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FISHER DN25 150LB

Technical Specifications Parameter Specification Nominal Diameter DN25 (1 inch) Pressure Class 150 LB (ANSI B16.5) Flange Type Raised Face (RF) - standard Max Working Pressure 285 psi @ 100°F (19.7 bar) Bolt Circle Diameter ≈ 3.25 inches (82.6 mm) - for 150LB RF flange Flange Thickness ≈ 0.56 inches (14.3 mm) - for 150LB RF flange Number of Bolts 4 - for 150LB DN25 flange Bolt Size 0.62 inch (15.7 mm) diameter

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The designation Fisher DN25 150LB describes key specifications for Fisher valves, indicating a 25 mm nominal diameter (1-inch) valve with 150-pound pressure class rating. This combination specifies a valve designed for 1-inch piping systems (per ISO standards) capable of handling pressures up to 150 psi at specified temperatures according to ANSI B16.5 standards. Valves with these specifications are engineered for general industrial service in process control applications involving liquids, gases, and steam, providing reliable performance in moderate pressure conditions.