Connection Style Connection Style |
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| Quick Disconnect |
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| Barbed |
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| Threaded |
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| Quick Clamp |
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| Compression |
Material Material |
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Flow Control Flow Control |
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Length Length |
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Maximum Pressure Maximum Pressure |
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Clarity Clarity |
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| Clear | Semi-Clear |
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| Opaque |
Maximum Vacuum Maximum Vacuum |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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O-Ring Material O-Ring Material |
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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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Quick-Disconnect Tube Couplings for Food and Beverage
- Temperature Range:
Acetal Plastic: -40° to 180° F
Polypropylene Plastic: 32° to 160° F - Tubing:
Barbed Fittings: Use with soft or firm (Durometer 65A-80A) polyurethane rubber
Compression Fittings: Use with hard or firm (Durometer 80A-60D) nylon or polyethylene plastic - Specifications Met: NSF/ANSI 169
Couplings consist of a plug and a socket (sold separately) that join with a latch, so you can frequently connect and disconnect your line. To connect, insert the plug into the socket; to disconnect, press the latch on the socket and remove the plug. They’re made of FDA-approved materials, including moisture-resistant plastic that won’t absorb liquid and lose strength, even in high-humidity food and beverage applications.
Plugs and sockets with shut-off have a valve to stop the flow when the coupling is separated, so fluid won’t spill from your line.
Note: For a complete coupling, order a plug and a socket with the same coupling size.
For technical drawings and 3-D models, click on a part number.
Barbed plugs insert into tubing and secure with a clamp.
Open Flow | With Shut-Off | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Coupling Size | Plug OD | For Tube ID | Material | Color | Clarity | Max. Pressure | Each | Each | ||
| 1/4 | 7/16" | 1/4" | Acetal Plastic | White | Semi-Clear | 100 psi @ 72° F | 0000000 | 00000 | 0000000 | 000000 |
| 1/4 | 7/16" | 3/8" | Acetal Plastic | White | Semi-Clear | 100 psi @ 72° F | 0000000 | 0000 | 0000000 | 00000 |
| 3/8 | 3/4" | 3/8" | Polypropylene Plastic | Gray | Opaque | 60 psi @ 72° F | 0000000 | 00000 | 0000000 | 00000 |
| 3/8 | 3/4" | 1/2" | Polypropylene Plastic | Gray | Opaque | 60 psi @ 72° F | 0000000 | 0000 | 0000000 | 00000 |
Compression plugs have a sleeve (ferrule) that compresses the tubing and forms a seal when you tighten the nut.
Open Flow | With Shut-Off | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Coupling Size | Plug OD | Pipe Size | Material | Color | Clarity | Max. Pressure | Each | Each | ||
NPT Threads | ||||||||||
| 1/4 | 7/16" | 1/4 | Acetal Plastic | White | Semi-Clear | 100 psi @ 72° F | 0000000 | 00000 | 0000000 | 000000 |
| 1/4 | 7/16" | 3/8 | Acetal Plastic | White | Semi-Clear | 100 psi @ 72° F | 0000000 | 0000 | 0000000 | 00000 |
| 3/8 | 3/4" | 3/8 | Polypropylene Plastic | Gray | Opaque | 60 psi @ 72° F | 0000000 | 00000 | 0000000 | 00000 |
| 3/8 | 3/4" | 1/2 | Polypropylene Plastic | Gray | Opaque | 60 psi @ 72° F | 0000000 | 00000 | 0000000 | 00000 |
Barbed plugs insert into tubing and secure with a clamp.
Barbed sockets insert into tubing and secure with a clamp.
Open Flow | With Shut-Off | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Coupling Size | For Plug OD | For Tube ID | Material | Color | Clarity | Max. Pressure | Each | Each | ||
| 1/4 | 7/16" | 1/4" | Acetal Plastic | White | Semi-Clear | 100 psi @ 72° F | 0000000 | 00000 | 0000000 | 000000 |
| 1/4 | 7/16" | 3/8" | Acetal Plastic | White | Semi-Clear | 100 psi @ 72° F | 0000000 | 0000 | 0000000 | 00000 |
| 3/8 | 3/4" | 3/8" | Polypropylene Plastic | Gray | Opaque | 60 psi @ 72° F | 0000000 | 00000 | 0000000 | 00000 |
| 3/8 | 3/4" | 1/2" | Polypropylene Plastic | Gray | Opaque | 60 psi @ 72° F | 0000000 | 00000 | 0000000 | 00000 |
Barbed sockets insert into tubing and secure with a clamp.
Through-wall sockets are also known as bulkhead sockets and panel-mount sockets; they mount through your wall or panel to create an inlet or outlet.
| Coupling Size | For Plug OD | For Tube ID | Material | Color | Clarity | Max. Pressure | For Hole Dia. | For Max. Wall Thick. | Each | |
Open Flow | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 3/8 | 3/4" | 3/8" | Polypropylene Plastic | Gray | Opaque | 60 psi @ 72° F | 1 13/16" | 1/4" | 0000000 | 000000 |
| 3/8 | 3/4" | 1/2" | Polypropylene Plastic | Gray | Opaque | 60 psi @ 72° F | 1 13/16" | 1/4" | 0000000 | 00000 |
With Shut-Off | ||||||||||
| 3/8 | 3/4" | 3/8" | Polypropylene Plastic | Gray | Opaque | 60 psi @ 72° F | 1 13/16" | 1/4" | 0000000 | 00000 |
| 3/8 | 3/4" | 1/2" | Polypropylene Plastic | Gray | Opaque | 60 psi @ 72° F | 1 13/16" | 1/4" | 0000000 | 00000 |
Compression sockets have a sleeve (ferrule) that compresses the tubing and forms a seal when you tighten the nut.
Open Flow | With Shut-Off | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Coupling Size | For Plug OD | Pipe Size | Material | Color | Clarity | Max. Pressure | Each | Each | ||
NPT Threads | ||||||||||
| 1/4 | 7/16" | 1/4 | Acetal Plastic | White | Semi-Clear | 100 psi @ 72° F | 0000000 | 00000 | 0000000 | 000000 |
| 1/4 | 7/16" | 3/8 | Acetal Plastic | White | Semi-Clear | 100 psi @ 72° F | 0000000 | 0000 | 0000000 | 00000 |
| 3/8 | 3/4" | 3/8 | Polypropylene Plastic | Gray | Opaque | 60 psi @ 72° F | 0000000 | 00000 | 0000000 | 00000 |
| 3/8 | 3/4" | 1/2 | Polypropylene Plastic | Gray | Opaque | 60 psi @ 72° F | 0000000 | 00000 | 0000000 | 00000 |
Quick-Disconnect Tube Couplings for Dairy
- Temperature Range: -40° to 300° F
- Tubing: Use with soft (Durometer 50A-65A) silicone rubber
Also known as single-use fittings, these plugs and sockets are disposable so you don't have to sterilize your line. They are packaged in a clean room and double bagged to prevent contamination. Plugs and sockets join with a latch so you can frequently connect and disconnect your line. To connect, insert the plug into the socket; to disconnect, press the latch on the socket and remove the plug. The flanged end connects to any other sanitary stainless steel quick-clamp fitting (sold separately). Plugs and sockets are open-flow style, so there is no shut-off valve to stop the flow when the coupling is separated. They have a universal connection, so the plugs will connect to any of the sockets regardless of the tube size.
Note: For a complete coupling, order a plug and a socket.
Warning: Flow should be stopped before you disconnect your line.
For technical drawings and 3-D models, click on a part number.
Quick-clamp sockets connect to other quick-clamp sanitary fittings.
Open Flow | ||||||
|---|---|---|---|---|---|---|
| For Tube OD | Flange OD | Material | Color | Max. Pressure | Each | |
| 3/4" | 0.984" | Polysulfone Plastic | Yellow | 60 psi @ 72° F | 0000000 | 000000 |