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Measure your pipe and fittings to identify their pipe size, thread size, schedule, and thread type. Then, find compatible components.
Nuts for High-Polish Gasket Fittings for Stainless Steel Tubing
- For Use With: Air, Dairy, Water
- Temperature Range:
Buna-N Gaskets: -30° to 200° F
PTFE Gaskets: -100° to 500° F - Tubing:
Inch Nuts: Use with welded 304/304L or 316/316L stainless steel that meet ASTM A269 or ASTM A270
Metric Nuts: Use with seamless or welded 316 stainless steel - Specifications Met: 3-A Certified 63-04, except metric nuts
Join high-polish gasket fittings for a connection that grants you easy access to your line. Nuts are 304 stainless steel for very good corrosion resistance.
3-A certified nuts have been tested to meet sanitary design standards.
| For Tube OD | Nut Material | Max. Pressure | Each | |
| 1" | 304 Stainless Steel | 400 psi @ 72° F | 44575K111 | 000000 |
| 1 1/2" | 304 Stainless Steel | 400 psi @ 72° F | 44575K112 | 00000 |
| 2" | 304 Stainless Steel | 400 psi @ 72° F | 44575K113 | 00000 |
| 2 1/2" | 304 Stainless Steel | 400 psi @ 72° F | 44575K114 | 00000 |
| 3" | 304 Stainless Steel | 400 psi @ 72° F | 44575K115 | 00000 |
| 4" | 304 Stainless Steel | 400 psi @ 72° F | 44575K116 | 00000 |
| 41mm | 304 Stainless Steel | 580 psi @ 72° F | 2078N111 | 00000 |
| 53mm | 304 Stainless Steel | 360 psi @ 72° F | 2078N112 | 00000 |
| 70mm | 304 Stainless Steel | 360 psi @ 72° F | 2078N113 | 00000 |
The temperature rating of the fitting will vary depending on the gasket material you choose. Buna-N gaskets are oil resistant. PTFE gaskets are chemical resistant.
| For Tube OD | ID | OD | Thick. | Temperature Range, ° F | Color | Specifications Met | Each | |
Buna-N Rubber | ||||||||
|---|---|---|---|---|---|---|---|---|
| 1" | 0.900" | 1.325" | 0.3" | -30° to 200° | Black | __ | 4524K47 | 00000 |
| 1 1/2" | 1 3/8" | 1 7/8" | 0.33" | -30° to 200° | Black | __ | 4524K48 | 0000 |
| 2" | 1.850" | 2 3/8" | 0.35" | -30° to 200° | Black | __ | 4524K49 | 0000 |
| 2 1/2" | 2.340" | 2.950" | 0.35" | -30° to 200° | Black | __ | 4524K51 | 0000 |
| 3" | 2 7/8" | 3.475" | 0.35" | -30° to 200° | Black | __ | 4524K52 | 0000 |
| 4" | 3.700" | 4 1/2" | 0.45" | -30° to 200° | Black | __ | 4524K53 | 0000 |
PTFE Plastic | ||||||||
| 1" | 0.900" | 1.325" | 0.3" | -100° to 500° | White | 3-A Certified 20-27 | 4522K31 | 0000 |
| 1 1/2" | 1 3/8" | 1 7/8" | 0.33" | -100° to 500° | White | 3-A Certified 20-27 | 4522K32 | 0000 |
| 2" | 1.850" | 2 3/8" | 0.35" | -100° to 500° | White | 3-A Certified 20-27 | 4522K33 | 0000 |
| 2 1/2" | 2.340" | 2.950" | 0.35" | -100° to 500° | White | 3-A Certified 20-27 | 4522K34 | 0000 |
| 3" | 2 7/8" | 3.475" | 0.35" | -100° to 500° | White | 3-A Certified 20-27 | 4522K35 | 0000 |
| 4" | 3.700" | 4 1/2" | 0.33" | -100° to 500° | White | 3-A Certified 20-27 | 4522K36 | 0000 |
High-Polish Gasket Fittings for Stainless Steel Tubing
- For Use With: Air, Dairy, Water
- Temperature Range: See Gaskets
- Tubing:
Inch Butt-Weld Fittings and Quick-Clamp Fittings: Use with welded 304/304L or 316/316L stainless steel that meets ASTM 269 or ASTM 27
Metric Butt-Weld Fittings: Use with welded or seamless 316 stainless steel - Specifications Met:
304 Stainless Steel Adapters, Caps, and Nuts: 3-A Certified 63-04
Gaskets: See table
Join these fittings with a threaded nut and a gasket for a secure connection that grants you easy access to your line. Also known as bevel seat fittings, the fittings are beveled to fit snugly around the gasket, creating a vibration-resistant seal. Fittings are polished to a smooth finish on the interior to prevent product buildup and bacterial growth.
316 stainless steel fittings have excellent corrosion resistance.
Note: For a complete connection, you’ll need a threaded straight adapter, an unthreaded straight adapter, a gasket, and a nut (all sold separately unless noted).
