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Emergency Vent Cover


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


– 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.

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All pictures shown are for illustration purpose only. Actual product may vary. All specifications are subject to change without notice.

Product Code: SEA

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