Reducers for Glass | McMaster-Carr

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	System of Measurement System of Measurement

Inch

	For Tube OD For Tube OD

2 1/8"

2 1/2"

3 1/2"

	Type Type

	Reducer

	Shape Shape

	Straight

	Material Material

Steel

	Connection Type Connection Type

	Tube

	For Use With For Use With	Show

Glass

	For Use With For Use With	Hide

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

Argon/Carbon Dioxide
Blend

Grinders for Bits and Burs

Hand-Held Power Drills

Liquid Carbon Dioxide

	Connection Style Connection Style

	Clamp On

	For Tube Material For Tube Material

Steel

	Clamp-On Connection Type Clamp-On Connection Type

	Compression

	Wall Thickness Wall Thickness

0.065"

	Length Length

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

DFARS Specialty Metals
COTS-Exempt

	Maximum Pressure Maximum Pressure

15 psi @ 72° F

	Maximum Temperature Maximum Temperature

Less than 200° F

	Minimum Temperature Minimum Temperature

-49° to 0° F

	Maximum Vacuum Maximum Vacuum

15 in. of Hg @ 72° F

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

RoHS Compliant

	Vacuum Rating Vacuum Rating

Standard

	Gender Gender

Male

	Finish Finish

Galvanized

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14 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.

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 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

Vacuum Fittings for Steel Tubing