- Single handed operation.
- Suitable for water, grease, air and oil.

831 Series | Straight Through Quick Release Couplings & Plugs
The 831 Series is a 13mm straight through quick release coupling for mould tool coolant lines. No valve for full unrestricted flow. FKM (PTFE-coated) seals rated to 200°C. Available with BSPP and M24 x 1.5 metric threads and 19mm bore hose tails in straight, 45° and 90° configurations.

Male Thread BSPP Coupling
| Part Number | Length | Diameter | Thread |
|---|---|---|---|
| 831CNMP12BVX | 74mm | 31mm | 1/2" |
| 831CNMP34BVX | 78mm | 31mm | 3/4" |
| 831CNMM42BVX | 78mm | 31mm | M24 x 1.5 |
Female Thread BSPP Coupling
| Part Number | Length | Diameter | Thread |
|---|---|---|---|
| 831CNFP34BVX | 78mm | 31mm | 3/4" |
Hosetail Coupling
| Part Number | Length | Diameter | Hosetail |
|---|---|---|---|
| 831CNHT19BVX | 92mm | 31mm | 19mm |
45 deg Hosetail Coupling
| Part Number | Length | Diameter | Hosetail |
|---|---|---|---|
| 831CNHF19BVX | 78mm | 31mm | 19mm |
90 deg Hosetail Coupling
| Part Number | Length | Diameter | Hosetail |
|---|---|---|---|
| 831CNHN19BVX | 78mm | 31mm | 19mm |
Male Thread BSPP Plug
| Part Number | Thread | Length |
|---|---|---|
| 831PNMM42BXX | M24 x 1.5 | 51mm |
| 831PNMP12BXX | 1/2" | 47mm |
| 831PNMP34BXX | 3/4" | 51mm |
Hosetail Plug
| Part Number | Length | Hosetail |
|---|---|---|
| 831PNHT13BXX | 54mm | 13mm |
Advantages
Technical Specifications
Coupling Specifications
Back Body: Brass (MS 58)
Valve Body: Brass (MS 58)
Sleeve: Brass (MS 58)
Spring: Stainless Steel 301
Locking Ring: Stainless Steel 301
Locking Balls: Stainless Steel 301
coated) — Seals: FKM (PTFE
Plug Specifications
Plug Body: Brass (MS 58)
Working Limits
Working Temperature
-25°C to +200°C (Viton)
Working Pressure
15 Bar (safety factor 4:1)
Maximum static working pressure with safety factor 4:1
Interchangeability
Interchangeable With:
No interchangeables listed.
