| Material | Copper |
| Surface treatment | Available with chrome/nickel plating as per customer requirements |
| Bottle neck thread | PZ27.8 |
| Outlet thread | W21.8-14 |
| Valve with safety pressure relief device | 200±15 |
| Straw thread | M10x1 |
This valve is suitable for carbon dioxide fire extinguishers rated between 2kg and 9kg. Constructed entirely from copper alloy, it can be customised to client specifications with surface treatments including chrome or nickel plating. Its critical safety feature is the integrated safety pressure relief device, which automatically activates at 200±15 bar to release internal pressure. This effectively prevents overpressurisation of the extinguisher and mitigates potential explosion risks.
Regarding connection specifications, the cylinder neck thread is PZ27.8, the outlet thread is W21.8-14, and the suction pipe thread is M10X1. This product has been meticulously designed to ensure operational effectiveness and safety in hazardous environments, making it an ideal choice for applications demanding high reliability. As a critical control component within fire suppression systems, it plays an indispensable role in managing fire emergency situations. Our valve products hold both EU CE certification and ISO 9001 quality management system accreditation, guaranteeing customers superior quality and dependability.