	0000000	000000
3/4	4,000	-65° to 212°	Polyurethane Rubber	Air, Argon, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Hydraulic Fluid (Petroleum Based), Natural Gas, Nitrogen, Oxygen, Water	0000000	000000
1	4,000	-65° to 212°	Polyurethane Rubber	Air, Argon, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Hydraulic Fluid (Petroleum Based), Natural Gas, Nitrogen, Oxygen, Water	0000000	000000

Pressure Test Fittings

Steel

Check pressure without permanently installing a gauge. Fittings have an NPT male connection for installation in your pipe or tank. Wrench-tighten the fitting onto your equipment, then insert the gauge adapter (sold separately) into the fitting. Connect gauge adapters to gauges with 1/4 pipe size NPT male threads.

Plugs									Gauge Adapters
Pipe Size	Thread Size	Thread Pitch, mm	Max. Pressure, psi	Gasket Material	Ht.	For Use With		Each		Each
NPT Male × Metric Male
Steel
1/8	M16	2	5,800	Fluoroelastomer Rubber	1 1/2"	Air, Argon, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Hydraulic Fluid (Petroleum Based), Natural Gas, Nitrogen, Water	0000000	000000	0000000	000000
1/4	M16	2	5,800	Fluoroelastomer Rubber	1 1/2"	Air, Argon, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Hydraulic Fluid (Petroleum Based), Natural Gas, Nitrogen, Water	0000000	00000	0000000	00000

Gauge Guards

316 Stainless Steel Guard

316 Stainless Steel Guard With Drain Port

Also known as isolators or diaphragm seals, these protect gauges from corrosive process media. Fill guards with ISO Grade 32 hydraulic oil (not included) before use.

316 stainless steel guards provide excellent corrosion and chemical resistance and can handle higher temperatures and pressures than plastic guards.

Guards with drain port allow you to remove process media.

For technical drawings and 3-D models, click on a part number.

Pipe Connections
Inlet	Outlet	Gasket Material	For Use With	Min. Pressure, psi	Max. Pressure	Max. Temp., °F	Ht.		Each
316 Stainless Steel Body
1/4 NPT Female	1/4 NPT Female	316 Stainless Steel	Acetylene, Air, Ammonia, Argon, Bleach, Boric Acid, Carbon Dioxide, Deionized Water, Diesel Fuel, Ethanol, Ethyl Alcohol, Gasoline, Hydraulic Fluid, Hydrogen, Liquid Nitrogen, Natural Gas, Nitrogen, Oxygen, Refrigerant, Salt Water, Steam, Water	60	2,500 psi @ 72° F	300°	1 1/2"	0000000	0000000
1/2 NPT Female	1/4 NPT Female	316 Stainless Steel	Acetylene, Air, Ammonia, Argon, Bleach, Boric Acid, Carbon Dioxide, Deionized Water, Diesel Fuel, Ethanol, Ethyl Alcohol, Gasoline, Hydraulic Fluid, Hydrogen, Liquid Nitrogen, Natural Gas, Nitrogen, Oxygen, Refrigerant, Salt Water, Steam, Water	60	2,500 psi @ 72° F	300°	1 1/2"	0000000	000000
1/2 NPT Female	1/2 NPT Female	316 Stainless Steel	Acetylene, Air, Ammonia, Argon, Bleach, Boric Acid, Carbon Dioxide, Deionized Water, Diesel Fuel, Ethanol, Ethyl Alcohol, Gasoline, Hydraulic Fluid, Hydrogen, Liquid Nitrogen, Natural Gas, Nitrogen, Oxygen, Refrigerant, Salt Water, Steam, Water	60	2,500 psi @ 72° F	300°	1 1/2"	0000000	000000
316 Stainless Steel Body with 1/4 NPT Female Drain Port
1/4 NPT Female	1/4 NPT Female	316 Stainless Steel	Acetylene, Air, Ammonia, Argon, Bleach, Boric Acid, Carbon Dioxide, Deionized Water, Diesel Fuel, Ethanol, Ethyl Alcohol, Gasoline, Hydraulic Fluid, Hydrogen, Liquid Nitrogen, Natural Gas, Nitrogen, Oxygen, Refrigerant, Salt Water, Steam, Water	60	2,500 psi @ 72° F	300°	2"	0000000	000000
1/2 NPT Female	1/4 NPT Female	316 Stainless Steel	Acetylene, Air, Ammonia, Argon, Bleach, Boric Acid, Carbon Dioxide, Deionized Water, Diesel Fuel, Ethanol, Ethyl Alcohol, Gasoline, Hydraulic Fluid, Hydrogen, Liquid Nitrogen, Natural Gas, Nitrogen, Oxygen, Refrigerant, Salt Water, Steam, Water	60	2,500 psi @ 72° F	300°	2"	0000000	000000
1/2 NPT Female	1/2 NPT Female	316 Stainless Steel	Acetylene, Air, Ammonia, Argon, Bleach, Boric Acid, Carbon Dioxide, Deionized Water, Diesel Fuel, Ethanol, Ethyl Alcohol, Gasoline, Hydraulic Fluid, Hydrogen, Liquid Nitrogen, Natural Gas, Nitrogen, Oxygen, Refrigerant, Salt Water, Steam, Water	60	2,500 psi @ 72° F	300°	2"	0000000	000000

Sanitary Gauge Guards

Keeping corrosive substances from touching pressure gauges used in food-processing and pharmaceutical plants, these guards have a sanitary design. Made of 316 stainless steel, they won’t rust from frequent washdowns with harsh cleaners and sanitizers. They have continuously-welded seams and polished surfaces, so there aren’t any pits for bacteria to grow in. Removing them for cleaning and maintenance is easy thanks to their quick-clamp connection, which is sometimes called a tri-clamp.

Also known as isolators and diaphragm seals, these guards have a 316 stainless steel gasket to shield the pressure gauges from corrosion. Before use, fill the guards with fluid such as glycerin or silicone that’s suitable for food contact.

For technical drawings and 3-D models, click on a part number.

	Outlet Quick-Clamp Tube Connection
Inlet Pipe Connection	For Tube OD	Flange OD	Gasket Material	For Use With	Minimum Pressure, psi	Maximum Pressure	Maximum Temperature	Height	Interior Smoothness, Ra		Each
316 Stainless Steel Body
1/4 NPT Female	1 1/2"	1.984"	316 Stainless Steel	Acetylene, Air, Ammonia, Beverage, Boric Acid, Carbon Dioxide, Diesel Fuel, Ethanol, Food, Gasoline, Hydraulic Fluid, Hydrogen, Oxygen, Pharmaceuticals, Wastewater, Water	30	Not Rated	Not Rated	1 3/8"	32	0000000	0000000
1/4 NPT Female	2"	2.516"	316 Stainless Steel	Acetylene, Air, Ammonia, Beverage, Boric Acid, Carbon Dioxide, Diesel Fuel, Ethanol, Food, Gasoline, Hydraulic Fluid, Hydrogen, Oxygen, Pharmaceuticals, Wastewater, Water	30	Not Rated	Not Rated	1 1/8"	32	0000000	000000
1/2 NPT Female	1 1/2"	1.984"	316 Stainless Steel	Acetylene, Air, Ammonia, Beverage, Boric Acid, Carbon Dioxide, Diesel Fuel, Ethanol, Food, Gasoline, Hydraulic Fluid, Hydrogen, Oxygen, Pharmaceuticals, Wastewater, Water	30	Not Rated	Not Rated	1 3/8"	32	0000000	000000

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