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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.
Quick-Disconnect Tube Couplings for Chemicals
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. Plugs and sockets are polypropylene, which has excellent chemical, impact, and abrasion resistance.
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 Use With: Ammonia, Ethanol, Phosphoric Acid (70%), Sodium Carbonate
- Temperature Range: 32° to 160° F
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.
| For Tube ID | Coupling Size | For Plug OD | Material | Color | Max. Pressure | For Hole Dia. | For Max. Wall Thick. | Socket Locking Type | Each | |
Open Flow | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1/8" | 1/8 | 5/16" | Polypropylene Plastic | Beige | 120 psi @ 72° F | 1/2" | 1/2" | Latch | 51545K15 | 000000 |
| 1/4" | 1/4 | 7/16" | Polypropylene Plastic | Beige | 120 psi @ 72° F | 11/16" | 1/2" | Latch | 51545K17 | 00000 |
| 3/8" | 1/4 | 7/16" | Polypropylene Plastic | Beige | 120 psi @ 72° F | 11/16" | 1/2" | Latch | 51545K18 | 00000 |
| 3/8" | 3/8 | 3/4" | Polypropylene Plastic | Gray | 60 psi @ 72° F | 1 3/16" | 1/4" | Latch | 51545K88 | 00000 |
| 1/2" | 3/8 | 3/4" | Polypropylene Plastic | Gray | 60 psi @ 72° F | 1 3/16" | 1/4" | Latch | 51545K89 | 00000 |
With Shut-Off | ||||||||||
| 1/8" | 1/8 | 5/16" | Polypropylene Plastic | Beige | 120 psi @ 72° F | 1/2" | 1/2" | Latch | 51545K25 | 00000 |
| 1/4" | 1/8 | 5/16" | Polypropylene Plastic | Beige | 120 psi @ 72° F | 1/2" | 1/2" | Latch | 51545K26 | 00000 |
| 1/4" | 1/4 | 7/16" | Polypropylene Plastic | Beige | 120 psi @ 72° F | 11/16" | 1/2" | Latch | 51545K27 | 00000 |
| 3/8" | 1/4 | 7/16" | Polypropylene Plastic | Beige | 120 psi @ 72° F | 11/16" | 1/2" | Latch | 51545K28 | 00000 |
| 3/8" | 3/8 | 3/4" | Polypropylene Plastic | Gray | 60 psi @ 72° F | 1 3/16" | 1/4" | Latch | 51545K35 | 00000 |
| 1/2" | 3/8 | 3/4" | Polypropylene Plastic | Gray | 60 psi @ 72° F | 1 3/16" | 1/4" | Latch | 51545K36 | 00000 |