Lifting check valve ZETKAMA 277A-020-C-31, DN020, PN16, body - cast iron GJL-250 (GG25), BP/BP, BSPT thread

The check valve 277A can be installed both vertically and horizontally. The main requirement is the coincidence of the flow and the arrow on the valve body. The valve has a metal-on-metal saddle seal. On request, it is possible to manufacture this model without a spring.

The valve type is lifting.

The valves do not require maintenance. Periodic visual monitoring of the valve operation for leaks is sufficient.

Diameter from DN15 to DN50
Operating pressure PN16

Valve Metarials:
Body material - cast iron DIN GG25
The material of the locking device is stainless steel
Seal material - metal/metal

Connection type - thread/thread
The maximum temperature of the working environment is +200°C