Fire Blocked Overflow-Proof Air Pressure Relief Breath Valve

Fire Blocked Overflow-proof air pressure relief breath valveProduct parameters Size 2 inchWorking temperature-20 to +50 degreematerialAluminum alloyPressure  0.5 - 0.8MpaWeight1kg  FeaturesAnti-fire , anti-overflowInstallation method flangeOEMAccpetMediumcompressed air    Product pictures  Company Certificates /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1