Technical Data Low Lift Safety Valves Material: Body- Cast Bronze; Valve Seat- Brass, PTFE Soft Seat available Orifice Size; të”(15mm), 3/4"(20mm), r(25mm), lW’(32mm), H6"(40mm), 2”(50mm) Working Pressure; 0.3-10 kgf/cm2 (4.3-150 psig) (Brass Seat); 2-10 kgf/cm2 (28-150 psig) (Brass Seat & PTFE Soft Seat are available); 11-20 kgf/cm2 (156-285 psig) (Brass Seat & PTFE Soft Seat are available) 21-30 kgf/cm2 (298-426 psig) (Brass Seat) Working Température: -45°C~+185°C Working Fluid; Please refer to the table of "General Material List"