Vacuum Break valve      Vacuum Break Valve With Flame Arresting

DN L H 50 290 320 80 420 470 100 420 470 150 535 545 200 700 620 250 835 700 300 950 780   Body Material A3、Aluminum、 SS304、SS304L、SS316、SS316L ling Fire Arresting trim Material SS corrugated plate with flame arresting and anti-explosion Seal Material Asbestos、PTFE Flame arrester grade BS5501: ⅡA、ⅡB、ⅡC Ambient Temperature -30～+60 Operating pressure -295Pa～+98000Pa (-30mm H2O～+10000mm H2O)

Hydraulic Safety Valve

Body Material A3、Aluminum、 SS304、SS304L、SS316、SS316L Seal Material Asbestos、NBR、PTFE Ambient Temperature -30～+60 Operating pressure -392Pa～+1961Pa (-40mm H2O～+200mm H2O)   DN L H 80 220 424 100 500 605 150 650 705 200 900 755 250 1050 885

Emergency Vent Manhole Corer

DN L ￠ 450 370 658 500 380 608 600 480 808 700 540 907 750 600 955   Body Material A3、Aluminum、 SS304、SS304L、SS316、SS316L Seal Material Asbestos、NBR、PTFE Ambient Temperature -30～+60 Operating pressure -392Pa～+1961Pa (-40mm H2O～+200mm H2O)