United Brass Quick and Slow Opening Blowdown Valves In Stock

The 425 is a quick opening boiler blow off 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 Section 1 PG42.1.12 and Power Piping Code ASME B 31.1.

Details:

• 300 class

• 1"-2" inlet and outlet

• 650 WSP @ 500° F

• 750 PSI @ 100° F

• Maximum boiler blow-off pressure: 480 PSI

• 100% Pressure Tested

• Threaded Ends

• High tempature powder coating for corrosion resistance

The United Brass slow opening boiler blow off 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-42.1.12 and Power Piping Code ASME B 31.1.

Details:

• 1"-2" inlet and outlet
• 650 WSP @ 500ºF
• 750 psi @ 100ºF
• 100% pressure tested
• Maximum boiler blow-off pressure 480 PSI
• Threaded ends
• High temp. Powder coating for corrosion resistance
• CRN OCO7135.2, 24, 25, 26
• CRN OEO2171.7, 79, 70, 78, 7AY, 7T, 7N

*Contains lead. Not for use in water systems intended for human consumption*