Instrumentation Process Analyzer Condensed Catalog

NPR959 SeriesProduct Features & Benefits• Tied Diaphragm for addedsafety.• Unique patented compressionmember loads seal to bodywithout requiring a threadednozzle or additional seals toatmosphere.316L SS, NegativePressure Regulator• Metal-to-metal diaphragmto-bodyseal assures highleak integrity.• Cleaned for O2 serviceis standard.• Adjustment range spring maybe replaced without breakingdiaphragm seal to body andexposing the wetted area tocontamination.Operating ConditionsMaximum Inlet based on C v OptionCv 0.043,500 psig (240 barg)Cv 0.21,250 psig (86 barg)Outlet Option-25 in Hg - 0-30 psigTemperature-40°F to 150°F (-40°C to 65°C)Ordering InformationFunctional PerformanceFlow CapacityCv Options C v 0.04 (std) or C v 0.2Leak RateInternalExternalSupply PressureEffectCv 0.04Cv 0.2Bubble TightBubble Tight0.6 psig/100 psig1.5 psig/100 psig* For detailed information on Materials of Construction, visit us atwww.parker.com/veriflo to review the complete product literature sheet.1 2 3 4 5 6 7Sample: 959 30 S 4P OL 30 4 THFinished Order: 95930S4POL304TH321 RangeNPR959 = -25 in Hg 0 - 30 psig2Body MaterialS = 316L Stainless SteelH = Hastelloy C-22 ® Includes HastelloyC-22® body, diaphragm, compressonmember, poppet and Inconel® spring3Porting2P = 2 Ports No X required for gauges,inlet & outlet ports only3P = 3 Ports One X for gauge port4P = 4 Ports Two X’s for gauge ports4PB = 4 Ports One X for gauge port5P = 5 Ports Two X’s for gauge ports6P = 6 Ports Two X’s for gauge portsSee Regulator Porting Guide for additionaloptions and port layouts4Outlet GaugeV3 = -30 in Hg 0 - 30 psigV1 = -30 in Hg 0 - 100 psigX = No GaugeAdditional ranges available upon request5Inlet GaugeV3 = -30 in Hg 0 - 30 psigV1 = -30 in Hg 0 - 100 psigX = No GaugeAdditional ranges available upon request6 Port Style4 = 1/4” NPT FemaleAll Gauge Ports are 1/4” NPT Female7Optional FeaturesThis section can have multiple options2 = 0.2 CvDO = Dome LoadedPM = Panel MountR = Relief Valve 4PB, 5P and 6POnlyTH = Hastelloy Trim Availableon Stainless Steel body, only.Includes Hastelloy C-22®diaphragm, compresson member,poppet and screen with anInconel® springVESP = Vespel ® Seat Recommendedfor N 2 O Service