kunkle安全阀系列（Models 19, 19M, 20, 20M）

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Models 19, 19M, 20, 20M, 20MP, 200A,200H

Non-code Bronze Liquid Relief Valves

Model DescriptionsModel 19: Allbronze, equipped with handwheel for easy adjustment.Model 19M: Same asModel 19 except SS trim (seat and disc). (Available 2 1/2-inch and3-inch only). For higher pressure settings or severeapplications.Model 20: Allbronze, with pressure-tight cap. Suitable for maximum back pressureof 50 psig.Model 20M: Same asModel 20 except SS trim (available in 2 1/2-inch and 3-inchonly)(seat and disc). For higher pressure settings or severeapplications. Maximum back pressure of 50 psig.Model 20P: Same asModel 20 except with packed lift lever. Suitable for maximum backpressure of 50 psig.Model 20MP: Same asModel 20M except with packed lift lever. Maximum back pressure of50 psig.Model 200A: Specialnon-chattering design. Recommended for light oils and continuousbypass or pressure regulation. UL listed for light oil service.Available 3/4-inch through 1 1/2-inch sizes. Female NPT connectionsonly.Model 200H: Same asModel 20. UL listed for use with fuel oils. Available 3/4-inchthrough 2-inch sizes.Pressure and TemperatureLimitsModel 19, 20: 1 to300 psig -60° to 406°FModels 19M, 20M: 1to 500 psig -60° to 406°FModels 200A,200H: 10 to 200 psig -60° to 406°FApplicationsNon-Code liquid reliefOverpressure relief andprotection of pumps, tanks, lines and hydraulic systemsPressure regulationContinuous bypass reliefOptionsAvailable with optional femaleNPT inlet or flanged inlet and outlet connections.Male x Female NPT connectionsstandard.Female x Female connectionsavailable.Features andBenefitsInlet and outlet connectionsintegrally cast into body to permit easy inspection andservicing without disconnecting piping.Lapped beveledseats for optimum performance.Stainless SteelSpring for optimum corrosion resistance.Optional Flangeconnections availableModel DescriptionsModel 19: Allbronze, equipped with handwheel for easy adjustment.Model 19M: Same asModel 19 except SS trim (seat and disc). (Available 2 1/2-inch and3-inch only). For higher pressure settings or severeapplications.Model 20: Allbronze, with pressure-tight cap. Suitable for maximum back pressureof 50 psig.Model 20M: Same asModel 20 except SS trim (available in 2 1/2-inch and 3-inchonly)(seat and disc). For higher pressure settings or severeapplications. Maximum back pressure of 50 psig.Model 20P: Same asModel 20 except with packed lift lever. Suitable for maximum backpressure of 50 psig.Model 20MP: Same asModel 20M except with packed lift lever. Maximum back pressure of50 psig.Model 200A: Specialnon-chattering design. Recommended for light oils and continuousbypass or pressure regulation. UL listed for light oil service.Available 3/4-inch through 1 1/2-inch sizes. Female NPT connectionsonly.Model 200H: Same asModel 20. UL listed for use with fuel oils. Available 3/4-inchthrough 2-inch sizes.Pressure and TemperatureLimitsModel 19, 20: 1 to300 psig -60° to 406°FModels 19M, 20M: 1to 500 psig -60° to 406°FModels 200A,200H: 10 to 200 psig -60° to 406°FApplicationsNon-Code liquid reliefOverpressure relief andprotection of pumps, tanks, lines and hydraulic systemsPressure regulationContinuous bypass reliefOptionsAvailable with optional femaleNPT inlet or flanged inlet and outlet connections.Male x Female NPT connectionsstandard.Female x Female connectionsavailable.Features andBenefitsInlet and outlet connectionsintegrally cast into body to permit easy inspection andservicing without disconnecting piping.Lapped beveledseats for optimum performance.Stainless SteelSpring for optimum corrosion resistance.Optional Flangeconnections available