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HDUSING 8< MANIFDLD INFD,
Single Station Houslngs (Sub-Plates) lllustrated on Spec. Sheet No. 1200706, S8542-*» Group. Also see Web Sheet S8542 at www.doerlng.con, Choose from Alumlnum or Stainless materlals. Multl Station and Custom Houslngs or Manlfolds also available.
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Pllot operated cartridge check valve. Normally open. Pllot to close passage between ports one and two.
Valve wlll also functlon as a Pllot Operated Relief valve. See notes regardlng pllot pressure.
Cavlty C-8542, 5,000 PSI Port 1, 3,000 PSI Port 2
Pllot Pressure Range, 50 PSI Min. to 5000 PSI Max. Pllot minimum may be lower If valve Is used as a pllot operated relief valve.
Fluld température -45*F, C42.7*C> to 200T, <93.3*C>
Install Cartrldge valve uslng Y wrench
Valve should screw In freely to the Mount Seal.
Final tlghtenlng to 20 foot pounds torque.
Use lubrlcant on external oll seals and nountlng
threads.
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<X)See Pllot Port Options
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CAVITY INFO.
Cavlty C-8542 (Industry 10-2) Forn Tooli FT-6542 Call for source Infornatlon. Référence Cavlty Spec. Sheet No. 1200023 or Web Sheet C-8S42 at «ww.doerlng.con
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Soft Seat Dnlyi Pressure Drop/Flow Chart. □riflce 0.24 <Cv 0.7)
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KEY
1. No. 1 working port
2. No. 2 working port
3. Seat, Heat Treated Stainless
4. Poppet, Heat Treated Stainless
5. Poppet Spring, Stainless Steel
6. Seat Saver Piston Assembly
7. Vent Port <2 Places)
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13:1 PILDT RATIQi
Area of pllot piston is 13 X larger than seQt area. To deternine Minimum Pllot pressure requlred, follow thèse stepsi
<1> Multlply the maximum possible System pressure X 1.1 = SM ( System Max. ) (2) Dlvlde SM by 13 = MP < Min. Pllot >
Notei MP Is minimum pllot pressure needed for normally open / pllot to close valve functlon. If pllot pressure falls below MP, the valve wlll functlon as a pllot operated relief valve.
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Harol Seat Dnlyi Pressure Drop/Flow Chart. □rlfice 0.28 <Cv 1.0) 150 PSI
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Illustration Showsi 904E9541300
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CARTRIDGE VALVE DRDERING INFORMATION:
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SEAT OPTIONS BLANK = HARD SEAT B = BUBBLE TESTEE E = TEFLON SOFT SEAT
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SEAT CRACK SPRING OPTIONS 00 = NO SPRING 03 = STAINLESS STEEL 25 = STAINLESS STEEL
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Check Valve, Nornally Open, Pllot to Close
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