A27 Safety Valve, A27W-16T A27H-16C A27T-16 A27H-10 Spring Micro-Opening Safety Valve Air Tank Boiler Relief Valve

**A27 safety valve** is spring micro-opening safety valve with lifting wrench. **A27 safety valve** adopts external thread connection and manual lifting wrench for on-site stuck test. A27W-16T body HT200 grey cast iron with copper seal; A27H-16C body WCB carbon steel with Cr13 hard alloy seal; A27T-16 cast iron body copper seal; A27H-10 PN10, hard alloy seal. **A27 safety valve** suitable for compressed air, saturated steam, water, max temperature up to 200℃ depends on model. When pressure inside air compressor tank, small boiler or low pressure vessel exceeds set pressure, A27 safety valve opens automatically to release pressure and closes automatically when pressure drops to safe level, protecting pressure equipment. **A27 safety valve** widely used in air compressor tank, small steam boiler, heat exchanger and low pressure pipeline. A27 safety valve complies with GB/T12241, GB/T12242, GB, JIS, ASME standards, custom A27 set pressure available.