A27W-16T A28W-16T All Brass Safety Valve, Spring Loaded External Thread Safety Valve With Wrench, A27W Micro-Lift A28W Full Lift for Air Compressor Tank Boiler Steam Relief Valve

**A27W-16T and A28W-16T all brass spring safety valve**. Both adopt external thread connection with manual lifting wrench. Valve body is Hpb59-1 brass. W means sealing surface machined directly from valve body, nominal pressure PN16.A27W-16T is **spring micro-lift type**, small lift stroke, suitable for water, compressed air. A28W-16T is **spring full-lift type**, fully open after popping, large discharge capacity, ideal for saturated steam and compressed air. Max working temperature ≤200℃.When pressure inside air receiver, small boiler or pressure vessel exceeds set pressure, safety valve opens automatically for pressure relief and reseats automatically when pressure drops to protect pressure equipment. TS special equipment manufacturing license available, factory certificate supplied, third-party inspection supported. **A27W-16T A28W-16T all brass safety valve** widely used in air compressor tank, small steam boiler, heat exchanger and low pressure pipeline. Complies with GB/T12243, GB, JIS, ASME available, custom set pressure.