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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.
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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 stainless steel fittings have very good corrosion resistance. 316 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.
Straight Reducers, Tube
1
2
304/304L Stainless Steel
| 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 | 1" | 3/4" | 200 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Dairy, Food | 3-A Certified 63-04 | 000000000 | 000000 |
| 1 | 1 1/2" | 1" | 600 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Dairy, Food | 3-A Certified 63-04 | 00000000 | 00000 |
| 1 | 2" | 1" | 200 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Dairy, Food | 3-A Certified 63-04 | 000000000 | 00000 |
| 1 | 2" | 1 1/2" | 550 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Dairy, Food | 3-A Certified 63-04 | 00000000 | 00000 |
| 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 | 00000000 | 00000 |
| 1 | 2 1/2" | 2" | 450 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Dairy, Food | 3-A Certified 63-04 | 00000000 | 00000 |
| 1 | 3" | 1 1/2" | 350 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Dairy, Food | 3-A Certified 63-04 | 00000000 | 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 | 00000000 | 00000 |
| 1 | 3" | 2 1/2" | 350 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Dairy, Food | 3-A Certified 63-04 | 00000000 | 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 | 00000000 | 00000 |
| 1 | 6" | 4" | 125 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.109" | Dairy, Food | 3-A Certified 63-04 | 00000000 | 000000 |
Dull | ||||||||||
| 1 | 1 1/2" | 1" | 600 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Air, Food, Water | __ | 00000000 | 00000 |
| 1 | 2" | 1" | 550 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Air, Food, Water | __ | 00000000 | 00000 |
| 1 | 2" | 1 1/2" | 550 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Air, Food, Water | __ | 00000000 | 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 | __ | 00000000 | 00000 |
| 1 | 2 1/2" | 2" | 450 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Air, Food, Water | __ | 00000000 | 00000 |
| 1 | 3" | 1 1/2" | 350 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Air, Food, Water | __ | 00000000 | 00000 |
| 1 | 3" | 2" | 350 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Air, Food, Water | __ | 00000000 | 00000 |
| 1 | 3" | 2 1/2" | 350 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Air, Food, Water | __ | 00000000 | 00000 |
| 1 | 4" | 3" | 250 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Air, Food, Water | __ | 00000000 | 00000 |
| 1 | 6" | 4" | 120 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.083" | Air, Food, Water | __ | 00000000 | 000000 |
316/316L Stainless Steel
| 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 | 1" | 1/2" | 600 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Dairy, Food | 3-A Certified 63-04 | __ | 00000000 | 000000 |
| 1 | 1" | 3/4" | 600 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Dairy, Food | 3-A Certified 63-04 | __ | 00000000 | 00000 |
| 1 | 1 1/2" | 1" | 600 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Dairy, Food | 3-A Certified 63-04 | __ | 0000000 | 00000 |
| 1 | 2" | 1 1/2" | 550 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Dairy, Food | 3-A Certified 63-04 | __ | 0000000 | 00000 |
| 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 | __ | 0000000 | 00000 |
| 1 | 2 1/2" | 2" | 450 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Dairy, Food | 3-A Certified 63-04 | __ | 0000000 | 00000 |
| 1 | 3" | 1 1/2" | 350 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Dairy, Food | 3-A Certified 63-04 | __ | 0000000 | 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 | __ | 0000000 | 00000 |
| 1 | 3" | 2 1/2" | 350 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Dairy, Food | 3-A Certified 63-04 | __ | 0000000 | 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 | __ | 0000000 | 00000 |
| 2 | 1/2" | 3/8" | 200 psi @ 72° F | __ | -65° to 200° | 0.065" | Air, Deionized Water, Pharmaceuticals, Water | ASME BPE | Material Certificate with Traceable Lot Number and Test Report | 000000000 | 000000 |
| 2 | 3/4" | 1/4" | 200 psi @ 72° F | __ | -65° to 200° | 0.065" | Air, Deionized Water, Pharmaceuticals, Water | ASME BPE | Material Certificate with Traceable Lot Number and Test Report | 000000000 | 000000 |
| 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 | 0000000 | 000000 |
| 2 | 1" | 1/2" | 200 psi @ 72° F | __ | -65° to 200° | 0.065" | Air, Deionized Water, Pharmaceuticals, Water | ASME BPE | Material Certificate with Traceable Lot Number and Test Report | 000000000 | 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 | 0000000 | 000000 |
| 2 | 1 1/2" | 1/2" | 200 psi @ 72° F | __ | -65° to 200° | 0.065" | Air, Deionized Water, Pharmaceuticals, Water | ASME BPE | Material Certificate with Traceable Lot Number and Test Report | 000000000 | 000000 |
| 2 | 1 1/2" | 3/4" | 200 psi @ 72° F | __ | -65° to 200° | 0.065" | Air, Deionized Water, Pharmaceuticals, Water | ASME BPE | Material Certificate with Traceable Lot Number and Test Report | 000000000 | 000000 |
| 2 | 1 1/2" | 1" | 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 | 0000000 | 000000 |
| 2 | 2" | 1" | 200 psi @ 72° F | __ | -65° to 200° | 0.065" | Air, Deionized Water, Pharmaceuticals, Water | ASME BPE | Material Certificate with Traceable Lot Number and Test Report | 000000000 | 000000 |
| 2 | 2" | 1 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 | 0000000 | 000000 |
| 2 | 2 1/2" | 2" | 200 psi @ 72° F | __ | -65° to 200° | 0.065" | Air, Deionized Water, Pharmaceuticals, Water | ASME BPE | Material Certificate with Traceable Lot Number and Test Report | 000000000 | 000000 |
| 2 | 3" | 2" | 200 psi @ 72° F | __ | -65° to 200° | 0.065" | Air, Deionized Water, Pharmaceuticals, Water | ASME BPE | Material Certificate with Traceable Lot Number and Test Report | 000000000 | 000000 |
| 2 | 3" | 2 1/2" | 200 psi @ 72° F | __ | -65° to 200° | 0.065" | Air, Deionized Water, Pharmaceuticals, Water | ASME BPE | Material Certificate with Traceable Lot Number and Test Report | 000000000 | 000000 |
Dull | |||||||||||
| 1 | 1" | 1/2" | 600 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Air, Food, Water | __ | __ | 00000000 | 00000 |
| 1 | 1" | 3/4" | 600 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Air, Food, Water | __ | __ | 00000000 | 00000 |
| 1 | 1 1/2" | 1" | 600 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Air, Food, Water | __ | __ | 00000000 | 00000 |
| 1 | 2" | 1" | 550 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Air, Food, Water | __ | __ | 00000000 | 00000 |
| 1 | 2" | 1 1/2" | 550 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Air, Food, Water | __ | __ | 00000000 | 00000 |
| 1 | 2 1/2" | 2" | 450 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Air, Food, Water | __ | __ | 00000000 | 00000 |
| 1 | 3" | 1 1/2" | 350 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Air, Food, Water | __ | __ | 00000000 | 00000 |
| 1 | 3" | 2" | 350 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Air, Food, Water | __ | __ | 00000000 | 00000 |
| 1 | 3" | 2 1/2" | 350 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Air, Food, Water | __ | __ | 00000000 | 00000 |
| 1 | 4" | 3" | 250 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.083" | Air, Food, Water | __ | __ | 00000000 | 00000 |
| 1 | 6" | 4" | 120 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.109" | Air, Food, Water | __ | __ | 00000000 | 000000 |
Offset Straight Reducers, Tube
Offset Configuration
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 | |||||||||
| 1 1/2" | 1" | 600 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Dairy, Food | 3-A Certified 63-04 | 00000000 | 000000 |
| 2" | 1 1/2" | 550 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Dairy, Food | 3-A Certified 63-04 | 00000000 | 00000 |
| 2 1/2" | 2" | 450 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Dairy, Food | 3-A Certified 63-04 | 00000000 | 00000 |
| 3" | 1 1/2" | 350 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Dairy, Food | 3-A Certified 63-04 | 00000000 | 000000 |
| 3" | 2" | 350 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Dairy, Food | 3-A Certified 63-04 | 00000000 | 00000 |
| 3" | 2 1/2" | 350 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Dairy, Food | 3-A Certified 63-04 | 00000000 | 00000 |
| 4" | 3" | 250 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.083" | Dairy, Food | 3-A Certified 63-04 | 00000000 | 00000 |
Dull | |||||||||
| 1 1/2" | 1" | 600 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Air, Food, Water | __ | 00000000 | 00000 |
| 2" | 1" | 550 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Air, Food, Water | __ | 00000000 | 00000 |
| 2" | 1 1/2" | 550 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Air, Food, Water | __ | 00000000 | 00000 |
| 2 1/2" | 2" | 450 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Air, Food, Water | __ | 00000000 | 00000 |
| 3" | 2" | 350 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Air, Food, Water | __ | 00000000 | 00000 |
| 3" | 2 1/2" | 350 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Air, Food, Water | __ | 00000000 | 00000 |
| 4" | 3" | 250 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Air, Food, Water | __ | 00000000 | 00000 |
| 6" | 4" | 120 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.083" | Air, Food, Water | __ | 00000000 | 000000 |
316/316L Stainless Steel | |||||||||
Polished | |||||||||
| 1" | 1/2" | 600 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Dairy, Food | 3-A Certified 63-04 | 00000000 | 00000 |
| 1" | 3/4" | 600 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Dairy, Food | 3-A Certified 63-04 | 00000000 | 00000 |
| 1 1/2" | 1" | 600 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Dairy, Food | 3-A Certified 63-04 | 0000000 | 00000 |
| 2" | 1 1/2" | 550 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Dairy, Food | 3-A Certified 63-04 | 0000000 | 00000 |
| 2 1/2" | 2" | 450 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Dairy, Food | 3-A Certified 63-04 | 0000000 | 00000 |
| 3" | 2" | 350 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Dairy, Food | 3-A Certified 63-04 | 0000000 | 00000 |
| 3" | 2 1/2" | 350 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Dairy, Food | 3-A Certified 63-04 | 0000000 | 00000 |
Dull | |||||||||
| 1" | 1/2" | 600 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Air, Food, Water | __ | 00000000 | 00000 |
| 2" | 1 1/2" | 550 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Air, Food, Water | __ | 00000000 | 00000 |
| 4" | 3" | 250 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.083" | Air, Food, Water | __ | 00000000 | 00000 |
Inline Tee Reducers, Tube
Inline tees are also known as branch tees.
| 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 | |||||||||
| 1 1/2" | 1" | 600 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Dairy, Food | 3-A Certified 63-04 | 00000000 | 000000 |
| 2" | 1" | 550 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Dairy, Food | 3-A Certified 63-04 | 00000000 | 00000 |
| 2" | 1 1/2" | 550 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Dairy, Food | 3-A Certified 63-04 | 00000000 | 00000 |
| 3" | 2" | 350 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Dairy, Food | 3-A Certified 63-04 | 00000000 | 000000 |
Dull | |||||||||
| 1 1/2" | 1" | 600 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Air, Food, Water | __ | 00000000 | 00000 |
| 2" | 1" | 550 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Air, Food, Water | __ | 00000000 | 00000 |
| 2" | 1 1/2" | 550 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Air, Food, Water | __ | 00000000 | 00000 |
| 3" | 2" | 350 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Air, Food, Water | __ | 00000000 | 00000 |
316/316L Stainless Steel | |||||||||
Polished | |||||||||
| 1 1/2" | 1" | 600 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Dairy, Food | 3-A Certified 63-04 | 0000000 | 00000 |
| 2" | 1" | 550 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Dairy, Food | 3-A Certified 63-04 | 0000000 | 00000 |
| 2" | 1 1/2" | 550 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Dairy, Food | 3-A Certified 63-04 | 0000000 | 00000 |
| 3" | 2" | 350 psi @ 72° F | 10 -6 torr @ 72° F | -65° to 250° | 0.065" | Dairy, Food | 3-A Certified 63-04 | 0000000 | 000000 |