Valves | Blowdown Valves | Quick Opening valves
Quick Opening valves


1"  1 1/4" 1 1/12"  2"

Class 300
ANSI B16.34
650 psi Working Steam Pressure @ 500F
750 psi @ 100F
100% Pressure Tested
Maximum Boiler Blow-Off Pressure 490 psi per Sec. 1 Table A-361
Threaded Ends
High Temp. Powder Coating for Corrosion Resistance
CRN OCO7135.2, 24, 25, 26
CRN OEO2171.7, 79, 70, 78,7AY, 7T, 7N

The United Brass quick opening boiler blow down valve has been designed for the rugged service of boiler treatment and scale. The cast steel knife gate valve conforms to Class 300 of ANSI B16.34 and features a stainless steel seat and disc hardened to Rockwell 60. ASME Boiler and Pressure Vessel Code Sections 1 PG-42.1.122 and Power Piping Code AS

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