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Measure the threaded ends of your fittings to identify their pipe size, thread size, schedule, and thread type. Then, find compatible components.
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.
Inch fittings connect to another same-size fitting and squeeze the gasket in between for a tight seal.
304 stainless steel fittings have very good corrosion resistance. 316 stainless steel fittings have excellent corrosion resistance.
3-A certified fittings comply with sanitary standards.
Note: To complete a connection, you’ll need two quick-clamp fittings, a clamp, and a gasket (all sold separately).
- For Use With: Air, Beverage, Dairy, Food, Water
- Tubing:
Inch Fittings: Use with welded 304/304L or 316/316L stainless steel that meets ASTM A269 or ASTM 270
Metric Fittings: Use with welded 304/304L or 316/316L stainless steel - Specifications Met: See table
Fittings with butt-weld end are also known as ferrules; they weld to tubing for a permanent, flush connection.
For Tube OD | 304 Stainless Steel | 316/316L Stainless Steel | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Quick Clamp | Butt Weld | Flange OD | Lg. | Wall Thick. | Specifications Met | Each | Certification | Each | ||
Inch | ||||||||||
| 3" | 3" | 3.579" | 4" | 0.065" | 3-A Certified 63-04 | 4322K195 | 000000 | Material Certificate with Traceable Lot Number and Test Report | 50485K195 | 000000 |
| 4" | 4" | 4.682" | 4" | 0.083" | 3-A Certified 63-04 | 4322K196 | 00000 | Material Certificate with Traceable Lot Number and Test Report | 50485K196 | 000000 |
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.
| For Tube OD | ID | OD | Thick. | Temp. Range, °F | Color | Specifications Met | Each | |
Buna-N Rubber | ||||||||
|---|---|---|---|---|---|---|---|---|
| 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 | 4509K17 | 00000 |
| 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 | 4509K18 | 0000 |
EPDM Rubber | ||||||||
| 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 | 1100N17 | 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 | 1100N18 | 0000 |
Silicone Rubber | ||||||||
| 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 | 4520K47 | 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 | 4520K48 | 0000 |
Fluoroelastomer Rubber | ||||||||
| 3" | 2.900" | 3.580" | 0.203" | -15° to 400° | Black | 3-A Certified 18-03, FDA Compliant 21 CFR 177.2600 | 5044K57 | 0000 |
| 4" | 3.870" | 4.680" | 0.203" | -15° to 400° | Black | 3-A Certified 18-03, FDA Compliant 21 CFR 177.2600 | 5044K58 | 0000 |
PTFE Plastic | ||||||||
| 3" | 2.900" | 3.580" | 0.18" | -100° to 500° | White | 3-A Certified 20-27, FDA Compliant 21 CFR 177.1550 | 43315K57 | 0000 |
| 4" | 3.870" | 4.680" | 0.18" | -100° to 500° | White | 3-A Certified 20-27, FDA Compliant 21 CFR 177.1550 | 43315K58 | 0000 |
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 | 4177N14 | 0000000 |
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 | 4177N18 | 0000000 |
Extra-High-Polish Metal Quick-Clamp Sanitary Tube Fittings
- For Use With: Air, Beverage, Dairy, Deionized Water, Food, Pharmaceuticals, Water
- Temperature Range: See Gaskets
- Tubing:
Fittings with 700 psi @ 72° F max. pressure: Use with 316/316L stainless steel that meets ASTM A269 or ASTM A270
Fittings with all other max. pressures: Use with 316/316L stainless steel that meets ASTM A249, ASTM A269, or ASTM A270
Gaskets: Use with 304/304L and 316/316L stainless steel - Specifications Met: See table
- Certification: Material Certificate with Traceable Lot Number and Test Report
Polished to a 20 Ra finish, these fittings have an extra-smooth interior that prevents product buildup and inhibits bacteria growth. Use them in pharmaceutical and bioprocessing applications. Also known as tri-clamp fittings, they connect with a clamp, a gasket, and another quick-clamp fitting for a fast and easy way to access your line. Fittings are 316 stainless steel for excellent corrosion resistance.
The pressure rating of the fitting will depend on the clamp you choose.
The temperature rating of the fitting will vary depending on the gasket material you choose.
Note: To complete a connection, you’ll need two quick-clamp fittings, a clamp, and a gasket (all sold separately).
Offset straight reducers connect one pipe to another smaller-diameter pipe. They have offset centers so the line can drain. Also known as eccentric reducers.
Tube Connection (A) | Tube Connection (B) | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| For Tube OD | Flange OD | For Tube OD | Wall Thick. | Length | Material | Max. Pressure | Specifications Met | Each | |
| 1 1/2" | 1.984" | 3/4" | 0.065" | 4" | 316/316L Stainless Steel | 200 psi @ 100° F | ASME BPE | 4759K808 | 0000000 |
| For Tube OD | For Flange OD | Max. Pressure | For Tube Specifications Met | Each | |
| 1", 1 1/4", 1 1/2" | 1.984" | 500 psi @ 72° F | ASTM A269, ASTM A270 | 9155K11 | 000000 |
| For Tube OD | For Flange OD | Bolt Material | Max. Pressure | For Tube Specifications Met | Each | |
| 1", 1 1/4", 1 1/2" | 2.2" | 304 Stainless Steel | 1,500 psi @ 72° F | ASTM A269, ASTM A270 | 4322K711 | 000000 |
| For Tube OD | For Flange OD | Max. Pressure | For Tube Specifications Met | Specifications Met | Certificate | Each | |
| 1", 1 1/4", 1 1/2" | 1.984" | 500 psi @ 72° F | ASTM A269, ASTM A270 | ASME BPE | Material Certificate with Traceable Lot Number | 4322K381 | 000000 |
| For Tube OD | For Flange OD | Max. Pressure | Certificate | Each | |
| 1", 1 1/4", 1 1/2" | 1.984" | 700 psi @ 72° F | Material Certificate with Traceable Lot Number | 4759K62 | 000000 |
| For Tube OD | For Flange OD | Max. Pressure | Certificate | Each | |
| 1", 1 1/4", 1 1/2" | 1.984" | 720 psi @ 72° F | Material Certificate with Traceable Lot Number | 4052N19 | 000000 |
| For Tube OD | For Flange OD | Bolt Material | Max. Pressure | Specifications Met | Each | |
| 1", 1 1/4", 1 1/2" | 1.984" | 316 Stainless Steel | 2,400 psi @ 72° F | ASME BPVC.VIII | 4052N32 | 0000000 |
| For Tube OD | For Flange OD | Max. Pressure | Each | |
| 1", 1 1/4", 1 1/2" | 1.984" | 720 psi @ 72° F | 4052N26 | 000000 |
| For Tube OD | For Flange OD | Max. Pressure | For Tube Specifications Met | Each | |
| 1", 1 1/4", 1 1/2" | 1.984" | 150 psi @ 72° F | ASTM A269, ASTM A270 | 4322K169 | 000000 |
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.
| For Tube OD | ID | OD | Thick. | Temp. Range, °F | Color | Specifications Met | Each | |
Buna-N Rubber | ||||||||
|---|---|---|---|---|---|---|---|---|
| 1 1/2" | 1.400" | 1.980" | 0.203" | -30° to 200° | Black | 3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600 | 4509K14 | 00000 |
EPDM Rubber | ||||||||
| 1 1/2" | 1.400" | 1.980" | 0.203" | -20° to 300° | Black | 3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600 | 1100N14 | 0000 |
Silicone Rubber | ||||||||
| 1 1/2" | 1.400" | 1.980" | 0.203" | -40° to 450° | Clear | 3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600 | 4520K44 | 0000 |
Fluoroelastomer Rubber | ||||||||
| 1 1/2" | 1.400" | 1.980" | 0.203" | -15° to 400° | Black | 3-A Certified 18-03, FDA Compliant 21 CFR 177.2600 | 5044K54 | 0000 |
PTFE Plastic | ||||||||
| 1 1/2" | 1.400" | 1.980" | 0.18" | -100° to 500° | White | 3-A Certified 20-27, FDA Compliant 21 CFR 177.1550 | 43315K54 | 0000 |
Butt-Weld Fittings for Stainless Steel Tubing
- For Use With: See table
- Temperature Range: See table
- Tubing:
304 Stainless Steel: Use with 304/304L stainless steel that meets ASTM A213, ASTM A269, or ASTM A270, except DIN EN 10357 fittings with only ASTM A269 or ASTM A270
316 Stainless Steel: Use with 316/316L stainless steel that meets ASTM A213, ASTM A269, or ASTM A270, except ASME BPE and DIN EN 10357 fittings with only ASTM A269 or ASTM A270 - Specifications Met: See table
Weld these fittings to tubing for a permanent, flush connection that permits smooth flow through a line.
304/304L stainless steel fittings have very good corrosion resistance. 316/316L stainless steel fittings have excellent corrosion resistance.
ASME BPE fittings are polished to a 20 Ra finish for an extra-smooth interior that prevents product buildup and bacteria growth. Use them in pharmaceutical and bioprocessing applications.
| For Tube OD (A) | For Tube OD (B) | Max. Pressure | Max. Vacuum | Temp. Range, °F | Wall Thick. | For Use With | Specifications Met | Each | ||
Polished | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2" | 1" | 200 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Dairy, Food | 3-A Certified 63-04 | 44655K944 | 000000 |
| 1 | 2 1/2" | 1 1/2" | 450 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Dairy, Food | 3-A Certified 63-04 | 44655K44 | 00000 |
| 1 | 3" | 2" | 350 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Dairy, Food | 3-A Certified 63-04 | 44655K47 | 00000 |
| 1 | 4" | 3" | 250 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.083" | Dairy, Food | 3-A Certified 63-04 | 44655K54 | 00000 |
Dull | ||||||||||
| 1 | 2" | 1" | 550 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Air, Food, Water | __ | 44675K42 | 00000 |
| 1 | 2 1/2" | 1 1/2" | 450 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Air, Food, Water | __ | 44675K44 | 00000 |
| 1 | 3" | 2" | 350 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Air, Food, Water | __ | 44675K47 | 00000 |
| 1 | 4" | 3" | 250 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Air, Food, Water | __ | 44675K52 | 00000 |
| For Tube OD (A) | For Tube OD (B) | Max. Pressure | Max. Vacuum | Temp. Range, °F | Wall Thick. | For Use With | Specifications Met | Certification | Each | ||
Polished | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 1/2" | 1 1/2" | 450 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Dairy, Food | 3-A Certified 63-04 | __ | 5237K44 | 000000 |
| 1 | 3" | 2" | 350 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Dairy, Food | 3-A Certified 63-04 | __ | 5237K47 | 00000 |
| 1 | 4" | 3" | 250 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.083" | Dairy, Food | 3-A Certified 63-04 | __ | 5237K54 | 00000 |
| 2 | 3/4" | 1/2" | 200 psi @ 72° F | __ | -65° to 250° | 0.065" | Air, Deionized Water, Pharmaceuticals, Water | ASME BPE | Material Certificate with Traceable Lot Number and Test Report | 4746K21 | 000000 |
| 2 | 1" | 3/4" | 200 psi @ 72° F | __ | -65° to 250° | 0.065" | Air, Deionized Water, Pharmaceuticals, Water | ASME BPE | Material Certificate with Traceable Lot Number and Test Report | 4746K22 | 000000 |
Dull | |||||||||||
| 1 | 2" | 1" | 550 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Air, Food, Water | __ | __ | 5237K421 | 00000 |
| 1 | 3" | 2" | 350 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Air, Food, Water | __ | __ | 5237K471 | 00000 |
| 1 | 4" | 3" | 250 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.083" | Air, Food, Water | __ | __ | 5237K521 | 00000 |
Offset straight reducers are also known as eccentric reducers. They have offset centers so your line can drain.
| For Tube OD (A) | For Tube OD (B) | Max. Pressure | Max. Vacuum | Temp. Range, °F | Wall Thick. | For Use With | Specifications Met | Each | |
304/304L Stainless Steel | |||||||||
|---|---|---|---|---|---|---|---|---|---|
Polished | |||||||||
| 3" | 2" | 350 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Dairy, Food | 3-A Certified 63-04 | 44655K67 | 000000 |
| 4" | 3" | 250 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.083" | Dairy, Food | 3-A Certified 63-04 | 44655K74 | 00000 |
Dull | |||||||||
| 2" | 1" | 550 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Air, Food, Water | __ | 44675K62 | 00000 |
| 3" | 2" | 350 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Air, Food, Water | __ | 44675K67 | 00000 |
| 4" | 3" | 250 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Air, Food, Water | __ | 44675K72 | 00000 |
316/316L Stainless Steel | |||||||||
Polished | |||||||||
| 3" | 2" | 350 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Dairy, Food | 3-A Certified 63-04 | 5237K67 | 00000 |
Dull | |||||||||
| 4" | 3" | 250 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.083" | Air, Food, Water | __ | 5237K721 | 00000 |