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Summary of Contents for Wilden A.025 Original Metal Series
- Page 1 A.025 E n g i n e e r i n g O p e r a t i o n & Series METAL Pumps Original ™ 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-10030-E-03 TO REPLACE WIL-10030-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.025T METAL (T-series Center Section) ................A.025B METAL (Adapter Block with T-series Center Section)........... -
Page 3: Section 1 - Cautions - Read First
CAUTION: Do not exceed 8.6 bar (125 psig) air supply CAUTION: The A.025 Pump is not submersible. pressure. CAUTION: Pump performance will be seriously hampered if pump is installed upside down. WIL-10030-E-03 WILDEN PUMP & ENGINEERING, LLC... -
Page 4: Section 2 - Pump Designation System
1. AxT: This is the same Accu-Flo™ configuration that has been flow in most applications (refer to EOM for details). The AxP provides available from Wilden since March 1994. An aluminum solenoid valve the Pro-Flo benefits of lower start-up pressure, reduced blow-by, ®... -
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: A.025T Metal (T-Series Center Section)
DIMENSIONAL DRAWING A.025B METAL (T-SERIES CENTER SECTION) 6 mm (1/4”) 6 mm (1/4”) BSP (FNPT) LIQUID BSP (FNPT) AIR INLET DISCHARGE DIMENSIONS ITEM METRIC (mm) STANDARD (inch) 6 mm (1/4”) BSP (FNPT) LIQUID INLET WILDEN PUMP & ENGINEERING, LLC WIL-10030-E-03... -
Page 7: A.025P Metal (P-Series Center Section)
DIMENSIONAL DRAWING A.025B METAL (P-SERIES CENTER SECTION) 6 mm (1/4”) BSP (FNPT) 6 mm (1/4”) LIQUID DISCHARGE BSP (FNPT) AIR INLET DIMENSIONS ITEM METRIC (mm) STANDARD (inch) 6 mm (1/4”) BSP (FNPT) LIQUID INLET WIL-10030-E-03 WILDEN PUMP & ENGINEERING, LLC... -
Page 8: Xa.025T Metal (T-Series Center Block)
XA.025T METAL (T-SERIES CENTER SECTION) 6.35 mm (1/4”) BSP (FNPT) LIQUID DISCHARGE 6.35 mm (1/4”) FNPT AIR EXHAUST 3.18 mm (1/8”) FNPT AIR INLET 6.35 mm (1/4”) BSP (FNPT) LIQUID INLET DIMENSIONS ITEM METRIC (mm) STANDARD (inch) WILDEN PUMP & ENGINEERING, LLC WIL-10030-E-03... -
Page 9: A.025T Metal Rubber-Fitted (T-Series Center Section)
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-10030-E-03 WILDEN PUMP & ENGINEERING, LLC... -
Page 10: A.025P Metal Rubber-Fitted (P-Series Center Section)
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-10030-E-03... -
Page 11: A.025T Metal Rubber-Fitted (T-Series Center Section)
This curve can be applied to different pres- sure conditions to estimate the change in flow due to stroke rate. [LPM] [LPM] Water Discharge Flow Rate Water Discharge Flow Rate WIL-10030-E-03 WILDEN PUMP & ENGINEERING, LLC... -
Page 12: Installation
SECTION 7A INSTALLATION eliminated. For best results, the pump should use an air filter, All Wilden pumps are manufactured with a variety of materi- regulator system. als for the air distribution system, liquid path and elastomers. This variety is offered to satisfy the temperature, chemical... -
Page 13: Operating Principles
Simply drill flat areas provided with a 7/16” drill bit for NPT or 11 mm drill bit for BSP and tap with NPT or BSP tap as appropriate. NOTE: Wilden offers drum pump kits for the Metal P.025/A.025 pump (bung base and pick-up tube) for convenient drum pumping (P/N 50-9290-20/23/55). -
Page 14: Operation And Maintenance
A muffler can be installed to reduce the amount of noise For best results, the pumps should use an air filter and a generated by the pump. Use of the specified Wilden muffler regulator. The use of an air filter before the pump inlet will will reduce noise levels below OSHA specifications. -
Page 15: Section 8 - Directions For Disassembly/Reassembly
Be aware of any hazardous effects of contact with your process fluid. The Wilden model A.025 is an air-operated, double- diaphragm pump with all wetted parts of aluminum, stain- less steel and Alloy C. The single-piece center section, consisting of center block and air chambers, is molded from polypropylene. - Page 16 Replace from top to bottom or use 3/16" rod and push seats through. worn parts with genuine Wilden parts for reliable performance. NOTE: Alumi- num pumps employ 2 o-rings per valve seat.
- Page 17 Inspection of diaphragms, pistons, disc spring and shaft is turning in a counter-clockwise direction. now possible. NOTE: PTFE fitted pumps utilize a back up o-ring. Inspect all parts for wear and replace with genuine Wilden parts if necessary. WIL-10030-E-03 WILDEN PUMP & ENGINEERING, LLC...
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Page 18: Reassembly Hints & Tips
Description of Part Maximum Torque Air Valve, Solenoid 2.3 N•m (20 in‑lbs) Outer Piston, Rubber and TPE Diaphragms 5.6 N•m (50 in‑lbs) Clamp Band 2.3 N•m (20 in‑lbs) Manifold Bolt 5.75 N•m (50 in‑lbs) WILDEN PUMP & ENGINEERING, LLC WIL-10030-E-03... - Page 19 Finding Sleep easier with Spares Nightmare Spectrom is not your typical after market part supplier. We do not simply sell pump parts; we provide value added procurement solutions. ProductS: aoddP Our unique network enables us to pur- (Air Operated Double chase effectively, resulting in low cost Diaphragm Pumps) •...
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Page 20: A.025T Metal (T-Series Center Section)
SECTION 9A EXPLODED VIEW/PARTS LISTING A.025T Stainless Steel & Alloy C seating configuration SOLENOID- OPERATED ADAPTER 12 14 BLOCK VERSION WILDEN PUMP & ENGINEERING, LLC WIL-10030-E-03... - Page 21 Part used only on Rubber / TPE‑fitted pumps. Part used only on PTFE‑fitted pumps. Part used on Adapter Block Version All boldface items are primary wear parts. ADAPTER BLOCK OPTIONS Material Part Number Acetal 00‑2150‑13 Polypropylene 00‑2150‑20 UHMW PE 00‑2150‑32 WIL-10030-E-03 WILDEN PUMP & ENGINEERING, LLC...
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Page 22: A.025P Metal (P-Series Center Section)
SECTION 9B EXPLODED VIEW/PARTS LISTING A.025P Stainless Steel & Alloy C seating configuration SOLENOID- OPERATED ADAPTER 13 16 BLOCK VERSION WILDEN PUMP & ENGINEERING, LLC WIL-10030-E-03... - Page 23 Part used only on PTFE‑fitted pumps. Parts used on Adapter Block Version. All boldface items are primary wear parts. ADAPTER BLOCK & SPACER OPTIONS Material Adapter Block Spacer Acetal 00‑2155‑13 00‑2160‑13 Polypropylene 00‑2155‑20 00‑2160‑20 WIL-10030-E-03 WILDEN PUMP & ENGINEERING, LLC...
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Page 24: Elastomer Options
Buna‑N 00‑1010‑52 04‑2390‑52 00‑1200‑52 Viton® 00‑1070‑53 PTFE 00‑1030‑55 00‑1080‑55 00‑1370‑55 00‑1200‑551 PTFE‑Encapsulated Viton® 00‑1200‑601 Neoprene 00‑1070‑51 Wil-Flex and PTFE encapsulated Viton core valve seat o-rings available on stainless steel and Alloy C only. ® WILDEN PUMP & ENGINEERING, LLC WIL-10030-E-03... -
Page 25: Electrical Information
DC Voltage ±10% Power (W) Resistivity Part Number ±10% Inrush Holding (Ω) 00‑2110‑99‑157 .135 .135 NEMA 4 and IEC 144/855420 I.P. 66 for “Dust‑tight, watertight corrosion resistant.” Meets European standards and regulations, Cenelec/PTB file # EX‑91.C.2027. WIL-10030-E-03 WILDEN PUMP & ENGINEERING, LLC... - Page 26 E L A S T O M E R K I T S Program Details: • Elastomer & ADS Repair Kits • All Sizes Available • PTFE, Rubber & TPE Elastomers • One Part Number Simplifies Inventory • Eliminates Order Errors •...
- Page 27 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.
- Page 28 Simplify Your Process Long standing design simplicity Portable & submersible Variable connection options Fewest parts in industry Solutions since 1955 The result of original thought Your Local Authorized Distributor: Printed in the U.S.A. Copyright 2012, Wilden Pump & Engineering, LLC...
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