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  • E n g i n e e r i n g O p e r a t i o n &M a i n t e n a n c eOriginal Series METAL Pumps

    P8/PX8

    S i m p l i f y y o u r p r o c e s s

    WIL-10320-E-04REPLACES WIL-10320-E-03

  • T A B L E O F C O N T E N T S

    SECTION 1 CAUTIONSREAD FIRST! . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

    SECTION 2 WILDEN PUMP DESIGNATION SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

    SECTION 3 HOW IT WORKSPUMP & AIR DISTRIBUTION SYSTEM . . . . . . . . . . . . . . . .3

    SECTION 4 DIMENSIONAL DRAWINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

    SECTION 5 PERFORMANCEA. P8 Performance Curves

    Rubber-Fitted . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

    TPE-Fitted . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

    PTFE-Fitted . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

    Ultra-Flex-Fitted . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

    B. PX8 Performance

    Operating Principal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

    How to Use this EMS Curve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

    Performance Curves

    Rubber-Fitted . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

    TPE-Fitted . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

    PTFE-Fitted . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

    Ultra-Flex-Fitted . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

    C. Suction Lift Curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18

    SECTION 6 SUGGESTED INSTALLATION, OPERATION & TROUBLESHOOTING . . . . . . . 19

    SECTION 7 ASSEMBLY / DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22

    SECTION 8 EXPLODED VIEW & PARTS LISTINGP8 Metal

    Rubber/TPE/Ultra-Flex-Fitted . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30

    PTFE-Fitted . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32

    PX8 Metal

    Rubber/TPE/Ultra-Flex-Fitted . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34

    PTFE-Fitted . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36

    SECTION 9 ELASTOMER OPTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38

  • WIL-10320-E-04 1 WILDEN PUMP & ENGINEERING, LLC

    CAUTION: Do not apply compressed air to the exhaust port pump will not function.

    CAUTION: Do not, under any circumstance loosen the set screw located at the adjuster dial of the Pro-Flo X pump. If the set screw is loose when the pump is pressurized, it could eject and cause injury to anyone in the area.

    CAUTION: Do not over-lubricate air supply excess lubrication will reduce pump performance. Pump is pre-lubed.

    TEMPERATURE LIMITS: Neoprene 17.7C to 93.3C 0F to 200F Buna-N 12.2C to 82.2C 10F to 180F Nordel 51.1C to 137.8C 60F to 280F Viton 40C to 176.7C 40F to 350F Sanifl ex 28.9C to 104.4C 20F to 220F Polytetrafl uoroethylene (PTFE) 4.4C to 104.4C 40F to 220F Polyurethane 12.2C to 65.6C 10F to 150F Tetra-Flex PTFE w/Neoprene Backed 4.4C to 107.2C 40F to 225F Tetra-Flex PTFE w/Nordel Backed -10C to 137C 14F to 280F

    NOTE: Not all materials are available for all models. Refer to Section 2 for material options for your pump.

    CAUTION: When choosing pump materials, be sure to check the temperature limits for all wetted components. Example: Viton has a maximum limit of 176.7C (350F) but polypropylene has a maximum limit of only 79C (175F).

    CAUTION: Maximum temperature limits are based upon mechanical stress only. Certain chemicals will signifi cantly reduce maximum safe operating temperatures. Consult Chemical Resistance Guide (E4) for chemical compatibility and temperature limits.

    WARNING: Prevention of static sparking If static sparking occurs, fi re or explosion could result. Pump, valves, and containers must be grounded to a proper grounding point when handling fl ammable fl uids and whenever discharge of static electricity is a hazard.

    CAUTION: Do not exceed 8.6 bar (125 psig) air supply pressure.

    CAUTION: The process fl uid and cleaning fl uids must be chemically compatible with all wetted pump components. Consult Chemical Resistance Guide (E4).

    CAUTION: Do not exceed 82C (180F) air inlet temperature for Pro-Flo X models.

    CAUTION: Pumps should be thoroughly fl ushed before installing into process lines. FDA and USDA approved pumps should be cleaned and/or sanitized before being used.

    CAUTION: Always wear safety glasses when operating pump. If diaphragm rupture occurs, material being pumped may be forced out air exhaust.

    CAUTION: Before any maintenance or repair is attempted, the compressed air line to the pump should be disconnected and all air pressure allowed to bleed from pump. Disconnect all intake, discharge and air lines. Drain the pump by turning it upside down and allowing any fl uid to fl ow into a suitable container.

    CAUTION: Blow out air line for 10 to 20 seconds before attaching to pump to make sure all pipeline debris is clear. Use an in-line air fi lter. A 5 (micron) air fi lter is recommended.

    NOTE: When installing PTFE diaphragms, it is important to tighten outer pistons simultaneously (turning in opposite directions) to ensure tight fi t. (See torque specifi cations in Section 7.)

    NOTE: Cast Iron PTFE-fi tted pumps come standard from the factory with expanded PTFE gaskets installed in the diaphragm bead of the liquid chamber. PTFE gaskets cannot be re-used. Consult PS-TG for installation instructions during reassembly.

    NOTE: Before starting disassembly, mark a line from each liquid chamber to its corresponding air chamber. This line will assist in proper alignment during reassembly.

    CAUTION: Pro-Flo pumps cannot be used in submersible applications. Pro-Flo X is available in both submersible and non-submersible options. Do not use non-submersible Pro-Flo X models in submersible applications. Turbo-Flo pumps can also be used in submersible applications.

    CAUTION: Tighten all hardware prior to installation.

    S e c t i o n 1

    C A U T I O N S R E A D F I R S T !

  • WILDEN PUMP & ENGINEERING, LLC 2 WIL-10320-E-04

    S e c t i o n 2

    W I L D E N P U M P D E S I G N A T I O N S Y S T E M

    P8/PX8 METAL51 mm (2") PumpMaximum Flow Rate:675 LPM (178 GPM)

    LEGEND PX8 / XXXXX / XXX / XX / XXX / XXXXO-RINGS

    MODEL VALVE SEATVALVE BALLS

    DIAPHRAGMSAIR VALVE

    CENTER BLOCKAIR CHAMBERS

    WETTED PARTS & OUTER PISTON

    SPECIALTYCODE(if applicable)

    NOTE: MOST ELASTOMERIC MATERIALS USE COLORED DOTS FOR IDENTIFICATION.

    NOTE: Not all models are available with all material options.

    Nordel and Viton are registered trademarks of DuPont Dow Elastomers.Halar is a registered trademark of Solvay.

    SPECIALTY CODES0014 BSP0023 Wing nuts0030 Screen based0036 Screen based, BSP0039 Screen based, polyurethane screen0044 Stallion, balls & seats ONLY0047 Stallion externals, balls and seats0070 Saniflo FDA

    0075 Saniflo FDA, Stallion balls and seats ONLY0079 Tri-clamp fittings, wing nuts0080 Tri-clamp fittings ONLY0100 Wil-Gard 110V0102 Wil-Gard, sensor wires ONLY0103 Wil-Gard 220V0108 Wil-Gard 220V, BSP0118 Stallion balls and seats ONLY, BSP

    0120 Saniflo FDA, Wil-Gard 110V0330 Wing nuts, BSP0320 Single-Point Exhaust center block0324 Single-Point Exhaust center block, screen base0327 Single-Point Exhaust center block, Stallion externals, balls & seats

    MATERIAL CODES

    MODELP8 = PRO-FLOPX8 = PRO-FLO X

    WETTED PARTS & OUTER PISTONAA = ALUMINUM / ALUMINUMSS = STAINLESS STEEL /

    STAINLESS STEELWW = CAST IRON / CAST IRON

    AIR CHAMBERSA = ALUMINUMC = PTFE COATEDN = NICKEL-PLATEDS = STAINLESS STEEL V = HALAR COATED

    ALUMINUM (P8 only)

    CENTER BLOCKA = ALUMINUM (PX8 only)N = NICKEL-PLATED (PX8 only)P = POLYPROPYLENE (P8 only)S = STAINLESS STEEL (PX8 only)

    AIR VALVEA = ALUMINUM (PX8 only)N = NICKEL-PLATED (PX8 only)P = POLYPROPYLENE (P8 only)S = STAINLESS STEEL (PX8 only)

    DIAPHRAGMSXBS = CONDUCTIVE BUNA-N

    (Two Red Dots)BNS = BUNA-N (Red Dot)FSS = SANIFLEX

    [Hytrel (Cream)]EPS = EPDM (Blue Dot)NES = NEOPRENE (Green Dot)PUS = POLYURETHANE (Clear)TEU = PTFE W/EPDM BACK-UP (White)TNU = PTFE W/NEOPRENE BACK-UP (White)TSU = PTFE W/SANIFLEX

    BACK-UP (White)BNU = BUNA-N, ULTRA-FLEXEPU = EPDM, ULTRA-FLEXNEU = NEOPRENE, ULTRA-FLEXVTU = VITON, ULTRA-FLEXVTS = VITON (White Dot)WFS = WIL-FLEX [Santoprene

    (Orange Dot)]

    VALVE BALLBN = BUNA-N (Red Dot)FS = SANIFLEX [Hytrel (Cream)]EP = NORDEL (Blue Dot)NE = NEOPRENE (Green Dot)PU = POLYURETHANE (Clear)TF = PTFE (White)VT = VITON (Silver

    or White Dot)WF = WIL-FLEX

    [Santoprene (Orange Dot)]

    VALVE SEATA = ALUMINUMBN = BUNA-N (Red Dot)FG = SANIFLEX [Hytrel (Cream)]H = ALLOY CM = MILD STEELND = NORDEL (Blue Dot