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Repair/Parts

Verderair VA 50
Air-Operated Diaphragm Pump

859.0302

EN

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.

Summary of Contents for VA50PAPPSPSPFEOO

Page 1: ...cluding 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 ...

Page 2: ...sure Relief Procedure 11 Replace Complete Air Valve 11 Replace Seals or Rebuild Air Valve 12 Check Valve Repair 14 Diaphragm and Center Section Repair 15 Torque Instructions 19 Parts 20 Seats and Check Balls 27 Seat Check Ball and Diaphragm Kits 30 Accessories 30 Notes 31 Technical Data 32 Customer Services Guarantee 34 2 859 0302 ...

Page 3: ...quipment in the work area See Grounding instructions Use only grounded hoses Hold gun firmly to side of grounded pail when triggering into pail Do not use pail liners unless they are antistatic or conductive Stop operation immediately if static sparking occurs or you feel a shock Do not use equipment until you identify and correct the problem Keep a working fire extinguisher in the work area Route e...

Page 4: ... sure all equipment is rated and approved for the environment in which you are using it Use equipment only for its intended purpose Call your distributor for information Route hoses and cables away from traffic areas sharp edges moving parts and hot surfaces Do not kink or over bend hoses or use hoses to pull equipment Keep children and animals away from work area Comply with all applicable safety ...

Page 5: ...ccording to applicable guidelines BURN HAZARD Equipment surfaces and fluid that s heated can become very hot during operation To avoid severe burns Do not touch hot fluid or equipment PERSONAL PROTECTIVE EQUIPMENT Wear appropriate protective equipment when in the work area to help prevent serious injury including eye injury hearing loss inhalation of toxic fumes and burns This protective equipment i...

Page 6: ...offers only those options that work with the pump you are building To Order Parts for Your Existing Pump 1 Check the identification plate ID for the Configuration Number of your pump 2 Use the Configuration Number Matrix on the next page to understand which parts are described by each digit 3 Refer to the main Parts illustration and to the Parts Kits Quick Reference Follow the page references for fur...

Page 7: ...00 VA 50 P P SS SP SP FC 00 Pump Type Pump Size Wetted Parts Air Motor Seats Balls Diaphragms Manifolds Options Pump Fluid Section Material Air Section Material Seat Material VA50 Polypropylene P Polypropylene P Polypropylene KY PVDF K PVDF PP Polypropylene SP Santoprene SS Stainless Steel Ball Material Diaphragm Material Connections Options SP Santoprene SP Santoprene FC Center flange DIN ANSI 00 ...

Page 8: ...tuck or dirty Disassemble and clean air valve Use filtered air Check valve ball severely worn and wedged in seat or manifold Replace ball and seat Pilot valve worn damaged or plugged Replace pilot valve Air valve gasket damaged Replace gasket Pump will not cycle or cycles once and stops Dispensing valve clogged Relieve pressure and clear valve Clogged suction line Inspect clear Sticky or leaking ch...

Page 9: ...t air humidity Use drier air supply Worn air valve cup or plate Replace cup and plate Damaged air valve gasket Replace gasket Damaged pilot valve Replace pilot valves Pump exhausts excessive air at stall Worn shaft seals or bearings Replace shaft seals or bearings Air valve or fluid cover screws loose Tighten Diaphragm damaged Replace diaphragm Pump leaks air externally Air valve gasket damaged Rep...

Page 10: ...Notes Notes 10 859 0302 ...

Page 11: ...he air supply to the pump 2 Open the dispensing valve if used 3 Open the fluid drain valve to relieve fluid pressure Have a container ready to catch the drainage Replace Complete Air Valve Follow these instructions to install Air Valve Replacement Kit 859 0271 1 Stop the pump Follow the Pressure Relief Procedure page 11 2 Disconnect the air line to the motor 3 Remove nuts 104 Remove the air valve 10...

Page 12: ...ove the u cup seal 208 from the piston Pull the piston out the end and remove the other u cup seal 208 Remove the other end cap 207 and the end cap o rings 206 Reassemble the Air Valve NOTE Apply lithium based grease when instructed to grease Order PN 819 0184 1 Use all parts in the repair kits Clean other parts and inspect for damage Replace as needed 2 Grease the u cups 208 and install on the pi...

Page 13: ...rts Leave the end with the magnet free Tilt the base toward the cup and fully engage the parts using care so that the o ring remains in place Align the magnet in the base with the air inlet and install the cup assembly 7 Grease the cup side and install the valve plate 205 Align the small hole in the plate with the air inlet Tighten the screws 209 to hold it in place Apply lithium based grease U cu...

Page 14: ...ket wrench to remove the manifold fasteners 5 then remove the manifold 3 4 Remove the o rings 9 seats 7 and balls 8 5 Turn the pump over and remove the inlet manifold 4 6 Remove the o rings 9 seats 7 and balls 8 Reassemble the Check Valve 1 Clean all parts and inspect for wear or damage Replace parts as needed 2 Reassemble in the reverse order following all notes in the illustration Put the inlet ...

Page 15: ...d If the shaft is still attached to either diaphragm grasp the diaphragm firmly and use a wrench on the flats of the shaft to remove Also remove the air side diaphragm plate 11 and washer 17 Continue with Step 5 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 the fluid cover 2 up off the pump Turn the ...

Page 16: ...e must face the diaphragm d Apply primer and medium strength blue thread locker to the threads of the diaphragm assembly Screw the assembly into the shaft as tight as possible by hand e Grease the shaft u cups 106 and the length and ends of the diaphragm shaft 108 Slide the shaft into the housing f Reattach one fluid cover 3 Arrow A must point toward the air valve See Torque Instructions page 19 g ...

Page 17: ...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 Apply primer and medium strength blue thread locker to shaft side threads Lips must face out of housing Cartridges 109 must be installed before pilot valves 111 Torque to 2 3 N m 20 25 in lb 859 0302 17 ...

Page 18: ...eat properly Keep air pressure on until the second fluid cover is attached d Attach the second fluid cover 3 See Torque Instructions page 19 e Remove the air valve and the tool 302 replace the gasket 105 and reattach the air valve See Torque Instructions page 19 NOTE If you are replacing the diaphragms but not the air valve you must remove the air valve and gasket put the tool in place of the gasket...

Page 19: ...ompletely torque fluid covers before torquing manifolds 1 Start all fluid cover screws a few turns Then turn down each screw just until head contacts cover 2 Turn each screw by 1 2 turn or less working in a crisscross pattern to specified torque 3 Repeat for manifolds Fluid cover and manifold fasteners 21 to 25 Nm 190 to 220 in lb 4 Retorque the air valve fasteners in a crisscross pattern to the spec...

Page 20: ...Parts Parts 20 859 0302 ...

Page 21: ...Stainless Steel 1 BALLS valve check 4 pack see page 27 859 0292 FKM 859 0290 PTFE 8 859 0291 Santoprene 1 9 859 0275 O RING seat 8 pack see page 27 1 Ref Part Kit Description Qty Fluid Side Diaphragm Plate see page 29 859 0284 Polypropylene 10 859 0285 PVDF 2 11 859 0293 Air Side Diaphragm Plate includes washer Ref 17 see page 29 2 Diaphragm Kits 2 pack see pages 28 29 859 0282 FKM Fluoroelastomer...

Page 22: ...et Manifold Kits P FE 859 0277 K FE 859 0296 Kits include 1 manifold 3 End Inlet Manifold Kits P FE 859 0278 K FE 859 0297 Kits include 1 manifold 4 Fluid Cover Fastener Kits All Models 859 0274 Kit includes 8 bolts 6 hex head stainless steel M10 x 1 5 x 70 mm 2 76 in 4 bolts 5 hex head stainless steel M10 x 1 5 x 45 mm 1 77 in 12 washers 16 8 nuts 15 hex flange M10 Manifold Fastener Kits All Model...

Page 23: ...enter not sold separately 1 102 VALVE air see page 26 1 103 SCREW hi lo stud 4 104 NUT hex flange serrated 4 105 GASKET air valve 1 106 U CUP center shaft 2 107 BEARING shaft 2 Ref Description Qty 108 SHAFT center 1 109 CARTRIDGE pilot receiver 2 110 O RING Buna N 2 111 VALVE pilot assembly 2 112 LUBRICANT 1 113 RING retaining 2 Included in the Air Section Rebuild Kit 859 0302 23 ...

Page 24: ...er cartridges 109 2 retaining rings 113 2 receiver cartridge o rings 110 1 grease packet 112 Pilot Valve Assembly Kit All models 819 9761 Kit includes 2 pilot valves 111 2 pilot valve receiver cartridges 109 2 receiver cartridge o rings 110 1 grease packet 112 2 retaining rings 113 Center Shaft Kits P with 2 Piece diaphragms TF or standard diaphragms SP VT 859 0268 P with overmolded diaphragms TO ...

Page 25: ...tion Qty 201 HOUSING not sold separately 1 202 PISTON 1 205 PLATE air valve 1 206 O RING 2 207 CAP end 2 208 U CUP 2 Ref Description Qty 209 SCREW 4 thread forming 2 210 RETAINING RING 2 212 BASE cup 1 213 CUP 1 214 O RING cup 1 Parts included in Air Valve Repair Kit Parts included in Air Valve Seals Kit Parts included in Air Valve End Cap Kit 859 0302 25 ...

Page 26: ...r valve piston 202 1 detent piston assembly 203 not used 1 detent cam 204 not used 1 air valve plate 205 2 end cap o rings 206 2 piston u cups 208 2 screws M3 shorter not used 2 screws 4 longer 209 1 detent spring 211 not used 1 air cup base 212 1 air cup 213 1 air cup o ring 214 1 solenoid release button o ring not shown not used 1 air valve gasket 105 1 grease packet 112 Air Valve Replacement Ki...

Page 27: ...Y 859 0286 PP 859 0287 SP 859 0288 SS 859 0289 Kits include 4 seats 7 material indicated in table Standard O Ring Kits All Models PTFE 859 0275 Optional O Ring Kits PTFE Encapsulated FKM 819 0717 FX75 859 0355 Kits include 8 o rings 9 material shown in tables Ball Kits SP 859 0291 TF 859 0290 VT 859 0292 Kits include 4 balls 8 material indicated in table 859 0302 27 ...

Page 28: ... Fluid and Air plates are sold separately The shaft is part of the Center Section Rebuild Kit 859 0266 or the Center Shaft Kit 859 0268 See Air Section Overmolded Diaphragm Kit TO 859 0280 Kits include 2 overmolded diaphragms 12 material indicated in table 2 diaphragm set screws stainless steel 14 1 diaphragm install tool 302 1 packet anaerobic adhesive NOTE Air plates are sold separately The shaf...

Page 29: ...e 1 diaphragm install tool 302 1 packet anaerobic adhesive NOTE Fluid and Air plates are sold separately The shaft is part of the Center Section Rebuild Kit 859 0266 or the Center Shaft Kit 859 0268 See Air Section Fluid Plate Kits P 859 0284 K 859 0285 Kits include 1 fluid side diaphragm plate 10 includes shaft bolt 1 packet anaerobic adhesive Air Plate Kits All Models 859 0293 Kits include 1 air ...

Page 30: ...ALL PTFE 4 DIAPHRAGM PTFE 2 DIAPHRAGM Santoprene 2 TOOL diaphragm install 1 859 0445 KY TF TF ADHESIVE anaerobic 1 Kit Parts Qty SEAT PVDF 4 BALL PTFE 4 DIAPHRAGM PTFE Overmolded 2 SCREW set 2 TOOL diaphragm install 1 ADHESIVE anaerobic 1 859 0446 KY TF TO ADHESIVE sealant 1 SEAT Polypropylene 4 BALL PTFE 4 DIAPHRAGM PTFE Overmolded 2 SCREW set 2 TOOL diaphragm install 1 ADHESIVE anaerobic 1 859 0...

Page 31: ...Notes Notes 859 0302 31 ...

Page 32: ... 0 C Air consumption Standard diaphragms 70 scfm at 70 psi 100 gpm 2 0 m3 min at 0 48 MPa 4 8 bar 379 lpm Overmolded diaphragms 75 scfm at 70 psi 100 gpm 2 1 m3 min at 0 48 MPa 4 8 bar 379 lpm Maximum air consumption Standard diaphragms 140 scfm 4 0 m3 min Overmolded diaphragms 157 scfm 4 4 m3 min Noise dBa Sound power measured per ISO 9614 2 Sound pressure was tested 1 m 3 28 ft from equipment 95...

Page 33: ...pylene Fluid Temperature Range US Metric Diaphragm Ball Seat Material Polypropylene Pump PVDF Pump Polypropylene Pump PVDF Pump FKM Fluoroelastomer 32 to 150 F 32 to 225 F 0 to 66 C 0 to 107 C Polypropylene 32 to 150 F 32 to 150 F 0 to 66 C 0 to 66 C PTFE overmolded diaphragm 40 to 150 F 40 to 180 F 4 to 66 C 4 to 82 C PTFE check balls 40 to 150 F 40 to 220 F 4 to 66 C 4 to 104 C PVDF 32 to 150 F ...

Page 34: ...rice WARRANTY DISCLAIMER VERDER has made an effort to illustrate and describe the products in the enclosed brochure accurately however such illustrations and descriptions are for the sole purpose of identification and do not express or imply a warranty that the products are merchantable or fit for a particular purpose or that the products will necessarily conform to the illustration or descriptions ...

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Page 36: ...Budapest HUNGARY Tel 0036 1 3651140 Fax 0036 1 3725232 e mail info verder hu India Verder India Pumps PVT LTD Plot No 3b 3part 11 D 1 Block MIDC Block Chinchwad Pune 411019 INDIA e mail Sales verder co in www verder co in The Netherlands Verder BV Leningradweg 5 NL 9723 TP Groningen THE NETHERLANDS Tel 31 50 549 59 00 Fax 31 50 549 59 01 e mail info verder nl Poland Verder Polska ul Ligonia 8 1 PL...

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