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

Incorporates a vacuum relief, and enables pressure and vacuum
relief when emergency condition.
Designed to open the valve and enable to flow external air when
excessive vacuum over setting value is generated in the storage tank.
Air-cushion pallet reduces the vapor leakage from storage tank

Drilling conforming to API 650, ASME B 16.5 for class 150 flanges,
or KS/JIS 5K/10K flanges
Can be used as a secondary safety device against Breather Valve failure
so used to protect the storage tank from danger that may occur.

▶ Consult our factory for special application.