Transcription of Safety Relief Valves, Model 537 - kunklevalve.company
1 KunKle Model 537 Safety Relief valveSafety and Relief productSFeatures extra heavy construction helps provide long life. top guided disc assembly incorporates resilient seal in seating area. isolating diaphragm protects working parts from corrosion caused by discharged liquid. Pivot between disc and spring designed to correct misalignment and compensates for spring side thrust. Heavy duty lift lever. tested and inspected for pressure setting and applicationthese valves serve the dual purpose of relieving overpressure created by thermal expansion under normal firing conditions and overpressure in the form of water or steam created in over-firing due to failure of electrical or other controls on hot water boilers, heat exchangers and generators.
2 VctDs-00388-en 16/04technical DataConnections: fNPttemperature range: -20 to 250 f (-29 to 121 C)Pressure range: 15 to 160 psig ( to 11 barg)Code: asMe iva Safety Relief valve that meet asMe section iv, Hv , for low pressure hot water boilers and is National Board 2017 Emerson. All rights 1 15/161 6 21 1 1 5/162 7 51 2 1 2 5/1610 122 2 2 3 9/1611 22 KunKle Model 537 Safety Relief valveSafety and Relief productSMoDel nameMaterials1 Body[1]2seat o-ringNBr[2]3seatBronze, B584 alloy 84400[2]4disc holderBrass, B16[3]insertethylene propylene (ePdM)diaphragmNBr/nylonGuideBrass, B36 alloy C26000[4]lock nutBrass, B165screwss6springss, a313-6317 Bonnet[1]8spring stepBrass, B169 Compression screwBrass, B1610leversteel, zinc plated11seal and wirelead seal and ss wire12lift washer nutss13lift washerss14stemss, a479-316spring pinssdisc locknutBrassnotes1.
3 And 1 : bronze, B584 alloy 84400. 1 and 2 : cast iron, a126 class " and 1" sizes have an integral seat. 1 " and 2" sizes have an insert seat above a NBr o-ring body 1 " size: brass, B283 alloy 37700. 2" size: bronze, B584 alloy " size: brass, are for reference , inWeight (lb)inletoutlet aBc3156906902781079107880222882288408406 9406914420812811962126912689762692269181 3478647864613010551055329164916493233499 3498623622162210954012991298696203020296 7043054305434765676557295015421542064241 0241001751125112244909090903636017851785 4312790279036459195919055105251052499770 2029202879831713170711672667258651196011 9596318022722272165355135510587533753267 6133941339426590251625155333931393140583 3983394861482914828899100275927589004312 4311752914691462961626416263533110300230 0226746924692098995399531071769817698167 1203246324563450725072445107601075991719 1331913280112533673367318526352626191116 3111633231985019850119130348934890025453 5452792115671156672820567205674361403732 3732369583358331391237412373538220022200 2070150397639757366213621348613180131803 4923437234367041604219421910365946593833 13987139871592487124871338 KunKle Model 537 Safety Relief valveSafety and Relief productScapacitiesasMe section iV steaM (hot water boiler) set pressure (psig) orifice area, in2 1 1 2 ( in2)( in2) ( in2)( in2)lb/hBtu/hlb/hBtu/hlb/hBtu/hlb/hBtu/h 4 KunKle Model 537 Safety Relief valveSafety and Relief productSselection GuiDeexample:0537-D01-hM0160 Model0537connection sizeD " inlet x 1 outlete 1" inlet x 1 outletG 1 " inlet x 2 outleth 2" inlet x 2 outletVariation01 Catalog standardDesign revisionindicates non-interchangeable revision- original design (connection sizes e, G and H)a revision a (connection size d)serviceh steam asMe section iv - hot waterspring materialM sstset pressure0015 15 psig0160 160 psig 2017 Emerson.
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