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1.1 This specification covers self-contained, internally operated, globe style, pressure-reducing valves for use in steam service. In these valves, the downstream pressure feedback is sensed by a spring-loaded diaphragm to position a pilot valve-the pilot valve uses the inlet steam pressure to position the main valve plug via an operating piston.
Standard Specification for Structural Clay Non-Load-Bearing Tile..
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Standard Test Methods for Chemical Analysis of Gypsum and Gypsum Products [Metric]..
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Standard Test Method for Apparent Viscosity of Hydrocarbon Resins at Elevated Temperatures..
Standard Specification for Chemical-Resistant Resin Mortars..