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VERDER Verderair VA 50 Repair Parts

Air-operated diaphragm pump
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Repair/Parts
Verderair VA 50
Air-Operated Diaphragm Pump
Polypropylene or PVDF pump for fluid transfer applications, including high viscosity materials. For
professional use only.
Not for use in European explosive atmosphere locations.
Important Safety Instructions
Read all warnings and instructions in this manual and in your
Operation manual. Save these instructions.
Maximum Working Pressure: 8.6
bar (0.86 MPa, 125 psi)
PROVEN QUALITY. LEADING TECHNOLOGY.
859.0302
EN

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Summary of Contents for VERDER Verderair VA 50

  • Page 1 Repair/Parts Verderair VA 50 859.0302 Air-Operated Diaphragm Pump Polypropylene or PVDF pump for fluid transfer applications, including high viscosity materials. For professional use only. Not for use in European explosive atmosphere locations. Important Safety Instructions Read all warnings and instructions in this manual and in your Operation manual.

  • Page 2: Table Of Contents

    Contents Warnings ............3 Check Valve Repair ........14 Diaphragm and Center Section Repair ... 15 Ordering Information ........... 6 Torque Instructions ..........19 Related Manuals ..........6 Parts..............20 Configuration Number Matrix ....... 7 Seats and Check Balls ......... 27 Troubleshooting..........

  • Page 3: Warnings

    Warnings Warnings The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The exclamation point symbol alerts you to a general warning and the hazard symbols refer to procedure-specific risks. When these symbols appear in the body of this manual or on warning labels, refer back to these Warnings.
  • Page 4 Warnings 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 5 Warnings 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 MSDSs to know the specific hazards of the fluids you are using. •...

  • Page 6: Ordering Information

    To Order Parts for Your Existing Pump NOTE: Do not configure and order a pump using only this manual. Work with your Verder representative 1. Check the identification plate (ID) for the or follow the steps below Configuration Number of your pump.

  • Page 7: Configuration Number Matrix

    Configuration Number Matrix Configuration Number Matrix Check the identification plate (ID) for the Configuration Number of your pump. Use the following matrix to define the components of your pump. PART NO. CONFIGURATION NO. SERIAL NO. DATE CODE SERIES MAX WPR PSI-bar WEIGHT lb.-kg VA50PP-SSSPSPFC00 Sample Configuration Number:...

  • Page 8: Troubleshooting

    Troubleshooting Troubleshooting Problem Cause Solution Pump cycles but will not prime. Reduce air inlet pressure. Pump is running too fast, causing cavitation before prime. Check valve ball severely worn or Replace ball and seat. wedged in seat or manifold. Seat severely worn. Replace ball and seat.
  • Page 9 Troubleshooting Problem Cause Solution Air bubbles in fluid. Suction line is loose. Tighten. Diaphragm (or backup) ruptured. Replace. Loose manifolds, damaged seats or Tighten manifold bolts or replace o-rings. seats or o-rings. Pump cavitation. Reduce pump speed or suction lift. Tighten.

  • Page 10: Notes

    Notes Notes 859.0302...

  • Page 11: Repair

    Repair Repair Pressure Relief Procedure 4. Align the new air valve gasket (105*) on the center housing, then attach the new air valve. Follow the Torque Instructions, page Follow the Pressure Relief Procedure whenever you see this symbol. 5. Reconnect the air line to the motor. This equipment stays pressurized until pressure is relieved manually.

  • Page 12: Replace Seals Or Rebuild Air Valve

    Repair Replace Seals or Rebuild Air Valve Follow these instructions to service the air valve with 2. Grease the u-cups (208♦†) and install on the one of the available repair kits. Air Valve Seal Kit piston with lips facing toward the center of the parts are marked with a †.
  • Page 13 Repair 6. Install the o-ring (214♦) on the cup (213♦). Apply a light film of grease to the outside surface of the o-ring and the inside mating surface of the base (212♦). Orient the end of the base that has a magnet toward the end of the cup that has the larger cutout.

  • Page 14: Check Valve Repair

    Repair Check Valve Repair NOTE: Kits are available for new check valve balls and seats in a range of materials. See page 27 to order kits in the material(s) desired. O-ring and fastener kits also are available. NOTE: To ensure proper seating of the check balls, always replace the seats when replacing the balls.

  • Page 15: Diaphragm And Center Section Repair

    Repair Diaphragm and Center Section Repair 4. All Other Diaphragms a. Orient the pump so one of the fluid covers faces up. Use a 17 mm socket wrench to remove the fluid cover screws (5, 6), then pull NOTE: Diaphragm kits are available in a range of the fluid cover (2) up off the pump.
  • Page 16 Repair Reassemble the Diaphragm and Center Section Follow all notes in the illustration. These notes e. Grease the shaft u-cups (106*) and the contain important information. length and ends of the diaphragm shaft (108*). Slide the shaft into the housing. NOTE: Apply lithium-based grease whenever Reattach one fluid cover (3).
  • Page 17 Repair SP and VT Models TO Models TF Models Rounded side faces diaphragm Apply lithium based grease. Apply primer and medium-strength (blue) thread locker. Torque to 136–142 N•m (100-105 ft-lb). AIR SIDE markings on diaphragm must face center housing. If screw comes loose or is replaced, apply permanent (red) thread locker to diaphragm side threads.
  • Page 18 Repair 8. To ensure proper seating and extend diaphragm c. Supply a minimum of 1.4 bar (0.14 MPa, 20 life, apply air pressure to the pump prior to psi) air pressure to the air valve. Shop air attaching the second fluid cover. may be used.

  • Page 19: Torque Instructions

    Torque Instructions Torque Instructions If fluid cover or manifold fasteners have been Inlet and Outlet Manifold Screws loosened, it is important to torque them using the following procedure to improve sealing. NOTE: Fluid cover and manifold fasteners have a thread-locking adhesive patch applied to the threads. If this patch is excessively worn, the fasteners may loosen during operation.

  • Page 20: Parts

    Parts Parts 859.0302...
  • Page 21 Parts Parts/Kits Quick Reference Use this table as a quick reference for parts/kits. Go to the pages indicated in the table for a full description of kit contents. Ref. Part/Kit Description Qty. Ref. Part/Kit Description Qty. – — — Center Section; Fluid Side Diaphragm see page 29 Polypropylene, not sold...
  • Page 22 Parts Fluid Section Sample Configuration Number Pump Size Fluid Section Air Section Seats Balls Diaphragms Manifolds Options VA50 Fluid Cover Kits End Inlet Manifold Kits 859.0273 859.0279 P...FE 859.0278 K...FE 859.0297 Kits include 1 manifold (4) Kits include 1 fluid cover (2) Fluid Cover Fastener Kits Center Manifold Kits All Models...
  • Page 23 Parts Air Section Sample Configuration Number Pump Size Fluid Section Air Section Seats Balls Diaphragms Manifolds Options VA50 Description Description HOUSING, center, not sold 108* SHAFT, center separately 109* CARTRIDGE, pilot receiver see page 26 VALVE, air, 110* O-RING, Buna-N SCREW, hi-lo stud 111* VALVE, pilot, assembly...
  • Page 24 Parts Sample Configuration Number Pump Size Fluid Section Air Section Seats Balls Diaphragms Manifolds Options VA50 Air Section Rebuild Kits (*) Center Shaft Kits (*) with 2–Piece diaphragms (TF) or 859.0266 with 2–Piece diaphragms (TF) or 859.0268 standard diaphragms (SP, standard diaphragms (SP, with overmolded diaphragms (TO)
  • Page 25 Parts Air Valve Sample Configuration Number Pump Size Fluid Section Air Section Seats Balls Diaphragms Manifolds Options VA50 Description Description 209✦✝ HOUSING, not sold SCREW, #4, thread forming separately 210‡ RETAINING RING 202✦ PISTON 212✦ BASE, cup 205✦ PLATE, air valve 213✦...
  • Page 26 Parts Sample Configuration Number Pump Size Fluid Section Air Section Seats Balls Diaphragms Manifolds Options VA50 ✝ Air Valve Seals Kit Air Valve Replacement Kit All models 859.0159 All models 859.0271 Kit includes: Kits include: • 2 end cap o-rings (206) •...

  • Page 27: Seats And Check Balls

    Parts Seats and Check Balls Sample Configuration Number Pump Size Fluid Section Air Section Seats Balls Diaphragms Manifolds Options VA50 Seat Kits Ball Kits 859.0286 859.0291 859.0287 859.0290 859.0288 859.0292 859.0289 Kits include: Kits include: • 4 balls (8), material indicated in table. •...
  • Page 28 Parts Diaphragms Sample Configuration Number Pump Size Fluid Section Air Section Seats Balls Diaphragms Manifolds Options VA50 Standard Diaphragm Kits Overmolded Diaphragm Kit 859.0281 859.0280 859.0282 Kits include: Kits include: • 2 overmolded diaphragms (12), material indicated in table. • 2 diaphragms (12), material indicated in table •...
  • Page 29 Parts Sample Configuration Number Pump Size Fluid Section Air Section Seats Balls Diaphragms Manifolds Options VA50 Two-Piece Diaphragm Kit Fluid Plate Kits 859.0283 859.0284 859.0285 Kits include: Kits include: • 2 diaphragms (12), PTFE • 1 fluid side diaphragm plate (10), includes shaft bolt •...

  • Page 30: Seat, Check Ball, And Diaphragm Kits

    Accessories Seat, Check Ball, and Diaphragm Kits Sample Configuration Number Pump Size Fluid Section Air Section Seats Balls Diaphragms Manifolds Options VA50 Parts Parts 859.0442 SEAT, polypropylene 859.0446 SEAT, PVDF (PP, TF, TF) (KY, TF, TO) BALL, PTFE BALL, PTFE DIAPHRAGM, PTFE DIAPHRAGM, PTFE Overmolded...

  • Page 31: Notes

    Notes Notes 859.0302...

  • Page 32: Technical Data

    Technical Data Technical Data Verderair VA 50 Diaphragm Pump Metric Maximum fluid working pressure 125 psi 0.86 MPa, 8.6 bar Air pressure operating range 20 to 125 psi 0.14 to 0.86 MPa, 1.4 to 8.6 bar Air inlet size 3/4 in. npt(f) Air exhaust size 1 in.
  • Page 33 Technical Data Maximum pump speed Standard diaphragms 125 cycles per minute Overmolded diaphragms 155 cycles per minute Weight Polypropylene 80 lb 36.3 kg PVDF 106 lb 48.1 kg Wetted Parts Wetted parts include material(s) chosen for seat, ball, and diaphragm options, plus the pump’s material of construction: Polypropylene or PVDF Non-wetted external parts stainless steel, polypropylene...

  • Page 34: Customer Services/Guarantee

    (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. Parts determined by VERDER to be defective in material or workmanship will be repaired or replaced.
  • Page 35 DECLARACIÓN DE CONFORMIDAD DE LA CE, EY-VAATIMUSTENMUKAISUUSVAKUUTUS, EG-DEKLARATION OM ÖVERENSSTÄMMELSE, -KE TA’ KONFORMITA`, IZJAVA ES O SKLADNOSTI, ES - ONFORMITATE Model VERDERAIR VA 50 850.8146, 850.8147, 850.8148, 850.8149, 850.8150, 850.8151, Part 850.8152, 850.8153, 850.8154, 850.8155, 850.8156, 850.8157, 850.8158, 850.8159, 850.8160, 850.8161, 850.8162, 850.8163, Referencia, Osa, 850.8164, 850.8165, 850.8166, 850.8167, 850.8168, 850.8169,...
  • Page 36 D-42781 Haan UNITED KINGDOM GERMANY Tel: +44 (0) 1924 221 001 Toll Free: 1 877 7 VERDER Tel: +41 (0)61 331 33 13 Fax: +44 (0) 1132 465 649 Tel: +1 478 471 7327 Fax: +41 (0)61 331 63 22 e-mail: info@verder.co.uk...

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