Wilden T8 Engineering, Operation & Maintenance
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Wilden T8 Engineering, Operation & Maintenance

Accu-flo, turbo-flo plastic pumps
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EOM
T8/A8
E n g i n e e r i n g
O p e r a t i o n &
™
Original
Series PLASTIC Pumps
M a i n t e n a n c e
S i m p l i f y y o u r p r o c e s s
WIL-10230-E-02
REPLACES WIL-10230-E-01

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  • Page 1 T8/A8 E n g i n e e r i n g O p e r a t i o n & ™ Original Series PLASTIC Pumps M a i n t e n a n c e S i m p l i f y y o u r p r o c e s s...

  • Page 2: Table Of Contents

    Troubleshooting Air-Operated Pumps ................Troubleshooting Accu-Flo™ Pumps .................. SECTION 8 — DIRECTIONS FOR DISASSEMBLY/REASSEMBLY T8 PLASTIC Wetted Path — Tools Required ..............Turbo-Flo™ Air Valve — Disassembly, Cleaning, Inspection ........... Reassembly Hints & Tips, Torque Specs ................Gasket Kit Installation ......................

  • Page 3: Section 1 - Cautions

    If diaphragm rupture occurs, material being NOTE: Non lube-free pumps must be lubricated. pumped may be forced out air exhaust. Wilden suggests an arctic ISO grade 15 (5 weight oil). WARNING: Prevention of static sparking — If static Do not over-lubricate air supply. Over-lubrication will sparking occurs, fire or explosion could result.

  • Page 4: Section 2 - Pump Designation System

    Accu-Flo™ 24V AC / 12V DC coil, Wil-Gard II™ sensor wires ONLY Wil-Gard II™ 110V 0360 Accu-Flo™, 24V DC coil, DIN flange NOTE: MOST ELASTOMERIC MATERIALS USE COLORED DOTS FOR IDENTIFICATION. Viton is a registered trademarks of DuPont Dow Elastomers. WILDEN PUMP & ENGINEERING, LLC WIL-10230-E-02...

  • Page 5: Section 3 - How It Works (Pump & Air Systems)

    THE WILDEN PUMP — HOW IT WORKS The Wilden diaphragm pump is an air-operated, positive displacement, self-priming pump. These drawings show the flow pattern through the pump upon its initial stroke. It is assumed the pump has no fluid in it prior to its initial stroke.

  • Page 6: Section 4 - Dimensional Drawings A. T8 Plastic Air-Controlled

    27.3 FNPT 30.3 AIR EXHAUST 13.6 13.1 15.2 12.1 10.0 51 mm (2") DIN (mm) ANSI (inch) DIN (ANSI) 125 DIA. 4.8 DIA. LIQUID INLET 165 DIA. 6.0 DIA. 18 DIA. 0.8 DIA. FLANGE WILDEN PUMP & ENGINEERING, LLC WIL-10230-E-02...

  • Page 7: Section 5 - Performance Curves

    Flow rates indicated on chart were determined by pumping water. For optimum life and performance, pumps should be specified so that daily operation parameters will fall in the center of the pump performance curve. WIL-10230-E-02 WILDEN PUMP & ENGINEERING, LLC...

  • Page 8: T8 Plastic Tpe-Fitted

    Flow rates indicated on chart were determined by pumping water. For optimum life and performance, pumps should be specified so that daily operation parameters will fall in the center of the pump performance curve. WILDEN PUMP & ENGINEERING, LLC WIL-10230-E-02...

  • Page 9: A8 Plastic Accu-Flo™ Rubber/Tpe-Fitted

    This curve can be applied to different pressure conditions to estimate the change in flow due to stroke rate. [LPM] [38] [76] [114] [151] [189] [227] [265] Water Discharge Flow Rate WIL-10230-E-02 WILDEN PUMP & ENGINEERING, LLC...

  • Page 10: A8 Plastic Accu-Flo™ Ultra-Flex™/Ptfe-Fitted

    This curve can be applied to different pressure conditions to estimate the change in flow due to stroke rate. [ LPM ] [38] [76] [114] [151] [189] [227] [265] Water Discharge Flow Rate WILDEN PUMP & ENGINEERING, LLC WIL-10230-E-02...

  • Page 11: Section 6 - Suction Lift Curves & Data

    SECTION 6A SUCTION LIFT CURVES & DATA T8 Plastic Suction Lift Capability FT H Meter Rubber Diaphragms Diaphragms PTFE Diaphragms Ultra-Flex™ Diaphragms PSIG 90 100 [BAR] [0.7] [1.4] [2.0] [2.7] [3.4] [4.1] [4.8] [5.5] [6.2] [6.9] Inlet Air Pressure Suction lift curves are calibrated for pumps operating at and discharge elbows, viscosity of pumping fluid, elevation 305 m (1,000’) above sea level.

  • Page 12: Section 7 - Installation & Operation A. Installation - Air-Controlled Pumps

    INSTALLATION – T8 PLASTIC AIR-OPERATED PUMPS The Model T8 plastic pump has a 51 mm (2”) inlet and 51 mm PIPING: Final determination of the pump site should not (2”) outlet and is designed for flows to 591 lpm (156 gpm).

  • Page 13: Air-Controlled Operation And Maintenance

    The Wilden T8 pump runs solely on downtime. Personnel familiar with the pump’s construction compressed air and does not generate heat, therefore your and service should be informed of any abnormalities that process fluid temperature will not be affected.

  • Page 14: Accu-Flo™ Operating Principles

    24V DC operation, and the third allows for either and elastomer material have an effect on suction lift param- 24V AC or 12V DC operation. See Section 10B for options eters. Please refer to pump performance data. and part numbers. WILDEN PUMP & ENGINEERING, LLC WIL-10230-E-02...

  • Page 15: Accu-Flo™ Operation And Maintenance

    Frequency of use, line pressure, viscosity and abrasive- assembly, and requires no additional lubrication under normal ness of process fluid all affect the parts life of a Wilden pump. operation. If the unit runs under extreme conditions (continu- Periodic inspections have been found to offer the best means ous operation at high speeds), it may be necessary to relubri- for preventing unscheduled pump downtime.

  • Page 16: Troubleshooting Air-Operated Pumps

    Use only Wilden Glyd™ rings as Air bubbles in pump discharge. they are of special construction.

  • Page 17: Section 8 - Directions For Disassembly/Reassembly

    Be aware of any hazardous effects of contact with your process fluid. The Wilden model T8 plastic has a 51 mm (2”) inlet and outlet and is designed for flows up to 591 lpm (156 gpm). The model T8 plastic is available in polypropylene wetted parts.
  • Page 18 Replace worn center section. parts with genuine Wilden parts for reli- able performance. WILDEN PUMP & ENGINEERING, LLC WIL-10230-E-02...
  • Page 19 Inspect all parts for cal attack. Replace all worn parts with wear and replace with genuine Wilden genuine Wilden parts for reliable perfor- parts if necessary. mance.

  • Page 20: Turbo-Flo™ Air Valve - Disassembly, Cleaning, Inspection

    “trigger” to tell the air valve to shift. The follow- ing procedure will ensure that the air valve on your Wilden pump will provide long trouble-free service. AIR VALVE BODY AND PISTON...
  • Page 21 BLEED-OFF used. PORT 4.8 mm (3/16”) DRILL BLEED-OFF PORT Grooves in Figure G bushing which Center Block contain Glyd™ rings (Front View) P/N 08-3210-55-225 P/N 08-3800-03-07 Figure E WIL-10230-E-02 WILDEN PUMP & ENGINEERING, LLC...

  • Page 22: Reassembly Hints & Tips, Torque Specs

    • When installing Glyd™ rings, the use of the Wilden Ringer • Stainless bolts should be lubed to reduce the possibility tool simplifies seal installation.

  • Page 23: Gasket Kit Installation

    SECTION 8D GASKET KIT INSTALLATION Only PTFE-fitted T8 PVDF and polypropylene pumps come matter from diaphragm bead and all mating surfaces. If neces- standard with expanded PTFE Gasket Kits (P/N 08-9503- sary, smooth or deburr all sealing surfaces. Mating surfaces 99 for PVDF and 08-9502-99 for polypropylene).

  • Page 24: Section 9 - Exploded View/Parts Listing

    SECTION 9A EXPLODED VIEW/PARTS LISTING PLASTIC AIR- CONTROLLED WILDEN PUMP & ENGINEERING, LLC WIL-10230-E-02...

  • Page 25: T8 Plastic Rubber/Tpe-Fitted

    08-3510-99 08-3510-99 Air Valve Assembly includes parts through 08-2390-52 (items 2 through 7). To order pump with oil bottle, add letter D to model #. (Example: T8/AAPD.) *Refer to corresponding elastomer chart in Section 10. 0502 Specialty Code = PTFE-Coated Hardware All boldface items are primary wear parts.
  • Page 26 SECTION 9B EXPLODED VIEW/PARTS LISTING PLASTIC PTFE- FITTED WILDEN PUMP & ENGINEERING, LLC WIL-10230-E-02...

  • Page 27: T8 Plastic Ptfe-Fitted

    08-3510-99 08-3510-99 Air Valve Assembly includes parts through 08-2390-52 (items 2 through 7). To order pump with oil bottle, add letter D to model #. (Example: T8/AAPD.) PTFE diaphragm, P/N 08-1010-55, must be used with Neoprene back-up diaphragms, P/N 08-1060-51.
  • Page 28 SECTION 9C EXPLODED VIEW/PARTS LISTING PLASTIC ACCU-FLO™ WILDEN PUMP & ENGINEERING, LLC WIL-10230-E-02...

  • Page 29: A8 Plastic Accu-Flo

    NOTE: Additional solenoid options are available. Please consult Section 10B for electrical reference. 0150 Specialty Code = Solenoid-operated, 24V DC. * Refer to corresponding elastomer chart in Section 10. All boldface items are primary wear parts. WIL-10230-E-02 WILDEN PUMP & ENGINEERING, LLC...

  • Page 30: Elastomer Options

    INTERNATIONAL EXPLOSION PROOF / CENELEC / PTB FILE # EX-91.C.2027 Current (A) DC Voltage ±10% Power (W) Resistivity Part Number ±10% Inrush Holding (Ω) 00-2110-99-157 .135 .135 OPERATOR OPTIONS (Item 5) Part Number NEMA Rating 00-2120-99 NEMA 4 00-2121-99 NEMA 7 WILDEN PUMP & ENGINEERING, LLC WIL-10230-E-02...
  • Page 31 Since the use of Wilden pumps and parts is beyond our control, we cannot guarantee the suitability of any pump or part for a particular application and Wilden Pump and Engineering, LLC shall not be liable for any consequential damage or expense arising from the use or misuse of its products on any application.

This manual is also suitable for:

Original seriesA8

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