задвижка с упругим седлом

No groove design at the bottom of the valveprevents the leakage or damage caused bythe accumulation of the bs5163 задвижка с упругим седлом, this designalso has small resistance to the fluid.
Small torque when it is open and close.
No restriction torwards the fluid’s directionand no turbulence to the flow, it will also notreduce the pressure.
Simpler structure, better workmanship andshorter face to face dimension.
High-quality rubber covered on the surfacecan increase its flexibility and prolong its ser-vice life.