Couplings for Plastic Pellets

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	System of Measurement System of Measurement

Inch

	For Tube OD For Tube OD

	Type Type


Adapter	Reducer

Clamp

	Material Material

Stainless Steel

Steel

Zinc

	Clamp-On Connection Type Clamp-On Connection Type

	Compression

	Length Length

	Shape Shape

	Straight

	For Use With For Use With	Show

Plastic Pellets

	For Use With For Use With	Hide

Warning: Products have one, but not necessarily all, of the selected characteristics.

Dichlorotetrafluoroethane

Hydrochloric Acid (30%)

Silicon Tetrafluoride

Sludge

Soap Solutions

Sodium Carbonate

Sodium Carbonate
(20% in Water)

Tungsten Hexafluoride

	Connection Style Connection Style

Threaded

Clamp On

	Connection Type Connection Type


Pipe	Tube

	Gasket Material Gasket Material

Gum Rubber

Neoprene Rubber

Silicone Rubber

	Clamp Type Clamp Type


Bolt	T-Handle

	Gender Gender

Female

Male

	Number of Bolts Number of Bolts

	Vacuum Rating Vacuum Rating

Standard

	For Tube Material For Tube Material

Steel

	Maximum Pressure Maximum Pressure

15 psi @ 72° F

	Maximum Vacuum Maximum Vacuum

15 in. of Hg @ 72° F

	Maximum Temperature Maximum Temperature

100° to 249° F

500° to 999° F

	Minimum Temperature Minimum Temperature

-249° to -100° F

-99° to -50° F

-49° to 0° F

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	Sleeve Material Sleeve Material

Stainless Steel

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

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73 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.

Use these clamps to connect vacuum tube fittings. Insert two fittings into a clamp and tighten to form a secure seal.

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

Bolt Clamps

For Use With: Air, Glass, Plastic Pellets, Resins, Wood Chips
Temperature Range: Neoprene Rubber Gaskets: -50° to 180° F
Silicone Rubber Gaskets: -100° to 500° F
Tubing: Use with steel

Bolt clamps have a stainless steel strip that provides an escape route for electrostatic buildup when used in a fully-grounded system. They have fair corrosion resistance.

				Neoprene Rubber Gaskets		Silicone Rubber Gaskets
For Tube OD	Material	Max. Pressure	Max. Vacuum		Each		Each
1 1/2"	Galvanized Steel	15 psi @ 72° F	15 in. of Hg @ 72° F	0000000	000000	0000000	000000
1 3/4"	Galvanized Steel	15 psi @ 72° F	15 in. of Hg @ 72° F	0000000	00000	0000000	00000
2"	Galvanized Steel	15 psi @ 72° F	15 in. of Hg @ 72° F	0000000	00000	0000000	00000
2 1/8"	Galvanized Steel	15 psi @ 72° F	15 in. of Hg @ 72° F	0000000	00000	0000000	00000
2 1/4"	Galvanized Steel	15 psi @ 72° F	15 in. of Hg @ 72° F	0000000	00000	0000000	00000
2 1/2"	Galvanized Steel	15 psi @ 72° F	15 in. of Hg @ 72° F	0000000	00000	0000000	00000
3"	Galvanized Steel	15 psi @ 72° F	15 in. of Hg @ 72° F	0000000	00000	0000000	00000
6"	Galvanized Steel	15 psi @ 72° F	15 in. of Hg @ 72° F	0000000	00000	0000000	00000
8"	Galvanized Steel	15 psi @ 72° F	15 in. of Hg @ 72° F	0000000	00000	0000000	000000
10"	Galvanized Steel	15 psi @ 72° F	15 in. of Hg @ 72° F	0000000	00000	0000000	000000

T-Handle Clamps

For Use With: Air, Plastic Pellets
Tubing: Use with galvanized steel, steel

T-handle clamps allow you to quickly disassemble and reassemble your line without tools. They offer very good corrosion resistance.

For Tube OD	Material	Gasket Material	Max. Pressure	Max. Vacuum		Each
1 1/2"	304 Stainless Steel	Gum Rubber	15 psi @ 72° F	15 in. of Hg @ 72° F	0000000	000000
2"	304 Stainless Steel	Gum Rubber	15 psi @ 72° F	15 in. of Hg @ 72° F	0000000	00000
2 1/4"	304 Stainless Steel	Gum Rubber	15 psi @ 72° F	15 in. of Hg @ 72° F	0000000	00000
2 1/2"	304 Stainless Steel	Gum Rubber	15 psi @ 72° F	15 in. of Hg @ 72° F	0000000	00000
3"	304 Stainless Steel	Gum Rubber	15 psi @ 72° F	15 in. of Hg @ 72° F	0000000	00000
3 1/4"	304 Stainless Steel	Gum Rubber	15 psi @ 72° F	15 in. of Hg @ 72° F	0000000	00000
5"	304 Stainless Steel	Gum Rubber	15 psi @ 72° F	15 in. of Hg @ 72° F	0000000	00000
6"	304 Stainless Steel	Gum Rubber	15 psi @ 72° F	15 in. of Hg @ 72° F	0000000	00000
8"	304 Stainless Steel	Gum Rubber	15 psi @ 72° F	15 in. of Hg @ 72° F	0000000	000000

Vacuum Fittings for Steel Tubing

For Use With: Air, Glass, Plastic Pellets, Resins, Wood Chips
Temperature Range: -10° to 180° F
Tubing: Galvanized Steel: Use with steel, galvanized steel
Steel: Use with steel

Use these fittings to create an air vacuum system without the hassle of brazing and welding. Insert two fittings into a clamp (sold separately) and tighten to form a secure seal.

Galvanized steel fittings have fair corrosion resistance. Fittings without a finish should only be used in noncorrosive environments.

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

Straight Adapters, Tube × Male Threaded Pipe

				Galvanized Steel		Steel
For Tube OD	Pipe Size	Max. Pressure	Max. Vacuum		Each		Each
NPT Threads
2 1/8"	2	15 psi @ 72° F	15 in. of Hg @ 72° F	00000000	000000	0000000	000000
2 1/2"	2 1/2	15 psi @ 72° F	15 in. of Hg @ 72° F	00000000	00000	0000000	00000
3"	3	15 psi @ 72° F	15 in. of Hg @ 72° F	00000000	00000	0000000	00000
3 1/2"	3 1/2	15 psi @ 72° F	15 in. of Hg @ 72° F	00000000	00000	0000000	00000
4"	4	15 psi @ 72° F	15 in. of Hg @ 72° F	00000000	00000	0000000	00000
5"	5	15 psi @ 72° F	15 in. of Hg @ 72° F	00000000	000000	0000000	00000
6"	6	15 psi @ 72° F	15 in. of Hg @ 72° F	00000000	000000	0000000	000000

Straight Adapters, Tube × Female Threaded Pipe

				Galvanized Steel		Steel
For Tube OD	Pipe Size	Max. Pressure	Max. Vacuum		Each		Each
NPT Threads
2 1/8"	2	15 psi @ 72° F	15 in. of Hg @ 72° F	00000000	000000	0000000	000000
2 1/2"	2 1/2	15 psi @ 72° F	15 in. of Hg @ 72° F	00000000	00000	0000000	00000
3"	3	15 psi @ 72° F	15 in. of Hg @ 72° F	00000000	00000	0000000	00000
3 1/2"	3 1/2	15 psi @ 72° F	15 in. of Hg @ 72° F	00000000	000000	0000000	000000
4"	4	15 psi @ 72° F	15 in. of Hg @ 72° F	00000000	000000	0000000	00000
5"	5	15 psi @ 72° F	15 in. of Hg @ 72° F	00000000	000000	0000000	000000
6"	6	15 psi @ 72° F	15 in. of Hg @ 72° F	00000000	000000	0000000	000000

Straight Adapters with Cap, Tube × Male Threaded Pipe

Adapters with cap allow you to insert tubing to create a temporary connection.

NPT Threads
For Tube OD	Pipe Size	Material	Max. Pressure	Max. Vacuum		Each
1 1/2"	2	Zinc	15 psi @ 72° F	15 in. of Hg @ 72° F	00000000	000000
2"	2	Zinc	15 psi @ 72° F	15 in. of Hg @ 72° F	00000000	00000

Straight Reducers, Tube

				Galvanized Steel		Steel
For Tube OD (A)	For Tube OD (B)	Max. Pressure	Max. Vacuum		Each		Each
2 1/2"	2 1/8"	15 psi @ 72° F	15 in. of Hg @ 72° F	0000000	000000	0000000	000000
3"	2 1/8"	15 psi @ 72° F	15 in. of Hg @ 72° F	0000000	00000	0000000	00000
3 1/2"	2 1/8"	15 psi @ 72° F	15 in. of Hg @ 72° F	0000000	00000	0000000	00000
3 1/2"	2 1/2"	15 psi @ 72° F	15 in. of Hg @ 72° F	00000000	00000	0000000	00000
4"	2 1/8"	15 psi @ 72° F	15 in. of Hg @ 72° F	00000000	00000	0000000	00000
5"	2 1/8"	15 psi @ 72° F	15 in. of Hg @ 72° F	00000000	000000	0000000	000000
6"	2 1/8"	15 psi @ 72° F	15 in. of Hg @ 72° F	00000000	000000	0000000	000000

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How to Identify and Measure Fittings

Clamps for Vacuum Fittings for Steel Tubing

Vacuum Fittings for Steel Tubing