VERDER VERDERAIR VA 25 Manual
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VERDER VERDERAIR VA 25 Manual

Air-operateddiaphragm pump
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Repair/Parts
VERDERAIR VA 25
Air-Operated
Diaphragm Pump
1-inch pump with modular air valve for fluid transfer applications.
For professional use only.
See page 3 for model information, including approvals.
125 psi (0.86 MPa, 8.6 bar) Maximum Fluid Working Pressure
125 psi (0.86 MPa, 8.6 bar) Maximum Air Input Pressure
Important Safety Instructions
Read all warnings and instructions in this manual.
Save these instructions.
ti13946a
VA25S
Stainless Steel
VA25A
Aluminum
VA25P
Polypropylene
VA25C
Conductive
Polypropylene
VA25F
PVDF
Patents Pending
ti14342a
859.0089
Rev. M
Center
Flange
ti13843a
End
Flange
ti13844a
EN

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Summary of Contents for VERDER VERDERAIR VA 25

  • Page 1 Repair/Parts VERDERAIR VA 25 Air-Operated 859.0089 Diaphragm Pump Rev. M 1-inch pump with modular air valve for fluid transfer applications. For professional use only. See page 3 for model information, including approvals. 125 psi (0.86 MPa, 8.6 bar) Maximum Fluid Working Pressure 125 psi (0.86 MPa, 8.6 bar) Maximum Air Input Pressure...

  • Page 2: Table Of Contents

    Contents Related Manuals ......2 Parts ........16 Pump Matrix .

  • Page 3: Pump Matrix

    Pump Matrix Check the identification plate (ID) for the 20-digit Configuration Number of your pump. Use the following matrix to define the components of your pump. Sample Configuration Number VA25A A01A A1 SS BN BN PART NO. CONFIGURATION NO. SERIAL NO. DATE CODE SERIES MAX WPR PSI-bar...

  • Page 4: Atex Certifications

    ATEX Certifications ‡ VA25S (Stainless Steel) pumps ✖ Pulse Count is certified: ★ All VA25A (Aluminum) and with aluminum or conductive poly- VA25C (Conductive Polypropylene) EEx ia IIA T3 propylene centers are certified: pumps are certified: Nemko06ATEX1124 II 2 GD c IIC T4 II 2 GD c IIC T4 II 1 G Warnings...
  • Page 5 WARNING EQUIPMENT MISUSE HAZARD Misuse can cause death or serious injury. • Do not operate the unit when fatigued or under the influence of drugs or alcohol. • Do not exceed the maximum working pressure or temperature rating of the lowest rated system component.

  • Page 6: Troubleshooting

    WARNING TOXIC FLUID OR FUMES HAZARD Toxic fluids or fumes can cause serious injury or death if splashed in the eyes or on skin, inhaled, or swallowed. • Read MSDS’s to know the specific hazards of the fluids you are using. •...
  • Page 7 8. Air supply erratic. Repair air supply. Exhaust muffler icing. Use drier air supply or use low ice muffler (Verder part 819.7000). Air bubbles in fluid. Suction line is loose. Tighten. Diaphragm (and backup) ruptured. Replace. See page 12.

  • Page 8: Repair

    Repair Pressure Relief Procedure 4. Remove screws (109, metal pumps) or nuts (112, plastic pumps). Remove the air valve and gasket (108). 5. To repair the air valve, go to Disassemble the Air Valve, step 1, in next section. To install a replace- Trapped air can cause the pump to cycle unexpectedly, ment air valve, continue with Step 6.
  • Page 9 Replace Seals or Rebuild Air Valve Reassemble the Air Valve NOTE: Apply lithium-based grease whenever instructed NOTE: Repair kits are available. See page 21 to order to grease. the correct kit(s) for your pump. Air Valve Seal Kit parts are marked with a †. Air Valve Repair Kit parts are 1.
  • Page 10 209◆† 205◆ 212◆ 214◆ 213◆ 211◆ 203◆ 204◆ 210✠ 208◆† 206◆†✠ 207✠ 202◆ 208◆† 207✠ inlet 206◆†✠ Apply lithium-based grease. 210✠ U-cup lips must face piston. Apply lithium-based grease to contact surface. ti18205b . 3. Air valve assembly 7. Grease and install the detent assembly (203) into 8.

  • Page 11: Check Valve Repair

    Check Valve Repair Torque to 100 in-lb (11.3 N•m). See Torque Instructions, page 15. Arrow (A) must point toward outlet manifold. Not used on some models. NOTE: Kits are available for new check valve balls and seats in a range of materials. See page 24 to order kits in Aluminum pump the material(s) desired.

  • Page 12: Diaphragms And Center Section

    Diaphragms and Center Section b. Plastic Pumps: Use a 1-1/4 socket or box end wrench on the hex of a fluid side diaphragm plate to remove. Then remove all parts of the diaphragm assembly. See F . 7. Metal Pumps: Remove the bolt (304) from one side of the diaphragm shaft, then remove all parts of that diaphragm assembly.
  • Page 13 104* 104* TP, SP, BN, FK, and GE models PO and CO (Metal pumps) models (Plastic pumps) ti14037a ti14022a Rounded side faces diaphragm. Apply lithium-based grease. Torque to 20-25 ft-lb (27-34 N•m) at 100 rpm maximum. AIR SIDE markings on diaphragm 104* must face center housing.
  • Page 14 Reassembly All Other Diaphragms - Metal Pumps: Follow all notes in F . 7. These notes contain a. Install the o-ring (301) on the shaft bolt (304). important information. b. Assemble the fluid side plate (13), the dia- NOTE: Apply lithium-based grease whenever instructed phragm (15), the backup diaphragm (305, if to grease.

  • Page 15: Torque Instructions

    Torque Instructions 7. To ensure proper seating and extend diaphragm life, attach the second fluid cover with air pressure on the pump. NOTE: Fluid cover and manifold fasteners have a thread-locking adhesive patch applied to the threads. If a. See F .

  • Page 16: Parts

    Parts ti14023a 1 Not used on some models. 859.0089...

  • Page 17: Parts/Kits Quick Reference

    Parts/Kits Quick Reference Use this table as a quick reference for parts/kits. See pages indicated in table for full description of kit contents. Ref. Part/Kit Description Qty. Ref. Part/Kit Description Qty. Seats; 4-pack, includes 8 o-rings where Varies Center Section; not sold separately, see needed, see page 24 page 18 859.0009...

  • Page 18: Center Section

    Center Section Pump Size Fluid Covers Check Manifold and Material and Manifolds Seats Balls Diaphragm O-Rings XXXX VA25A Plastic Center Section (C01A and P01A) Aluminum Center Section air valve (A01A) detail, see page 20 109* *112 108* *108 *105 *106 *102 *103 103*...
  • Page 19 Kit 859.0000, Center Section Rebuild (*) Kit 859.0035, Center Shaft Kit All Models All models Kit includes: Kit includes: • 2 pilot valves (101) • 1 center shaft (104) • 2 pilot cartridges (102) • 2 center shaft bearings (105) •...

  • Page 20: Air Valve And Data Monitoring

    Air Valve and Data Monitoring 209◆† 205◆ 212◆ 214◆ 213◆ 211◆ 203◆ 204◆ 210✠ 208◆† 206◆†✠ 207✠ 202◆ 208◆† 207✠ inlet 206◆†✠ Apply lithium-based grease. 210✠ U-cup lips must face piston. Apply lithium-based grease to contact surface. ti18205b Air Valve Repair Kits (◆) Ref.
  • Page 21 Kit 859.0041, Air Valve Seals (†) Complete Air Valve Replacement Kits All Models Aluminum Kit includes: Kits include: • 2 end cap o-rings (206) • 1 air valve assembly (2) • 2 piston u-cups (208) • 1 air valve gasket (108) •...

  • Page 22: Fluid Covers And Manifolds

    Fluid Covers and Manifolds Pump Size Air Valve and Check Manifold and Material Center Section Seats Balls Diaphragm O-Rings VA25A A01A Manifold Fasteners (9) Fluid Covers Kits include: Fluid Cover and • 1 fluid cover (3) Manifold Material Description Qty. •...
  • Page 23 Outlet Manifolds Inlet Manifolds Aluminum Aluminum Kits include: Kits include: • 1 outlet manifold (4) • 1 inlet manifold (5) • 3 pipe plugs (8) • 3 pipe plugs (8) • 4 o-rings, ptfe (12) • 4 o-rings, ptfe (12) •...

  • Page 24: Seats

    Pump Size Air Valve and Fluid Covers Manifold and Material Center Section and Manifolds Diaphragm O-Rings VA25A A01A Seats Check Balls NOTE: Some kits may not be available for your model. NOTE: Some kits may not be available for your model. See the configurator tool at www.verderair.com or speak See the configurator tool at www.verderair.com or speak with your distributor.
  • Page 25 Parts Qty. Parts Qty. 859.0135 SEAT, polypropylene 859.0143 SEAT, aluminum (PP, FK, FK) (AL, BN, BN) O-RING, PTFE O-RING, PTFE BALL, FKM BALL, buna-N O-RING O-RING DIAPHRAGM, FKM DIAPHRAGM, buna-N TOOL, install TOOL, install 859.0136 SEAT, stainless steel 859.0144 SEAT, aluminum (SS, BN, BN) (AL, GE, GE) O-RING, PTFE...

  • Page 26: Diaphragms

    Diaphragms Air Valve and Pump Size Fluid Covers Check Manifold Center Section and Material and Manifolds Seats Balls O-Rings VA25A A01A NOTE: Some kits may not be available for your model. See the configurator tool at www.verderair.com or speak with your distributor.
  • Page 27 Diaphragms (continued) Air Valve and Pump Size Fluid Covers Check Manifold Center Section and Material and Manifolds Seats Balls O-Rings VA25A A01A Two-Piece Diaphragms Air and Fluid Plates Kits include: Kits for aluminum and stainless steel pumps include: • 8 o-rings, PTFE (12) •...

  • Page 28: Manifold O-Rings

    Manifold O-rings Pump Size Air Valve and Fluid Covers Check and Material Center Section and Manifolds Seats Balls Diaphragm VA25A A01A Kit Includes: • 8 o-rings, PTFE (12) O-Ring Kit Qty. 859.0034 Model includes no o-rings Accessories Fluid Pressure Relief Kit 819.6479 Grounding Wire Assembly Kit 819.0157 (for aluminum pumps) Includes ground wire and clamp.
  • Page 29 859.0089...

  • Page 30: Technical Data

    Technical Data Maximum fluid working pressure ........125 psi (0.86 MPa, 8.6 bar) Air pressure operating range .
  • Page 31 Operating Temperature Range NOTICE Temperature limits are based on mechanical stress only. Certain chemicals will further limit the maximum operating temperature range. Stay within the temperature range of the most-restricted wetted component. Operating at a tem- perature that is too high or too low for the components of your pump may cause equipment damage. Fluid Temperature Range Polypropylene or Aluminum or...
  • Page 32 ATITIKTIES DEKLARACIJA, DEKLARACJA ZGODNOŚCI UE, DIKJARAZZJONI-KE TA’ KONFORMITA`, IZJAVA ES O SKLADNOSTI, ES - VYHLÁSENIE O ZHODE, ЕО-ДЕКЛАРАЦИЯ ЗА СЪВМЕСТИМОСТ, DEIMHNIÚ COMHRÉIREACHTA CE, CE-DECLARAŢIE DE CONFORMITATE Model VERDERAIR VA 25 Modèle, Modell, Modello, Μοντέλο, Modelo, Malli, Mudel, Modelis, Mudell, Модел, Samhail Part 850.0073*, 850.0074*, 850.0078, 850.0081, 850.0082*–850.0084*,...

  • Page 33: Customer Services/Guarantee

    All VERDER pumps are warranted to the original user against defects in workmanship or materials under normal use (rental use excluded) for two years after purchase date. This warranty does not cover failure of parts or components due to normal wear, damage or failure which in the judgement of VERDER arises from misuse.
  • Page 34 Fax: +27 11 704 7515 e-mail: info@verder.co.uk e-mail: info@verder.co.za United States of America Verder Inc. 110 Gateway Drive Macon, GA 31210 Toll Free: 1 877 7 VERDER Tel: +1 478 471 7327 Fax: +1 478 476 9867 e-mail: info@verder.com 859.0089...

This manual is also suitable for:

Va25pVa25cVa25fVa25aVa25s

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