(SV-S9A) （SV-S9L）ST.ST.304 SAFETY RELIEF VALVE MODEL: SV-S9A / SVP-S9A  WITHOUT LEVER MODEL: SV-S9L / SVP-S9L  WITH LEVER   When placing order, please indicate Working Pressure The features of low lift stainless steel safety valves for which the valve seat & disc are processed by lapping. The Disc can be replaced with PTFE for good effect of anti-leakage. (Model: SVP-S9A, SVP-S9L)