安全阀kunkleModels 91, 218, 228 专业代理

Models 91, 218, 228

Cast Iron Liquid Relief Valves

Model DescriptionsModel 91: Bronzetrim, with pressure-tight cap. Suitable for maximum back pressureof 60 psig.Model 218: Bronzetrim, UL and FM approved for fire pump installations. Specialdesign offers minimum set pressure of 60 psig. Easily adjustablewith handwheel to 200 psig (175 psig with optional 125# inletflange).Model 228: Bronzetrim, with pressure-tight cap. UL and FM approved for fire pumpinstallations. Suitable for maximum back pressure of 60 psig.Pressure and TemperatureLimitsModel 91: 5 to 400psig -20° to 406°FModels 218, 228: 60to 200 psig -20° to 406°FFurnished standard with ANSI ratedB16.1 - 250# inlet flange and ANSI B16.1 - 125# outlet flange.

ApplicationsFire Pump Service, UL and FMapproved. (Models 218, 228)Overpressure relief andprotection of pumps, tanks, lines and hydraulic systems.Pressure regulating.OptionsSS trim. (insert and disc)(Variation 02)Female x Female NPTconnections. (1 1/2-inch through 4-inch sizes)Inlet and outlet flanges perANSI B16.34, 1-inch - 125#. Limited to 175 psig maximum setpressure.Features andBenefitsBoltedbonnet permits easy inspection and servicing withoutremoval from system.Quality cast iron body andbonnet, insert and disc are available in either bronze orStainless Steel and lapped for optimum performance.Springs are steel withplating for corrosion protection.High lift, wing-guideddisc offers high relieving capacity. Pivot between discand spring corrects misalignment and compensates for spring sidethrust.