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Summary of Contents for Wilden A2 Original Plastic Series
- Page 1 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-10070-E-03 REPLACES WIL -10070-E-02...
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Page 2: Table Of Contents
TABLE OF CONTENTS PAGE # SECTION 1 - CAUTIONS - READ FIRST! ............SECTION 2 - PUMP DESIGNATION SYSTEM ........... SECTION 3 - HOW IT WORKS (PUMP & AIR SYSTEMS) ....SECTION 4 - DIMENSIONAL DRAWINGS A. A2T PLASTIC (T-series Center Section) ................B. -
Page 3: Section 1 - Cautions - Read First
Disconnect all intake, discharge and air lines. Drain the pump by turning it upside down and allowing any fluid to flow into a suitable container. WIL-10070-E-03 WILDEN PUMP & ENGINEERING, LLC... -
Page 4: Section 2 - Pump Designation System
(refer to EOM for details). The AxP provides the Pro-Flo benefits of Wilden since March 1994. An aluminum solenoid valve is attached directly to a lower start-up pressure, reduced blow-by, and increased life. T-series center section and the shaft/inner piston configuration is altered. -
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: A2T Plastic (T-Series Center Section)
AIR INLET ITEM METRIC (mm) STANDARD (inch) LIQUID DISCHARGE 11.7 13.2 25 mm (1”) ANSI/DIN FLANGE LIQUID INLET 79 DIA. 3.1 DIA. 109 DIA. 4.3 DIA. 15 DIA. 0.6 DIA. FLANGE 150 pound class WILDEN PUMP & ENGINEERING, LLC WIL-10070-E-03... -
Page 7: A2P Plastic (P-Series Center Section)
METRIC (mm) STANDARD (inch) 11.7 12.1 14.0 6 mm (1/4”) (FNPT) INLET 25 mm (1”) ANSI/DIN FLANGE 79 DIA. 3.1 DIA. LIQUID INLET 109 DIA. 4.3 DIA. 15 DIA. 0.6 DIA. FLANGE 150 pound class WIL-10070-E-03 WILDEN PUMP & ENGINEERING, LLC... -
Page 8: Section 5 - Performance Curves
Caution: Do not exceed 8.6 bar (125 psig) air For optimum life and performance, pumps should be specified so that daily operation parameters supply pressure. will fall in the center of the pump performance curve. WILDEN PUMP & ENGINEERING, LLC WIL-10070-E-03... -
Page 9: A2P Plastic Rubber-Fitted (P-Series Center Section)
Caution: Do not exceed 8.6 bar (125 psig) air For optimum life and performance, pumps should be specified so that daily operation parameters supply pressure. will fall in the center of the pump performance curve. WIL-10070-E-03 WILDEN PUMP & ENGINEERING, LLC... -
Page 10: Section 6 - 70/30 Operating Condition A. A2T Plastic Rubber-Fitted (T-Series Center Section)
This curve can be applied to different pressure conditions to estimate the change in flow due to stroke rate. WILDEN PUMP & ENGINEERING, LLC WIL-10070-E-03... -
Page 11: Installation
SECTION 7A INSTALLATION All Wilden pumps are manufactured with a variety of materi- eliminated. For best results, the pump should use an air filter, regulator system. als for the air distribution system, liquid path and elastomers. This variety is offered to satisfy the temperature, chemical... -
Page 12: Operating Principles
Wilden pump. Periodic inspections have been found to offer cate the center block with a Buna-N compatible NLGI Grade the best means for preventing unscheduled pump downtime. -
Page 13: Troubleshooting
Pump air passages blocked with ice. Worn seals in air valve. Check for excessive moisture in compressed air line. As the air expands out the exhaust during the operation of the pump, water vapor entrapped in the compressed air WIL-10070-E-03 WILDEN PUMP & ENGINEERING, LLC... -
Page 14: Section 8 - Directions For Disassembly/Reassembly
Be aware of any hazardous effects of contact with your process fluid. The Wilden model A2 has a 25 mm (1”) inlet and 25 mm (1”) outlet and is designed for flows up to 136 lpm (36 gpm). The wetted path comes in both PVDF and polypropylene. - Page 15 Replace worn parts with genuine Wilden parts for reliable performance. WIL-10070-E-03 WILDEN PUMP & ENGINEERING, LLC...
- Page 16 Step 11. Figure 11 After clamp bands are removed, pull liquid chambers apart. Remove tee section from liquid chamber and inspect o-rings for signs of wear. Replace worn parts with genuine Wilden parts for reliable performance. Step 12. Figure 12 Step 13.
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Page 17: Reassembly Hints & Tips
• Be sure to tighten outer pistons simultaneously on PTFE-fitted pumps to ensure proper torque values. • Apply two (2) drops of Loctite ® 246 to the shaft internal threads before the diaphragm assembly. WIL-10070-E-03 WILDEN PUMP & ENGINEERING, LLC... -
Page 18: Section 9 - Exploded View/Parts Listing
SECTION 9A EXPLODED VIEW/PARTS LISTING PLASTIC ACCU-FLO™ Adapter Block Version PTFE Assembly WILDEN PUMP & ENGINEERING, LLC WIL-10070-E-03... - Page 19 24V AC, Nema 7 Coil 00-2110-99-154 24V DC, Nema 7 Coil 00-2110-99-155 110V AC Coil 00-2110-99-156 110V AC Nema 7 Coil 00-2110-99-157 International 24V DC Coil Meets European standards and regulations; CENELEC/PTB File #EX-91.C.2027. WIL-10070-E-03 WILDEN PUMP & ENGINEERING, LLC...
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Page 20: A2P Plastic (P-Series Center Section)
SECTION 9B EXPLODED VIEW/PARTS LISTING PLASTIC ACCU-FLO™ Standard Assembly PTFE Assembly Adapter Block Version WILDEN PUMP & ENGINEERING, LLC WIL-10070-E-03... - Page 21 24V AC, Nema 7 Coil 00-2110-99-154 24V DC, Nema 7 Coil 00-2110-99-155 110V AC Coil 00-2110-99-156 110V AC Nema 7 Coil 00-2110-99-157 International 24V DC Coil Meets European standards and regulations; CENELEC/PTB File #EX-91.C.2027. WIL-10070-E-03 WILDEN PUMP & ENGINEERING, LLC...
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Page 22: Section 10 - Elastomer Options/Electrical Information A. Elastomer Options
±10% Inrush Holding (Ω) 00-2110-99-153 00-2110-99-154 00-2110-99-156 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 WILDEN PUMP & ENGINEERING, LLC WIL-10070-E-03... - Page 23 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.
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