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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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.
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, except fittings with a 0.13" wall thickness cannot be used with dairy
- Tubing: Use with welded 304/304L or 316/316L stainless steel that meets ASTM A269 or ASTM 270
- Specifications Met: See table
Fittings with butt-weld end are also known as ferrules; they weld to tubing for a permanent, flush connection. Tank butt-weld fittings have an extra-thick wall for welding.
For Tube OD | ||||||
|---|---|---|---|---|---|---|
| Quick Clamp | Butt Weld | Flange OD | Wall Thick. | Specifications Met | Each | |
| 4" | 4" | 4.682" | 0.211" | 3-A Certified 63-04 | 00000000 | 000000 |
For Tube OD | |||||||
|---|---|---|---|---|---|---|---|
| Quick Clamp | Butt Weld | Flange OD | Wall Thick. | Specifications Met | Certification | Each | |
| 4" | 4" | 4.682" | 0.211" | 3-A Certified 63-04 | Material Certificate with Traceable Lot Number and Test Report | 000000000 | 0000000 |
| For Tube OD | For Flange OD | Max. Pressure | For Tube Specifications Met | Each | |
| 4" | 4.682" | 200 psi @ 72° F | ASTM A269, ASTM A270 | 00000000 | 000000 |
| For Tube OD | For Flange OD | Max. Pressure | For Tube Specifications Met | Each | |
| 4" | 4.682" | 200 psi @ 72° F | ASTM A269, ASTM A270 | 0000000 | 000000 |
| For Tube OD | For Flange OD | Bolt Material | Max. Pressure | For Tube Specifications Met | Each | |
| 4" | 4.682" | 304 Stainless Steel | 1,000 psi @ 72° F | ASTM A269, ASTM A270 | 00000000 | 000000 |
| For Tube OD | For Flange OD | Max. Pressure | For Tube Specifications Met | Specifications Met | Each | |
| 4" | 4.682" | 300 psi @ 72° F | ASTM A269, ASTM A270 | ASME BPE | 00000000 | 000000 |
| For Tube OD | For Flange OD | Max. Pressure | Each | |
| 4" | 4.682" | 500 psi @ 72° F | 0000000 | 000000 |
| For Tube OD | For Flange OD | Max. Pressure | Each | |
| 4" | 4.682" | 500 psi @ 72° F | 0000000 | 000000 |
| For Tube OD | For Flange OD | Bolt Material | Max. Pressure | Specifications Met | Each | |
| 4" | 4.682" | 316 Stainless Steel | 820 psi @ 72° F | ASME BPVC.VIII | 0000000 | 0000000 |
| For Tube OD | For Flange OD | Max. Pressure | Each | |
| 4" | 4.682" | 500 psi @ 72° F | 0000000 | 000000 |
| For Tube OD | For Flange OD | Max. Pressure | For Tube Specifications Met | Each | |
| 4" | 4.682" | 150 psi @ 72° F | ASTM A269, ASTM A270 | 00000000 | 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 | ||||||||
|---|---|---|---|---|---|---|---|---|
| 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 | 0000000 | 00000 |
EPDM Rubber | ||||||||
| 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 | 0000000 | 0000 |
Silicone Rubber | ||||||||
| 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 | 0000000 | 0000 |
Fluoroelastomer Rubber | ||||||||
| 4" | 3.870" | 4.680" | 0.203" | -15° to 400° | Black | 3-A Certified 18-03, FDA Compliant 21 CFR 177.2600 | 0000000 | 0000 |
PTFE Plastic | ||||||||
| 4" | 3.870" | 4.680" | 0.18" | -100° to 500° | White | 3-A Certified 20-27, FDA Compliant 21 CFR 177.1550 | 00000000 | 0000 |