PV11 1/2” Pneumatic Adjustable Bypass Valve Product Overview The PV11 Adjustable Bypass Valve is designed for use in ultrapure water applications The design utilizes a molded high purity PFA body with precision machined seats A machined modified PTFE diaphragm is also utilized for excellent flexibility and life The integral bypass valve prevents the stagnation and deadheading of media in an ultrapure water system Features Precision machined diaphragm manufactured from the latest technology modified PTFE Provides over five times the flexural life as compared to conventional PTFE Tongue and groove seat and diaphragm for positive through flow shut off and diaphragm to body seal PVDF coated stainless steel spring Bypass integral to valve body to prevent stagnation of ultrapure water Modified flow configurations with numerous end connections including Parflare available Benefits High cycle life Lower replacement costs Less downtime Reduces effects of corrosive environment Prevents contamination of media Reduces connections mounting space and overall cost Specifications Materials of Construction Wetted: PFA Modified PTFE Nonwetted: PFA PVDF Viton seals PTFE coated SS springs 42 Pressure Ranges Forward: 27” HG vaccum (913 mbar) to 80 PSIG (55 bar) with 20 PSIG (14 bar) maximum back pressure Backward: 27” HG vacuum (913 mbar) to 80 PSIG (55 bar) with 50 PSIG (34 bar) maximum back pressure Actuator: 60 PSIG (42 bar) to 100 PSIG (7 bar) Pressure ranges for operation at ambient temperatures For use at higher temperatures consult Pressure/Temperature chart on page 3 Temperature Ranges Ambient: 0° 150° F (17° 66° C) Fluid: 0° 266° F (17° 130° C) Parker Hannifin Corporation Partek Operation Tucson AZ

454 [11542] 182 [4620] 165 MAX [4197] AIR PORT CONNECTION 1/8” FNPT TEST PORT CONNECTIONS 1/428 UNF BRACKETED DIMENSIONS ARE IN mm L PARF PV11 1/2” Pneumatic Adustable Bypass Valve AR " E 2 F 1 / P V D 128 [3247] 256 [6510] 318 [8087] 1/2" PARFLARE Ø 293 [Ø 7442] 43 INLET NC Ø1636 [4155] NO 2X Ø 26 [Ø 660] MOUNTING DETAIL OUTLET 158 [4018] 288 [7303] NO 57 [1440] 201 [5093] 3/4" PARFLARE 1/2" FNPT Model Number Cv Kv Flow Configuration Port Configuration PV11301 1 9 27 1 1/ 2" Parflare PV11302 2 8 40 0 NC 3/ 4" Parflare PV11305 2 8 40 0 1/ 2" FNPT Parflare models are supplied with PVDF nuts For PFA nuts add T to model number DELTAP (psi) 24 20 16 12 8 4 0 5 PRESSURE DROP VS FLOW RATE FLOW RATE (lpm) 19 38 57 76 95 113 165 10 15 FLOW RATE (gpm) 20 1/2" Parfare All Other Configurations 25 30 140 112 84 56 28 DELTAP (bar) Cv 12 10 08 06 04 02 0 06 Cv / Kv vs TURNS FOR BYPASS PORT 12 18 TURNS 24 All Configurations 30 36 Parker Hannifin Corporation Partek Operation Tucson AZ 171 143 114 86 57 29 Kv