Shanghai Valve Factory (SVF) Co. Ltd
- Home
- Companies
- Shanghai Valve Factory (SVF) Co. Ltd
- Products
- SVF - Model ASME I Series - Safety ...
SVF - Model ASME I Series -Safety Valve
It`s used at power boiler, once-through boiler, reheater, superheater, and other steam equipment as overpressure protection device. It adopts double adjusting rings and back pressure jacket to adjust reseating pressure to achieve tiny blowdown, and elastic valve clack can ensure sealing performance at high temperature.
Most popular related searches
Design and manufacture standard:
- Design standard: ASME I
- Structure length: Factory logo
- Inside nominal diameter: 1 1/2
- Pressure ranse: 300LB-4500LB
- Valve clack is elastic clack.
- The valve has two adjusting rings, the guide sleeve adjusting ring and the valve seat adjusting ring, through which the overpressure and blowdown of safety valve can be adjusted.
- Radiator, guide sleeve and valve clack seat forms the backpressure cavity, and the pressure in the backpressure cavity can be adjusted through backpressure cavity adjusting nut so as to change the blowdown of valve.
- Bonnet is open-type bonnet, which reduces the ambient temperature of spring.
- A radiator is provided between valve body and bonnet to prevent steam from contacting with spring, thus reducing the temperature of spring.