Data Sheet P-Series Explosion Proof Pressure Switches

Data SheetP-Series Explosion Proof Pressure SwitchesFEATURES Precision SPDT snap-acting micro switch Setpoint adjustable from 15-100% of range Single or dual adjustable set points Fixed or adjustable deadband Wide selection of switch elements Fixed or adjustable deadbandTYPICAL USES Refineries Chemical and Petrochemical Plants Steel Mills Water and Sewage Treatment Plants Pumps, Compressors and Turbines Boilers and Burners Reverse Osmosis Systems and FiltersP-SeriesExplosion-Proof EnclosureDifferential Pressure SwitchP-SeriesExplosion-Proof EnclosureSPECIFICATIONSSet Repeatability 1% of span (Additional setpoint shift of 1% of range per 50 F from initial setpoint(Accuracy):set at 70 F typical)Switch Type:SPDT or 2 SPDT with independent setpointsSetpoint:Single setpoint, fixed deadbandSingle setpoint, adjustable deadbandDual independent setpoints, fixed deadbandDeadband:Fixed or adjustable deadbandEnclosure Ratings:NEMA 7 & 9, IP66Enclosure Material:Epoxy coated aluminumProcess Connection:1/4 NPT Female, 1/2 NPT Female,1/4 NPT Female and 1/2 NPT Male CombinationElectrical Termination: ¾ NPT FemaleAPPROVALSExplosion Proof:UL, CSAStandard:CLASS I DIV 1 GROUPS B, C, & DCLASS II DIV 1 GROUPS E, F, & GCRNKEY BENEFITS Epoxy-coated aluminum enclosures provideadded protection in harsh environments Dual chamber design provides safe setpointadjustment even with power connected Designed for use in wide range of applications Easily configurable to meet your applicationrequirements Hermetically sealed micro switches offerimproved reliability and safety (UL Class I Div IIapproval)WETTED COMPONENTSProcess Connection:Actuator SealPressure Switches Differential Switches316L SS or Monel Nickel plated brass orfor psi rangesBuna-N , Teflon , Viton ,316L SS for psid rangesEpoxy coated carbon Epoxy coated carbon316L SS, or Monel steel or 316L SS forsteel or 316L SS forIW rangesIWD ranges1 of 5All specifications are subject to change without notice.ashcroft.comAll sales subject to standard terms and conditions.info@ashcroft.com 2021 Ashcroft Inc. p press switch ds RevD 02-19-211.800.328.8258

Data SheetP-Series Explosion Proof Pressure SwitchesORDERING CODEExample:PPSN7GS25X6B100#Enclosure – Pressure SwitchPPSN7 - Single setpoint, fixed deadband, N7-NEMA 7 & 9, IP66,PPSN7explosion proof Div, 1 & 2PPDN7 - Two independent adjustable setpoints, fixed deadband, N7-NEMA 7 & 9, IP66,explosion proof Div, 1 & 2PPAN7 - Single setpoint, adjustable deadband, N7-NEMA 7 & 9, IP66, explosion proof Div, 1 & 2Enclosure – Differential Pressure SwitchPDSN7 - Single setpoint, fixed deadband, N7-NEMA 7 & 9, IP66, explosion proof Div, 1 & 2PDDN7 - Two independent adjustable setpoints, fixed deadband, N7-NEMA 7 & 9, IP66,explosion proof Div, 1 & 2PDAN7 - Single setpoint, adjustable deadband, N7-NEMA 7 & 9, IP66,explosion proof Div, 1 & 2Switch Elements For Single Setpoint with Adjustable Deadband - UL/CSA ListedH - General purpose, 10A - 125/250 Vac. 1 2 A, 125Vdc, 1 4 A, 250VdcJ - Hermetically sealed, general pupose - 11A, - 125/250 Vac, 5A, 30VdcSingle/Dual Switch Setpoint with Fixed Deadband - UL/CSA ListedC/CC - Heavy duty ac, 22A - 125/250 VacE/EE - Manual reset acutates on decreasing pressure 15A, 125/250 Vac 6A, 130 Vdc (no hazardous approval)F/FF - Sealed environment proof, 15A - 125/250 Vac. (estimated dc rating - 4A, 28Vdc, not UL listed)G/GG - General purpose, 15A - 125/250/480 Vac, 1 2 A - 125 Vdc, 1 4 A - 250 Vdc (not listed at 480 Vac)GH/HH - General purpose, 10A - 125/250 Vac 10A, VdcJ/JJ - Hermetically sealed switch, general purpose, 11A, 125/250 Vac, 5A, 30 VdcK/KK - Narrow deadband, 15A - 125/250 Vac. (estimated dc rating, 0.4A, 120 Vdc, not UL listed)L/LL - Hermetically sealed switch, gold contacts, 1A - 125 VacM/MM - Low level (gold) contacts, 1A - 125 VacP/PP - Hermetically sealed AC - 5A, 125/250 Vac. (estimated dc rating - 2.5A, 28Vdc, not UL listed)S/SS - Heavy duty dc, 10A - 125 Vac or dc, 1 8 HP - 125 Vac or dc.U/UU - Manual reset actuates on increasing pressure 15A, 125/250 Vac, 6A, 130Vdc (no hazardous approval)Y/YY - High temperature 300 F (148 C) ambient, 15A, 125/250 VacW/WW - Ammonia service - 5A, 125/250 Vac, 6A, 30 VdcActuator SealTemperature LimitsMaterialB - Buna-N V - Viton Ambient-20 F to 150 F-20 F to 150 FProcess0 F to 150 F20 F to 300 FT - Teflon -20 F to 150 F0 F to 150 FS - 316L SS-20 F to 150 F20 F to 300 FP - Monel -20 F to 150 F20 F to 300 FNot available in vacuum, & inches of water ranges orpressures above 1,000 psiNot available in vacuum, & inches of water ranges orpressures above 1,000 psiSProcess Connections25- 1 4 NPT Female2506- 1 4 NPT Female and 1 2 NPT Male combination07- 1 2 NPT FemaleOptions - Select from Table 4 on page 4 (If choosing an option(s) must include an “X’’)6B - Cleaned for oxygen service (NA w BUNA-N actuator seal)X6BPressure Range (select from pressure range tables on page 3)100# - 100 psi100#2 of 5All specifications are subject to change without notice.ashcroft.comAll sales subject to standard terms and conditions.info@ashcroft.com 2021 Ashcroft Inc. p press switch ds RevD 02-19-211.800.328.8258

Data SheetP-Series Explosion Proof Pressure SwitchesTABLE 1 - PRESSURE/VACUUM RANGESApproximate Deadband Switch Element for Buna-N DiaphragmSee multiplier TABLE 3 for additional material multipliersOverpressureRatingsNominal RangesPPAPPSPPDSwitch ElementProofpsiMinimumBurst psiJ, HGJ, HK, FPGGJJ, HHKK, FFPPVacuum30IMV–760mmHg-100 0mmHg/1.0 kg/cm2-100 kPa100 .23-52-42.5-4.51.31-20.5-11-2.50.5-1. 230IW750mmH2O7.5 260IW1,500mmH2O15 .31-2100IW2,500mmH2O25 0mmH2O37 5#1.0 kg/cm2100 1.230#2.0 kg/cm2200 .5-1.50.5-1.560#4.0 kg/cm2400 kPa5001,5005-542-44-71-21-2.52-44-71-21-2.5100#7.0 kg/cm2700 0#214 kg/cm1,400 8400#28 kg/cm22,800 -15600#42 kg/cm24,200 56-251000#70 kg/cm²7,000 0-1607-3010-852000#140 kg/cm²14,000 5-200150-35020-5025-1103000#210 kg/cm21,000 TABLE 2 - DIFFERENTIAL PRESSURE RANGESOverpressureRatingsNominal RangesStaticpsiMinimumProof psiApproximate Deadband Switch Element for Buna-N Diaphragm See multiplier TABLE 3 for additional material multipliersPDAPDSPDDSwitch ElementJ, HGJ, HK, FPGGJJ, HHKK, FFPPDifferential 181.5-32-630#D1.0 0.5-1.260#D2.0 0.5-1.50.5-1.5100#D7.0 4200#D214 5-8400#D28 -85-15TABLE 3 - DEADBAND MULTIPLIER TABLEDiaphragm MaterialMultiplyBuna-N 1.0Viton 1.4Teflon 1.7316 SS1.7Monel 1.7NotesMultiplier table for additionaldiaphragm materialsNot applicable for adjustabledeadband units PPA, PDA3 of 5All specifications are subject to change without notice.ashcroft.comAll sales subject to standard terms and conditions.info@ashcroft.com 2021 Ashcroft Inc. p press switch ds RevD 02-19-211.800.328.8258

Data SheetP-Series Explosion Proof Pressure SwitchesTABLE 4 - PressurepsidinH2OCHChained cover FPFungus proofing FSFactory adjusted setpoints (Supply static pressurefor D/P switches) G9Fire safe actuatorHSHigh static operating pressure for psi range D/PHYHydrostatic testingHigh operating pressure for inH2O ranges40 psi Static (Pressure and D / P)100 psi Proof (Pressure)160 psi Proof (D / P) HXSS and Monel Actuator only 15# & 30# with B or V actuator seals only JL3/4 to 1/2 Reducing bushing K3Terminal blocks LE6ft Wired leads MANACE (MR-01-75) MDMetric range on label NHTagging SS PM3/4 Sealed conduit connection with 16 lead wires TATM316 SS pressure connection for H2O ranges2 Pipe mounting bracketUD316 SS Pressure Connection for psid rangesC4Calibration chart C8CSA approval D2Dual seal rating 6BCleaned for oxygen service Notes Only with Monel actuator seal Standard on models with S actuator seal Must order with XC8N/A with BUNA-N actuator seal4 of 5All specifications are subject to change without notice.ashcroft.comAll sales subject to standard terms and conditions.info@ashcroft.com 2021 Ashcroft Inc. p press switch ds RevD 02-19-211.800.328.8258

Data SheetP-Series Explosion Proof Pressure SwitchesDIMENSIONS in [ ] are millimetersFor reference only, consult Ashcroft for specific dimensional drawings.PRESSURE SWITCH – PSI RANGESPRESSURE SWITCH – INCHES OF WATER Ø 3.86[98.0]3.72[94.6]5.50[139.7]Ø 3.86[98.0]2.60[66.0]2.60[66.0]¾ NPTFTYP2.30[58.4]4.03[102.3]¾ � NPTM¼ NPTFØ 5.13[130.3]Ø 2.31[58.7]7.93[201.4]1.11[28.1]0.75[19.1]¼ NPTFDIFFERENTIAL PRESSURE SWITCH –DIFFERENTIAL PRESSURE SWITCH –PSI DIFFERENTIAL RANGESINCHES OF WATER RANGES4.03[102.3]Ø 3.86[98.0]5.04[128.0]¾ NPTFTYP5.04[128.0]4.03[102.3]Ø 3.86[98.0]Ø 3.86[98.0]¾ 2.34[59.4]¼ NPTFØ 5.13[130.3]¼ NPTF LOWPRESSURE PORT0.82[20.7]¼ NPTF2.34[59.4]¼ NPTF HIGHPRESSURE 8.1]Ø 2.31[58.7]5 of 5All specifications are subject to change without notice.ashcroft.comAll sales subject to standard terms and conditions.info@ashcroft.com 2021 Ashcroft Inc. p press switch ds RevD 02-19-211.800.328.8258

H/HH - General purpose, 10A - 125/250 Vac 10A, Vdc J/JJ - Hermetically sealed switch, general purpose, 11A, 125/250 Vac, 5A, 30 Vdc K/KK - Narrow deadband, 15A - 125/250 Vac. (estimated dc rating, 0.4A, 120 Vdc, not UL listed) L/LL - Hermetically sealed switch, gold contacts, 1A - 125 Vac M/MM - Low level (gold) contacts, 1A - 125 Vac