- Push to connect
- Safety lock to release
373 Series | Safety Lock Double Shut Off Quick Release Couplings & Plugs
The 373 Kee series coupling is a safety lock system for use with breathing air hose line applications. To disconnect, the plug must first be pushed further into the coupling before it can be unlocked. This prevents unintentional disconnection.
Male Thread BSPT Coupling
| Part Number | Thread | Length | Diameter |
|---|---|---|---|
| 373CZMT14BNN | 1/4" | 65mm | 23mm |
| 373CZMT38BNN | 3/8" | 64mm | 23mm |
| 373CZMT12BNN | 1/2" | 66mm | 23mm |
Female Thread BSPP Coupling
| Part Number | Thread | Length | Diameter |
|---|---|---|---|
| 373CZFP14BNN | 1/4" | 60mm | 23mm |
| 373CZFP38BNN | 3/8" | 59mm | 23mm |
Hosetail Coupling
| Part Number | Hosetail | Length | Diameter |
|---|---|---|---|
| 373CZHT06BNN | 6mm | 78mm | 23mm |
| 373CZHT09BNN | 9mm | 78mm | 23mm |
| 373CZHT10BNN | 10mm | 78mm | 23mm |
| 373CZHT13BNN | 13mm | 78mm | 23mm |
Male Thread BSPT Plug
| Part Number | Thread | Length |
|---|---|---|
| 373PZMT14BNN | 1/4" | 46mm |
| 373PZMT38BNN | 3/8" | 46mm |
Female Thread BSPP Plug
| Part Number | Thread |
|---|---|
| 373PZFP14BNN | 4" 46 |
| 373PZFP38BNN | 8" 46 |
Hosetail Plug
| Part Number | Hosetail | Length |
|---|---|---|
| 373PZHT06BNN | 6mm | 68mm |
| 373PZHT09BNN | 9mm | 68mm |
| 373PZHT13BNN | 13mm | 68mm |
Advantages
Technical Specifications
Coupling Specifications
Back Body: Brass (MS 58) Nickel Plated
Valve Body: Brass (MS 58) Nickel Plated
Sleeve: Brass (MS 58) Nickel Plated
Spring: Stainless Steel 301
Locking Balls: Stainless Steel 301
Plug Specifications
Plug Body: Brass (MS 58) Nickel Plated
Valve: Brass (MS 58) Nickel Plated
Spring: Stainless Steel 301
Seal: NBR
Working Limits
Working Temperature
-20°C to +100°C (NBR)
-40°C to +130°C (EPDM)
-15°C to +200°C (Viton)
Depending on Medium
Working Pressure
35 Bar
Maximum static working pressure with safety factor 4:1
Interchangeability
Interchangeable With:
- CEJN 348
- Parker-Rectus 25 KD