- For releasing air from hot or cold water or glycol mains, hydronic heating and chilling systems, storage and processing tank filters, centrifugal pumps with specific gravity greater than 0.7
- Cast iron body and cover, stainless steel interior
- Maximum operating pressure 250 psig (17.3 bar)*
- Maximum hydrostatic pressure 350 psig (24.2 bar)
- Maximum temperature 300°F (149°C)
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