United Brass Works 903 High Pressure Lower Gauge Fixture Valve
The United Brass Works 903 High Pressure Lower Gauge Fixture Valve is a 1/2-inch lower boiler gauge valve designed for water-level monitoring in steam boiler and industrial sight-glass applications. The valve incorporates a stainless-steel ball check that helps restrict flow automatically if the gauge glass is damaged.
Rated for 250 WSP at temperatures up to 406°F, the Model 903 features rising-stem operation and an offset design for dependable boiler service. It complies with ASME B31.1 and ASME Boiler Code Section I, PG-60 Appendix A-18. The 903 is commonly paired with the Model 902 upper gauge fixture valve and is also used as part of the United Brass Works Model 34041 high-pressure boiler gauge fixture set.
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