How to Identify and Measure 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.
DIN EN 10357 fittings meet an international standard for butt-weld fitting specifications. This standard is common in the food and chemical industries.
For technical drawings and 3-D models, click on a part number.
| For Tube OD | Max. Pressure | Max. Vacuum | Temp. Range Min., °F | Temp. Range Max., °F | Lg. | Wall Thick. | For Use With | Specifications Met | Each | |
304/304L Stainless Steel  | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Polished | ||||||||||
| 29mm | Not Rated | Not Rated | Not Rated | 250° | 50mm | 1.5mm | Dairy, Food | DIN EN 10357 | 0000000 | 000000 |
316/316L Stainless Steel | ||||||||||
Polished | ||||||||||
| 29mm | Not Rated | Not Rated | Not Rated | 250° | 50mm | 1.5mm | Dairy, Food | DIN EN 10357 | 0000000 | 00000 |
304/304L Stainless Steel | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| For Tube OD | Max. Pressure | Max. Vacuum | Temp. Range Min., °F | Temp. Range Max., °F | Wall Thick. | For Use With | Specifications Met | Each | |
Polished | |||||||||
| 29mm | Not Rated | Not Rated | Not Rated | 250° | 1.5mm | Dairy, Food | DIN EN 10253-4 | 00000000 | 000000 |
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.
Fittings that meet DIN standards adhere to international requirements for sanitary quick-clamp fittings. 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 technical drawings and 3-D models, click on a part number.
- For Use With: Air, Beverage, Dairy, Food, Water
- Tubing:
Inch: Use with welded 304/304L or 316/316L stainless steel that meets ASTM A269 or ASTM 270
Metric: 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.
Clamps with wing nut tighten by hand.
| For Tube OD | For Flange OD | Max. Pressure | Specifications Met | Each | |
304 Stainless Steel with Wing Nut | |||||
|---|---|---|---|---|---|
| 26mm, 32mm, 38mm | 51mm | 90 psi @ 72 ° F | DIN 32676 | 0000000 | 000000 |
EPDM gaskets resist water and steam and work well in humid environments.
| For Tube OD | ID | OD | Thick. | Temp. Range, °F | Color | Specifications Met | Each | |
EPDM Rubber | ||||||||
|---|---|---|---|---|---|---|---|---|
| 26mm | 26.200mm | 50.500mm | 0.205" | -50° to 275° | Black | DIN 32676 | 0000000 | 00000 |
Silicone Rubber | ||||||||
| 26mm | 26.200mm | 52.580mm | 5.2mm | -40° to 450° | Clear | DIN 32676, FDA Compliant 21 CFR 177.2600 | 00000000 | 00000 |
PTFE Plastic | ||||||||
| 26mm | 26.200mm | 50.500mm | 5.2mm | -100° to 500° | White | DIN 32676, FDA Compliant 21 CFR 177.1550 | 000000000 | 00000 |