The manway, as the safety emergency ventilation device, is installed in the top tank. It is usually associated with fire damper and mechanical breathing valve, avoiding tank overpressure or vacuum due to accidents. Also it have to play safe fire protection. The manway cover is made of SS304 or SS316L
Material: SS304, or SS316
Body type: rectangular
Handle: spanner type or wheel type
Max. pressure: 0.2-1.0bar
Size: 235*185, 425*335, 535*435 mm
Neck height: 75mm, 100mm, 120mm, 150mm
Seal: Silicone, EPDM, NBR, FPM
Inside surface finish: 0.8μm- 0.4μm
Outside surface finish: Mirror polished, matte, sand blasting finished.
Application: Manway cover is mainly used for tank, pressure vessels in the fields of food, beverage, chemical etc.