Emergency Vent Cover

NOMINAL SIZE

– 16″, 18″, 20″, and 24″
– Other sizes or specifications are available upon
request.

CONNECTIONS

– API 650 Flange drilling(For 20″ & 24″ only)
– ASME 150Lbs Flange drilling
– KS/JIS 5K Flange drilling
– KS/JIS 10K Flange drilling

The basic model of Emergency Manhole Cover Vent
Emergency relief equipment for pressure relief only

Can be used as manhole cover for storage tank maintenance
Air-cushion pallet reduces the internal vapor leakage when normal
operating condition.
Teflon diaphragm of basic specification can minimize the possibility
of sticking due to solidification of Vapor condensate during long-term use.

▶ Consult our factory for special application.