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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.
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. DIN EN 10357 fittings meet an international standard for butt-weld fitting specifications. This standard is common in the food and chemical industries.
Caps
| For Tube OD | Max. Pressure | Max. Vacuum | Temp. Range Min., °F | Temp. Range Max., °F | Wall Thick. | For Use With | Specifications Met | Each | |
304/304L Stainless Steel  | |||||||||
|---|---|---|---|---|---|---|---|---|---|
Polished | |||||||||
| 1" | 600 psi @ 72° F | 10 -6 torr @ 72° F | -65° | 250° | 0.065" | Air, Food, Water | __ | 44655K81 | 000000 |
| 1 1/2" | 600 psi @ 72° F | 10 -6 torr @ 72° F | -65° | 250° | 0.065" | Air, Food, Water | __ | 44655K82 | 00000 |
| 2" | 550 psi @ 72° F | 10 -6 torr @ 72° F | -65° | 250° | 0.065" | Air, Food, Water | __ | 44655K83 | 00000 |
| 2 1/2" | 450 psi @ 72° F | 10 -6 torr @ 72° F | -65° | 250° | 0.065" | Air, Food, Water | __ | 44655K84 | 00000 |
| 3" | 350 psi @ 72° F | 10 -6 torr @ 72° F | -65° | 250° | 0.065" | Air, Food, Water | __ | 44655K85 | 00000 |
| 4" | 250 psi @ 72° F | 10 -6 torr @ 72° F | -65° | 250° | 0.083" | Air, Food, Water | __ | 44655K86 | 000000 |
| 19mm | Not Rated | Not Rated | Not Rated | 250° | 1.5mm | Dairy, Food | DIN EN 10253-4 | 6963N123 | 00000 |
| 29mm | Not Rated | Not Rated | Not Rated | 250° | 1.5mm | Dairy, Food | DIN EN 10253-4 | 6963N125 | 00000 |
| 41mm | Not Rated | Not Rated | Not Rated | 250° | 1.5mm | Dairy, Food | DIN EN 10253-4 | 6963N127 | 00000 |
| 53mm | Not Rated | Not Rated | Not Rated | 250° | 1.5mm | Dairy, Food | DIN EN 10253-4 | 6963N128 | 00000 |
| 70mm | Not Rated | Not Rated | Not Rated | 250° | 2mm | Dairy, Food | DIN EN 10253-4 | 6963N129 | 00000 |
| 85mm | Not Rated | Not Rated | Not Rated | 250° | 2mm | Dairy, Food | DIN EN 10253-4 | 6963N132 | 00000 |
Dull | |||||||||
| 1" | 600 psi @ 72° F | 10 -6 torr @ 72° F | -65° | 250° | 0.065" | Air, Food, Water | __ | 44675K91 | 00000 |
| 1 1/2" | 600 psi @ 72° F | 10 -6 torr @ 72° F | -65° | 250° | 0.065" | Air, Food, Water | __ | 44675K92 | 00000 |
| 2" | 550 psi @ 72° F | 10 -6 torr @ 72° F | -65° | 250° | 0.065" | Air, Food, Water | __ | 44675K93 | 00000 |
| 2 1/2" | 450 psi @ 72° F | 10 -6 torr @ 72° F | -65° | 250° | 0.065" | Air, Food, Water | __ | 44675K94 | 00000 |
| 3" | 350 psi @ 72° F | 10 -6 torr @ 72° F | -65° | 250° | 0.065" | Air, Food, Water | __ | 44675K95 | 00000 |
| 4" | 250 psi @ 72° F | 10 -6 torr @ 72° F | -65° | 250° | 0.083" | Air, Food, Water | __ | 44675K96 | 00000 |
| 6" | 120 psi @ 72° F | 10 -6 torr @ 72° F | -65° | 250° | 0.109" | Air, Food, Water | __ | 44675K97 | 000000 |
316/316L Stainless Steel | |||||||||
Polished | |||||||||
| 1/4" | 200 psi @ 72° F | __ | -65° | 200° | 0.035" | Air, Deionized Water, Pharmaceuticals, Water | ASME BPE | 44655K991 | 00000 |
| 3/8" | 200 psi @ 72° F | __ | -65° | 200° | 0.035" | Air, Deionized Water, Pharmaceuticals, Water | ASME BPE | 44655K992 | 00000 |
| 1/2" | 1,200 psi @ 72° F | 10 -6 torr @ 72° F | -65° | 250° | 0.065" | Air, Food, Water | __ | 5237K436 | 00000 |
| 3/4" | 1,000 psi @ 72° F | 10 -6 torr @ 72° F | -65° | 250° | 0.065" | Air, Food, Water | __ | 5237K437 | 00000 |
| 1" | 600 psi @ 72° F | 10 -6 torr @ 72° F | -65° | 250° | 0.065" | Air, Food, Water | __ | 5237K81 | 00000 |
| 1 1/2" | 600 psi @ 72° F | 10 -6 torr @ 72° F | -65° | 250° | 0.065" | Air, Food, Water | __ | 5237K82 | 00000 |
| 2" | 550 psi @ 72° F | 10 -6 torr @ 72° F | -65° | 250° | 0.065" | Air, Food, Water | __ | 5237K83 | 00000 |
| 2 1/2" | 450 psi @ 72° F | 10 -6 torr @ 72° F | -65° | 250° | 0.065" | Air, Food, Water | __ | 5237K84 | 00000 |
| 3" | 350 psi @ 72° F | 10 -6 torr @ 72° F | -65° | 250° | 0.065" | Air, Food, Water | __ | 5237K85 | 00000 |
| 4" | 250 psi @ 72° F | 10 -6 torr @ 72° F | -65° | 250° | 0.083" | Air, Food, Water | __ | 5237K86 | 00000 |
| 6" | 120 psi @ 72° F | 10 -6 torr @ 72° F | -65° | 250° | 0.109" | Air, Food, Water | __ | 5237K99 | 000000 |
Dull | |||||||||
| 1/2" | 1,200 psi @ 72° F | 10 -6 torr @ 72° F | -65° | 250° | 0.065" | Air, Food, Water | __ | 5237K438 | 00000 |
| 3/4" | 1,000 psi @ 72° F | 10 -6 torr @ 72° F | -65° | 250° | 0.065" | Air, Food, Water | __ | 5237K439 | 00000 |
| 1" | 600 psi @ 72° F | 10 -6 torr @ 72° F | -65° | 250° | 0.065" | Air, Food, Water | __ | 5237K911 | 00000 |
| 1 1/2" | 600 psi @ 72° F | 10 -6 torr @ 72° F | -65° | 250° | 0.065" | Air, Food, Water | __ | 5237K921 | 00000 |
| 2" | 550 psi @ 72° F | 10 -6 torr @ 72° F | -65° | 250° | 0.065" | Air, Food, Water | __ | 5237K931 | 00000 |
| 2 1/2" | 450 psi @ 72° F | 10 -6 torr @ 72° F | -65° | 250° | 0.065" | Air, Food, Water | __ | 5237K941 | 00000 |
| 3" | 350 psi @ 72° F | 10 -6 torr @ 72° F | -65° | 250° | 0.065" | Air, Food, Water | __ | 5237K951 | 00000 |
| 4" | 250 psi @ 72° F | 10 -6 torr @ 72° F | -65° | 250° | 0.083" | Air, Food, Water | __ | 5237K961 | 00000 |
| 6" | 120 psi @ 72° F | 10 -6 torr @ 72° F | -65° | 250° | 0.109" | Air, Food, Water | __ | 5237K212 | 000000 |