FT Pro 1/4" NPT Relief Valve 20 Psi

All Series 1784 Valves are factory pre-set and sealed to prevent tampering. Manufactured under regulations of The National Board of Boiler & Pressure Vessel Inspectors in accordance with Section VIII of the ASME Code covering valves for pressure vessels. Pre-set pressure relief valves are precision manufactured to protect against equipment damaged or personal injury that may result from dangerous pressure build-up. Automatically vents at selected pressure. Automatically resets when pressure returns to ‘normal’. Brass body with stainless steel internal components. No Test Certs available