Bleed Valves and Purge Valves Bleed Valves: Working pressures up to 10 000 psig (689 bar); Temperatures up to 850°F (454°C); 316 stainless steel, carbon steel, or alloy 400 materials. Purge Valves: Working pressures up to 4000 psig (275 bar); Temperatures up to 600°F (315°C); 316 stainless steel, brass, or carbon steel materials 美国世伟洛克吹扫阀、排气阀和放气阀 排气阀:工作压力为10 psig 000(689条);温度高达850°F(454°C);316不锈钢,碳钢,合金400材料。清洗阀:工作压力可达4000 PSIG(275条);温度高达600°F(315°C);316不锈钢,黄铜,或碳钢材料