2 1/2" Hose Barbs | McMaster-Carr

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92 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.

Metal Barbed Hose Fittings for Air and Water

Slide the barbed end into rubber hose and secure with the appropriate clamp or crimp-on hose ferrule.

Brass fittings are softer than other metal fittings, so they’re easier to thread together. Plain brass fittings have good corrosion resistance.Bronze fittings have better corrosion resistance and are stronger than brass and aluminum fittings.Aluminum fittings are lighter in weight than other metal fittings. They have good corrosion resistance.

Stainless steel fittings have very good corrosion resistance. 303 stainless steel fittings won’t rust when exposed to water, making them good for areas that require frequent cleanings. Fittings that swivel until tightened rotate 360° for easy installation. Fittings with a threaded end are also known as hose nipples.

Hose connectors are also known as hose menders and splicers. Use them to connect lengths of hose or to repair damaged hose.

Female NPSM (National Pipe Straight Mechanical) threads are compatible with male NPT and NPTF threads. Male NPSM threads are compatible with female NPSH threads.

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

Straight Adapters, Hose × NPT/NPTF Male Threaded Pipe

Maximum Pressure: See table
Maximum Vacuum: See table
Temperature Range: See table
Attachment Type: See table
Specifications Met: See table

Brass
For Hose ID	Pipe Size	Max. Pressure	Max. Vacuum	Temperature Range, °F	Attachment Type	Specifications Met	Pkg. Qty.		Pkg.
2 1/2"	2	250 psi @ 72° F	27 in. of Hg @ 72° F	-30° to 200°	Worm-Drive Clamp, Band-and-Buckle Clamp, Crimp-On Hose Ferrule	__	1	00000000	0000000
2 1/2"	2 1/2	250 psi @ 72° F	27 in. of Hg @ 72° F	-30° to 200°	Worm-Drive Clamp, Band-and-Buckle Clamp, Crimp-On Hose Ferrule	__	1	00000000	000000
2 1/2"	3	250 psi @ 72° F	27 in. of Hg @ 72° F	-30° to 200°	Worm-Drive Clamp, Band-and-Buckle Clamp, Crimp-On Hose Ferrule	__	1	00000000	000000
Bronze
2 1/2"	2 1/2	100 psi @ 72° F	Not Rated	32° to 212°	Worm-Drive Clamp	ASTM B584, UL 1121	1	0000000	00000
303 Stainless Steel
2 1/2"	2	250 psi @ 72° F	27 in. of Hg @ 72° F	-30° to 200°	Worm-Drive Clamp, Band-and-Buckle Clamp, Crimp-On Hose Ferrule	__	1	00000000	000000
2 1/2"	2 1/2	250 psi @ 72° F	27 in. of Hg @ 72° F	-30° to 200°	Worm-Drive Clamp, Band-and-Buckle Clamp, Crimp-On Hose Ferrule	__	1	00000000	000000
2 1/2"	3	250 psi @ 72° F	27 in. of Hg @ 72° F	-30° to 200°	Worm-Drive Clamp, Band-and-Buckle Clamp, Crimp-On Hose Ferrule	__	1	00000000	000000

Straight Adapters, Hose × NPSM Male Threaded Pipe

Maximum Pressure: See table
Temperature Range: Brass Fittings: -40° to 160° F; Aluminum Fittings: -20° to 160° F
Attachment Type: Use Band-and-Buckle Clamps
Specifications Met: Brass Fittings: SAE J476

Aluminum
For Hose ID	Pipe Size	Max. Pressure	Pkg. Qty.		Pkg.
2 1/2"	2 1/2	50 psi @ 72° F	1	0000000	000000

Straight Adapters, Hose × NPT/NPTF Female Threaded Pipe

Maximum Pressure: See table
Maximum Vacuum: See table
Temperature Range: See table
Attachment Type: See table
Specifications Met: See table

Brass
For Hose ID	Pipe Size	Max. Pressure	Max. Vacuum	Temperature Range, °F	Attachment Type	Pkg. Qty.		Pkg.
2 1/2"	2 1/2	250 psi @ 72° F	27 in. of Hg @ 72° F	-30° to 200°	Worm-Drive Clamp, Band-and-Buckle Clamp, Crimp-On Hose Ferrule	1	00000000	0000000
303 Stainless Steel
2 1/2"	2 1/2	250 psi @ 72° F	27 in. of Hg @ 72° F	-30° to 200°	Worm-Drive Clamp, Band-and-Buckle Clamp, Crimp-On Hose Ferrule	1	00000000	000000

Straight Adapters (Swivels Until Tightened), Hose × NPSM Female Threaded Pipe

NPT/NPTF, Metric, BSPP, and
UN/UNF (SAE Straight)
Male Threads with Gasket

Maximum Pressure: See table
Temperature Range: Brass Fittings: -40° to 160° F; Aluminum Fittings: -20° to 160° F
Attachment Type: See table
Specifications Met: Brass Fittings: SAE J476

Aluminum
For Hose ID	Pipe Size	Gasket Material	Max. Pressure	Attachment Type	Pkg. Qty.		Pkg.
2 1/2"	2 1/2	Neoprene Rubber	50 psi @ 72° F	Band-and-Buckle Clamp	1	0000000	000000

Straight Connectors, Hose

Maximum Pressure: See table
Maximum Vacuum: See table
Temperature Range: See table
Attachment Type: See table
Specifications Met: See table

Brass
For Hose ID	Max. Pressure	Max. Vacuum	Temperature Range, °F	Attachment Type	Pkg. Qty.		Pkg.
2 1/2"	250 psi @ 72° F	27 in. of Hg @ 72° F	-30° to 200°	Worm-Drive Clamp, Band-and-Buckle Clamp, Crimp-On Hose Ferrule	1	00000000	0000000
303 Stainless Steel
2 1/2"	250 psi @ 72° F	27 in. of Hg @ 72° F	-30° to 200°	Worm-Drive Clamp, Band-and-Buckle Clamp, Crimp-On Hose Ferrule	1	0000000	000000

90° Elbow Adapters, Hose × NPT/NPTF Male Threaded Pipe

Maximum Pressure: See table
Temperature Range: Brass and Stainless Steel Fittings: -40° to 160° F; Bronze Fittings: 32° to 212° F
Attachment Type: See table
Specifications Met: Brass and Stainless Steel Fittings: SAE J476; Bronze Fittings: ASTM B584, UL 1121

Bronze
For Hose ID	Pipe Size	Max. Pressure	Attachment Type	Pkg. Qty.		Pkg.
2 1/2"	2 1/2	100 psi @ 72° F	Worm-Drive Clamp	1	0000000	0000000

Easy-Fit Barbed Hose Fittings for Air and Water

Low-profile barbs and a longer first barb allow for a smoother, easier installation than other barbed fittings. Slide the barbed end into rubber hose and secure with a clamp.

Steel fittings are stronger and more durable than other metal fittings. They should be used in noncorrosive environments. Zinc-plated steel fittings have slightly better corrosion resistance than unplated steel fittings. Aluminum fittings are lighter in weight than other metal fittings. They have good corrosion resistance. Brass fittings are softer than other metal fittings, so they’re easier to thread together. They have good corrosion resistance.

Fittings with a threaded end are also known as hose nipples.

Hose connectors are also known as hose menders and splicers. Use them to connect lengths of hose or to repair damaged hose.

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

Straight Adapters, Hose × NPT Male Threaded Pipe

Straight Adapter with Round Body

Maximum Pressure: 125 psi @ 72° F, except For 5" to 8" Hose IDs: 100 psi @ 72° F
Maximum Vacuum: For 1/2" to 4" Hose IDs: 26 in. of Hg @ 72° F
Temperature Range: -20° to 200° F
Attachment Type: Use Worm-Drive Clamps, Bolt Clamps or Band-and-Buckle Clamps
Specifications Met: See table

Steel
For Hose ID	Pipe Size	Body Shape	Specifications Met		Each
2 1/2"	2	Round	ASME B1.20.1, ASTM A53	00000000	000000
2 1/2"	2 1/2	Round	ASME B1.20.1, ASTM A53	0000000	00000
2 1/2"	3	Round	ASME B1.20.1, ASTM A53	00000000	00000
Zinc-Plated Steel
2 1/2"	2	Round	ASME B1.20.1, ASTM A53	00000000	00000
2 1/2"	2 1/2	Round	ASME B1.20.1, ASTM A53	0000000	00000
2 1/2"	3	Round	ASME B1.20.1, ASTM A53	00000000	00000
Brass
2 1/2"	2 1/2	Round	ASME B1.20.1, ASTM B43	0000000	00000
Aluminum
2 1/2"	2 1/2	Round	ASME B1.20.1, ASTM B241	0000000	00000

Straight Adapters, Hose × BSPT Male Threaded Pipe

Straight Adapter with Round Body

Maximum Pressure: See table
Maximum Vacuum: Not Rated, except For 2 1/2" to 4" Hose IDs: 26 in. of Hg @ 72° F
Temperature Range: -20° to 200° F, except For 2 1/2" to 4" Hose IDs: -20° to 400° F
Attachment Type: Use Band-and-Buckle Clamps, except For 2 1/2" to 4" Hose IDs: Use Worm-Drive Clamps, Bolt Clamps or Band-and-Buckle Clamps
Specifications Met: See table

Zinc-Plated Steel
For Hose ID	Pipe Size	Body Shape	Max. Pressure	Specifications Met		Each
2 1/2"	2 1/2	Round	75 psi @ 72° F	ASTM A53	0000000	000000

Straight Connectors, Hose

Maximum Pressure: 125 psi @ 72° F, except For 6" to 8" Hose IDs: 100 psi @ 72° F
Maximum Vacuum: For 1/2" to 4" Hose IDs: 26 in. of Hg @ 72° F
Temperature Range: -20° to 200° F
Attachment Type: Use Worm-Drive Clamps, Bolt Clamps or Band-and-Buckle Clamps; except For 6" to 8" Hose IDs: Use Band-and-Buckle Clamps
Specifications Met: See table

Zinc-Plated Steel
For Hose ID	Specifications Met		Each
2 1/2"	ASTM A53	00000000	000000

Metal Cam-and-Groove Hose Couplings for Water

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.

Plugs with barbed end are also known as E adapters. Insert the barbed end into plastic or rubber hose and secure with a clamp.

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

Straight sockets with barbed end are also known as C couplers. Insert the barbed end into plastic or rubber hose and secure with a clamp.

Aluminum couplings are lighter in weight than brass plugs and sockets. They have good abrasion and corrosion resistance. Brass couplings are softer than aluminum plugs and sockets, so they’re easier to thread together. They have good 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.

Straight Plugs, Barbed Hose

Maximum Pressure: See table
Temperature Range: -65° to 250° F
Attachment Type: Use Band-and-Buckle Clamps
Specifications Met: Fed. Spec. A-A-59326
Compatible With: Andrews Cam-and-Groove Couplings, Dixon Cam-and-Groove Couplings, Ever-Tite Cam-and-Groove Couplings, PT Coupling Cam-and-Groove Couplings

Anodized Aluminum
Coupling Size	Plug OD	For Hose ID	Max. Pressure		Each
2 1/2	3"	2 1/2"	200 psi @ 72° F	0000000	000000
Brass
2 1/2	3"	2 1/2"	200 psi @ 72° F	00000000	00000

Straight Sockets with Locking Levers, Barbed Hose

Maximum Pressure: See table
Temperature Range: -65° to 250° F
Attachment Type: Use Band-and-Buckle Clamps
Specifications Met: Fed. Spec. A-A-59326
Compatible With: Andrews Cam-and-Groove Couplings, Dixon Cam-and-Groove Couplings, Ever-Tite Cam-and-Groove Couplings, PT Coupling Cam-and-Groove Couplings

Sockets
			Levers						Replacement Gaskets			300 Series Stainless Steel Replacement Levers		Brass Replacement Levers
Coupling Size	Socket ID	For Hose ID	No. of	Material	Pull Ring Material	Max. Pressure		Each	Pkg. Qty.		Pkg.		Each		Each
Anodized Aluminum
2 1/2	3"	2 1/2"	2	316 Stainless Steel	Zinc-Plated Steel	200 psi @ 72° F	000000	000000	10	0000000	00000	00000000	000000	000000	00
Brass
2 1/2	3"	2 1/2"	2	Brass	Zinc-Plated Steel	200 psi @ 72° F	000000000	000000	10	0000000	0000	000000	00	000000000	000000

Straight Sockets, Barbed Hose

Maximum Pressure: See table
Temperature Range: -65° to 250° F
Attachment Type: Use Band-and-Buckle Clamps
Specifications Met: Fed. Spec. A-A-59326
Compatible With: Andrews Cam-and-Groove Couplings, Dixon Cam-and-Groove Couplings, Ever-Tite Cam-and-Groove Couplings, PT Coupling Cam-and-Groove Couplings

Sockets
			Levers						Replacement Gaskets			Replacement Levers
Coupling Size	Socket ID	For Hose ID	No. of	Material	Pull Ring Material	Max. Pressure		Each	Pkg. Qty.		Pkg.		Each
Anodized Aluminum
2 1/2	3"	2 1/2"	2	316 Stainless Steel	Zinc-Plated Steel	200 psi @ 72° F	0000000	000000	10	0000000	00000	000000000	000000
Brass
2 1/2	3"	2 1/2"	2	Brass	Zinc-Plated Steel	200 psi @ 72° F	00000000	000000	10	0000000	0000	000000	00

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.

Plugs with barbed end are also known as E adapters. Insert the barbed end into plastic or rubber hose and secure with a clamp.

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

Straight sockets with barbed end are also known as C couplers. Insert the barbed end into plastic or rubber hose and secure with a clamp.

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.

Straight Plugs, Barbed Hose

For Use With: Citric Acid, Diesel Fuel, Gasoline, Hydraulic Fluid
Maximum Pressure: See table
Temperature Range: -65° to 250° F
Attachment Type: Use Band-and-Buckle Clamps
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

Aluminum
Coupling Size	Plug OD	For Hose ID	Dash Size	Max. Pressure		Each
2 1/2	3"	2 1/2"	40	200 psi @ 72° F	00000000	000000
316 Stainless Steel
2 1/2	3"	2 1/2"	40	200 psi @ 72° F	00000000	000000

Straight Sockets with Locking Levers, Barbed Hose

For Use With: Citric Acid, Diesel Fuel, Gasoline, Hydraulic Fluid
Maximum Pressure: See table
Temperature Range: -65° to 250° F
Attachment Type: Use Band-and-Buckle Clamps
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	For Hose ID	Dash Size	No. of Levers	Pull Ring Material	Max. Pressure		Each	Pkg. Qty.		Pkg.		Each		Each
Aluminum with Brass Levers
2 1/2	3"	2 1/2"	40	2	Zinc-Plated Steel	200 psi @ 72° F	000000000	000000	10	0000000	00000	000000000	000000	000000	00
Aluminum with 316 Stainless Steel Levers
2 1/2	3"	2 1/2"	40	2	Zinc-Plated Steel	200 psi @ 72° F	000000	00000	10	0000000	0000	000000	00	00000000	000000
316 Stainless Steel with 316 Stainless Steel Levers
2 1/2	3"	2 1/2"	40	2	304 Stainless Steel	200 psi @ 72° F	000000000	000000	10	0000000	0000	000000	00	00000000	00000

Straight Sockets, Barbed Hose

For Use With: Citric Acid, Diesel Fuel, Gasoline, Hydraulic Fluid
Maximum Pressure: See table
Temperature Range: -65° to 250° F
Attachment Type: Use Band-and-Buckle Clamps
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	For Hose ID	Dash Size	No. of Levers	Pull Ring Material	Max. Pressure		Each	Pkg. Qty.		Pkg.		Each
Aluminum with Brass Levers
2 1/2	3"	2 1/2"	40	2	Zinc-Plated Steel	200 psi @ 72° F	00000000	000000	10	0000000	00000	000000	00
Aluminum with 316 Stainless Steel Levers
2 1/2	3"	2 1/2"	40	2	Zinc-Plated Steel	200 psi @ 72° F	0000000	00000	10	0000000	0000	000000000	000000
316 Stainless Steel with 316 Stainless Steel Levers
2 1/2	3"	2 1/2"	40	2	304 Stainless Steel	200 psi @ 72° F	00000000	000000	10	0000000	0000	000000000	00000

Metal Barbed Hose Fittings for Chemicals and Petroleum

Made of stainless steel, these fittings stand up to a wide variety of chemicals, as well as fuels, gasoline, and oils. To connect, slide the barbed end into plastic or rubber hose and secure with a clamp.

Adapters are also known as hose nipples; they adapt a barbed end to a threaded end.

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

Straight Adapters, Hose × NPT Male Threaded Pipe

For Use With: See table
Maximum Pressure: See table
Temperature Range: See table
Attachment Type: Use Band-and-Buckle Clamps

316 Stainless Steel
For Hose ID	Pipe Size	Max. Pressure	Temperature Range, °F	For Use With		Each
2 1/2"	2 1/2	300 psi @ 72° F	-40° to 300°	Acetone, Boric Acid, Citric Acid, Diesel Fuel, Ethanol, Fuel Oil, Gasoline, Mineral Oil, Mineral Spirits, Vegetable Oil	000000000	0000000

Easy-Fit Barbed Hose Fittings for Chemicals

Low-profile barbs and a longer first barb allow for a smoother, easier installation than other barbed fittings. Slide the barbed end into rubber hose and secure with a clamp. Fittings are 316 stainless steel, which has excellent corrosion resistance to withstand a variety of chemicals.

Adapters are also known as hose nipples; they adapt a barbed end to a threaded end.

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

Straight Adapters, Hose × NPT Male Threaded Pipe

Round Body

For Use With: Acetone, Isopropyl Alcohol, Mineral Oil, Sodium Hydroxide
Maximum Pressure: See table
Maximum Vacuum: 26 in. of Hg @ 72° F
Temperature Range: -20° to 200° F
Attachment Type: Use Worm-Drive Clamps, Bolt Clamps or Band-and-Buckle Clamps
Specifications Met: ASME B1.20.1, ASTM A312

316 Stainless Steel
For Hose ID	Pipe Size	Body Shape	Max. Pressure		Each
2 1/2"	2	Round	70 psi @ 72° F	0000000	0000000
2 1/2"	2 1/2	Round	70 psi @ 72° F	0000000	00000

Straight Adapters, Hose × BSPT Male Threaded Pipe

Round Body

For Use With: Acetone, Isopropyl Alcohol, Mineral Oil, Sodium Hydroxide
Maximum Pressure: See table
Maximum Vacuum: 26 in. of Hg @ 72° F
Temperature Range: -20° to 400° F
Attachment Type: Use Worm-Drive Clamps, Bolt Clamps or Band-and-Buckle Clamps
Specifications Met: ASTM A312

316 Stainless Steel
For Hose ID	Pipe Size	Body Shape	Max. Pressure		Each
2 1/2"	2 1/2	Round	50 psi @ 72° F	0000000	0000000

High-Polish Metal Quick-Clamp Sanitary Tube Fittings

Temperature Range: See Gaskets

The smooth finish inside these fittings makes it easy to remove product residue. Also known as aseptic and tri-clamp fittings, they connect with a gasket, a clamp, and another quick-clamp fitting for a fast and easy way to access your line. The pressure rating of the fitting will vary depending on the clamp you choose, and the temperature rating will vary based on the gasket material you choose.

304 stainless steel fittings have very good corrosion resistance. 316 stainless steel fittings have excellent corrosion resistance.

Note: To complete a connection, you’ll need two quick-clamp fittings, a clamp, and a gasket (all sold separately).

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

Straight Adapters, Tube × Barbed Hose

For Use With:
3-A Certified Fittings: Air, Beverage, Food, Water
All Other Fittings: Air, Water
Tubing: Use with welded 304/304L or 316/316L stainless steel that meets ASTM A269 or ASTM 270
Specifications Met: See table

Fittings with barbed hose end connect flexible hose or tubing to your system. Secure with a hose clamp (sold separately).

			304 Stainless Steel		316/316L Stainless Steel
For Tube OD	Flange OD	For Hose ID		Each		Each
2 1/2"	3.047"	2 1/2"	00000000	000000	000000000	0000000
3"	3.579"	2 1/2"	000000	00	00000000	000000
4"	4.682"	2 1/2"	000000	00	00000000	000000

304 Stainless Steel Clamps with Wing Nut

For Tube OD	For Flange OD	Max. Pressure	For Tube Specifications Met		Each
2 1/2"	3.047"	400 psi @ 72° F	ASTM A269, ASTM A270	00000000	000000
3"	3.579"	350 psi @ 72° F	ASTM A269, ASTM A270	00000000	00000
4"	4.682"	200 psi @ 72° F	ASTM A269, ASTM A270	00000000	00000

304 Stainless Steel Clamps with Wing Nut, Spring Closure

Spring Closure

For Tube OD	For Flange OD	Max. Pressure	For Tube Specifications Met		Each
2 1/2"	3.047"	400 psi @ 72° F	ASTM A269, ASTM A270	0000000	000000
3"	3.579"	350 psi @ 72° F	ASTM A269, ASTM A270	0000000	00000
4"	4.682"	200 psi @ 72° F	ASTM A269, ASTM A270	0000000	00000

304 Stainless Steel Clamps with Bolt

For Tube OD	For Flange OD	Bolt Material	Max. Pressure	For Tube Specifications Met		Each
2 1/2"	3.047"	304 Stainless Steel	1,000 psi @ 72° F	ASTM A269, ASTM A270	00000000	000000
3"	3.579"	304 Stainless Steel	1,000 psi @ 72° F	ASTM A269, ASTM A270	00000000	00000
4"	4.682"	304 Stainless Steel	1,000 psi @ 72° F	ASTM A269, ASTM A270	00000000	00000

304 Stainless Steel Clamps with Lever and Hole for Lockout

For Tube OD	For Flange OD	Max. Pressure	For Tube Specifications Met	Specifications Met		Each
3"	3.72"	350 psi @ 72° F	ASTM A269, ASTM A270	ASME BPE	00000000	000000
4"	4.82"	300 psi @ 72° F	ASTM A269, ASTM A270	ASME BPE	00000000	00000

316 Stainless Steel Clamps with Wing Nut and 2-Pin Hinge

For Tube OD	For Flange OD	Max. Pressure		Each
2 1/2"	3.047"	700 psi @ 72° F	0000000	000000
3"	3.579"	580 psi @ 72° F	0000000	00000
4"	4.682"	500 psi @ 72° F	0000000	00000

316 Stainless Steel Clamps with Safety Wing Nut and 2-Pin Hinge

For Tube OD	For Flange OD	Max. Pressure		Each
3"	3.579"	580 psi @ 72° F	0000000	000000
4"	4.682"	500 psi @ 72° F	0000000	00000

316 Stainless Steel Clamps with Double Bolt

For Tube OD	For Flange OD	Bolt Material	Max. Pressure	Specifications Met		Each
3"	3.579"	316 Stainless Steel	1,300 psi @ 72° F	ASME BPVC.VIII	0000000	0000000
4"	4.682"	316 Stainless Steel	820 psi @ 72° F	ASME BPVC.VIII	0000000	000000

316 Stainless Steel Clamps with Recessed Nut, Hole for Lockout, and 2-Pin Hinge

For Tube OD	For Flange OD	Max. Pressure		Each
3"	3.579"	580 psi @ 72° F	0000000	000000
4"	4.682"	500 psi @ 72° F	0000000	00000

White Nylon Plastic Clamps with Wing Nut

For Tube OD	For Flange OD	Max. Pressure	For Tube Specifications Met		Each
2 1/2"	3.047"	150 psi @ 72° F	ASTM A269, ASTM A270	00000000	000000
3"	3.579"	150 psi @ 72° F	ASTM A269, ASTM A270	00000000	00000
4"	4.682"	150 psi @ 72° F	ASTM A269, ASTM A270	00000000	00000

Gaskets

Buna-N gaskets are oil resistant. EPDM gaskets resist water and steam and work well in humid environments. Silicone gaskets withstand high temperatures. Fluoroelastomer gaskets stand up to fuel, oil, and acid condensates. PTFE gaskets withstand harsh chemicals, with the exception of molten alkali metal and elemental fluorine.

Buna-N Rubber
For Tube OD	ID	OD	Thick.	Temp. Range, °F	Color	Specifications Met		Each
2 1/2"	2.400"	3.050"	0.203"	-30° to 200°	Black	3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600	0000000	00000
3"	2.900"	3.580"	0.203"	-30° to 200°	Black	3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600	0000000	0000
4"	3.870"	4.680"	0.203"	-30° to 200°	Black	3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600	0000000	0000
EPDM Rubber
2 1/2"	2.400"	3.050"	0.203"	-20° to 300°	Black	3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600	0000000	0000
3"	2.900"	3.580"	0.203"	-20° to 300°	Black	3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600	0000000	0000
4"	3.870"	4.680"	0.203"	-20° to 300°	Black	3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600	0000000	0000
Silicone Rubber
2 1/2"	2.400"	3.050"	0.203"	-40° to 450°	Clear	3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600	0000000	0000
3"	2.900"	3.580"	0.203"	-40° to 450°	Clear	3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600	0000000	0000
4"	3.870"	4.680"	0.203"	-40° to 450°	Clear	3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600	0000000	0000
Fluoroelastomer Rubber
2 1/2"	2.400"	3.050"	0.203"	-15° to 400°	Black	3-A Certified 18-03, FDA Compliant 21 CFR 177.2600	0000000	0000
3"	2.900"	3.580"	0.203"	-15° to 400°	Black	3-A Certified 18-03, FDA Compliant 21 CFR 177.2600	0000000	0000
4"	3.870"	4.680"	0.203"	-15° to 400°	Black	3-A Certified 18-03, FDA Compliant 21 CFR 177.2600	0000000	0000
PTFE Plastic
2 1/2"	2.400"	3.050"	0.203"	-100° to 500°	White	3-A Certified 20-27, FDA Compliant 21 CFR 177.1550	00000000	0000
3"	2.900"	3.580"	0.203"	-100° to 500°	White	3-A Certified 20-27, FDA Compliant 21 CFR 177.1550	00000000	0000
4"	3.870"	4.680"	0.203"	-100° to 500°	White	3-A Certified 20-27, FDA Compliant 21 CFR 177.1550	00000000	0000

Gasket Fittings—Male Straight Adapters, Gasket × Standard Tube

For Tube OD
Gasket Connection	Standard Connection	Wall Thick.	Material	For Tube Specifications Met	Includes		Each
2 1/2"	2 1/2"	0.065"	316 Stainless Steel	ASTM A269, ASTM A270	304 Stainless Steel Nut	0000000	0000000

Gasket Fittings—Female Straight Adapters, Gasket × Standard Tube

For Tube OD
Gasket Connection	Standard Connection	Wall Thick.	Material	For Tube Specifications Met		Each
2 1/2"	2 1/2"	0.065"	316 Stainless Steel	ASTM A269, ASTM A270	0000000	0000000

Extra-Support Fittings—Male Straight Adapters, Extra-Support Tube × Standard Tube

	Flange OD
For Tube OD	Extra-Support Connection	Standard Connection	Wall Thick.	Material	For Tube Specifications Met		Each
3"	3.87"	3.579"	0.065"	316 Stainless Steel	ASTM A269, ASTM A270	0000000	0000000

Extra-Support Fittings—Female Straight Adapters, Extra-Support Tube × Standard Tube

	Flange OD
For Tube OD	Extra-Support Connection	Standard Connection	Wall Thick.	Material	For Tube Specifications Met		Each
3"	3.87"	3.579"	0.065"	316 Stainless Steel	ASTM A269, ASTM A270	0000000	0000000