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TECHNICAL SPECIFICATIONSTABLE 1APPLICATIONSFluid Recommended Construction Trim Designation NumberAir, Inert or Industrial Gases,Hydrocarbons, Chemicals,Water and CondensateMetal Seat and Diaphragm S1TABLE 2DESIGN PRESSURE –TEMPERATUREMATERIAL SPECIFICATIONSMaterial SpecificationsPressureTemperature(Body / Spring Chamber)Description (Abbr.) ASTM No. psig (Barg) °F (°C)CS/CSSST/CSA216 Gr.WCBA351 Gr.CF8M/A216 Gr.WCB1500 (103.4) -20 to +450 (-29 to +232)TABLE 3MAXIMUM ALLOWABLE PRESSURE DROPSFluidLiquidGas1Non-cavitating.Maximum Recommended Operating Pressure DropClean FluidIndustrial QualityUnclean FluidPipeline QualitySeat Designpsid (Bard) psid (Bard)Standard600 (41.4) 400 (27.6)960 1 (49.7) 600 1 (41.4) 1 Opt-12+15 Stellited960 (66.2) 600 (41.3) Standard960 (66.2) 960 (66.2) Opt-12+15 StellitedTrim DesignationNumberS14 6987-TB
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