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819.4470

Rev. ZAA

Aluminum Model Shown

02632B

INSTRUCTIONS–PARTS LIST

ALUMINUM AND STAINLESS STEEL

VERDER

AIR

VA 25

Air-Operated
Diaphragm Pumps

For fluid transfer applications. For professional use only.

8.4 bar MAXIMUM FLUID WORKING PRESSURE
8.4 bar MAXIMUM AIR INPUT PRESSURE

*NOTE: Refer to the Pump Listing on page 22 to determine

the Model No. of your pump.

Patent No.
CN ZL94102643.4
FR 9408894
JA 3517270
US 5,368,452

Important Safety Instructions
Read all warnings and instructions in
the manual. Save these instructions.

Содержание 810.0077

Страница 1: ...sfer applications For professional use only 8 4 bar MAXIMUM FLUID WORKING PRESSURE 8 4 bar MAXIMUM AIR INPUT PRESSURE NOTE Refer to the Pump Listing on page 22 to determine the Model No of your pump Patent No CN ZL94102643 4 FR 9408894 JA 3517270 US 5 368 452 Important Safety Instructions Read all warnings and instructions in the manual Save these instructions ...

Страница 2: ...intended purpose If you are not sure call VERDER After Sales Service D Do not alter or modify this equipment D Check equipment daily Repair or replace worn or damaged parts immediately D Do not exceed the maximum working pressure of the lowest rated component in your system This equip ment has an 8 4 bar maximum working pressure at 8 4 bar maximum incoming air pressure D Use fluids and solvents wh...

Страница 3: ...nd result in a fire or explosion and serious injury D Ground the equipment Refer to Grounding on page 4 D If there is any static sparking or you feel an electric shock while using this equipment stop pumping imme diately Do not use the equipment until you identify and correct the problem D Provide fresh air ventilation to avoid the buildup of flammable fumes from solvents or the fluid being spraye...

Страница 4: ... guideline is to retorque fasteners every two months Grounding FIRE AND EXPLOSION HAZARD This pump must be grounded Before operat ing the pump ground the system as ex plained below Also read the section FIRE AND EXPLOSION HAZARD on page 3 Warning To reduce the risk of static sparking ground the pump and all other equipment used or located in the pumping area Check your local electrical code for de...

Страница 5: ...e them during cleaning and repair c The air line filter F removes harmful dirt and mois ture from the compressed air supply 2 Install a grounded flexible air hose A between the ac cessories and the 1 2 npt f pump air inlet N See Fig 5 Use a minimum 9 5 mm ID air hose Screw an air line quick disconnect coupler D onto the end of the air hose A and screw the mating fitting into the pump air inlet snu...

Страница 6: ...e required see page 4 for installation instructions Fig 2 BUNG MOUNT TYPICAL INSTALLATION Y J F B E C A D G H K L 02648B 02651B Fig 3 FLOOR MOUNT TYPICAL INSTALLATION Y J F B E C A D K L G KEY FOR FIG 3 A Air Supply Line B Bleed Type Master Air Valve required for pump C Air Regulator D Air Line Quick Disconnect E Master Air Valve for accessories F Air Line Filter G Fluid Suction Line J Fluid Drain...

Страница 7: ...the orientation of the inlet and or outlet port remove the plug from one end of a man ifold and install it in the opposite end On stainless steel pumps the fluid inlet and outlet man ifolds have threaded ports on one end only The pump is shipped with the ports facing the same direction To reverse the orientation of the ports 1 Remove the screws and nuts holding the inlet and or outlet manifold to ...

Страница 8: ...rt is 3 4 npt f Do not restrict the air ex haust port Excessive exhaust restriction can cause erratic pump operation To provide a remote exhaust 1 Remove the muffler P from the pump air exhaust port 2 Install a grounded air exhaust hose T and connect the muffler P to the other end of the hose The minimum size for the air exhaust hose is 19 mm ID If a hose lon ger than 4 57 m is required use a larg...

Страница 9: ...a warm area for example from an underground tank Overpressurization can also occur if the VERDERAIR pump is being used to feed fluid to a piston pump and the intake valve of the piston pump does not close causing fluid to back up in the outlet line Caution Fig 7 1 2 Connect fluid inlet line here KEY R 1 in bspt Optional Fluid Inlet Port S 1 in bspt Optional Fluid Outlet Port V Pressure Relief Kit ...

Страница 10: ...he pump Warning 1 Be sure the pump is properly grounded Refer to Grounding on page 4 2 Check all fittings to be sure they are tight Be sure to use a compatible liquid thread sealant on all male threads Tighten the fluid inlet and outlet fittings securely 3 Place the suction tube if used in the fluid to be pumped NOTE If the fluid inlet pressure to the pump is more than 25 of the outlet working pre...

Страница 11: ...dure on page 10 Warning Flush the pump often enough to prevent the fluid you are pumping from drying or freezing in the pump and damaging it Use a compatible solvent Always flush the pump and relieve the pressure before stor ing it for any length of time Tightening Threaded Connections Before each use check all hoses for wear or damage and replace as necessary Check to be sure all threaded connec ...

Страница 12: ... severely worn and wedged in seat 201 or man ifold 102 or 103 Replace ball and seat See page 16 Check valve ball 301 is wedged into seat 201 due to overpressurization Install Pressure Relief Valve see page 9 Dispensing valve clogged Relieve pressure and clear valve Pump operates erratically Clogged suction line Inspect clear Sticky or leaking balls 301 Clean or replace See page 16 Diaphragm ruptur...

Страница 13: ...H Repair or replace See pages 14 15 Worn shaft seals 402 Replace See pages 17 19 Pump leaks air externally Air valve cover 2 or air valve cover screws 3 are loose Tighten screws See page 15 Air valve gasket 4 H or air cover gas ket 22 is damaged Inspect replace See pages 14 15 20 21 Air cover screws 25 are loose Tighten screws See pages 20 21 Pump leaks fluid externally from ball check valves Loos...

Страница 14: ...cavity Remove the valve block 7 H and o ring 6 H from the carriage Using a needle nose pliers pull the pilot block 18 H straight up and out of the cavity See Fig 9 4 Pull the two actuator pistons 11 out of the bear ings 12 Remove the u cup packings 10 H from the pistons Pull the pilot pins 16 out of the bearings 15 Remove the o rings 17 H from the push pins See Fig 10 5 Inspect the valve plate 8H ...

Страница 15: ...using See Fig 11 4 Install an o ring 17 H on each pilot pin 16 Grease the pins and o rings Insert the pins into the bearings 15 narrow end first See Fig 10 5 Install a u cup packing 10 H on each actuator pis ton 11 so the lips of the packings face the narrow end of the pistons See Fig 10 6 Lubricate the u cup packings 10 H and actuator pis tons 11 Insert the actuator pistons in the bearings 12 wid...

Страница 16: ... 114 used on stainless steel pumps only holding the outlet manifold 103 to the fluid cov ers 101 See Fig 12 4 Remove the o rings 202 not used on some models seats 201 and balls 301 from the manifold 103 5 Turn the pump over and remove the inlet manifold 102 Remove the o rings 202 not used on some models seats 201 and balls 301 from the fluid covers 101 Reassembly 1 Clean all parts and inspect for ...

Страница 17: ...arts in the kit for the best results To reduce the risk of serious injury whenever you are instructed to relieve pressure always follow the Pressure Relief Procedure on page 10 Warning 1 Relieve the pressure 2 Remove the manifolds and disassemble the ball check valves as explained on page 16 3 Using a 10 mm socket wrench remove the screws 106 holding the fluid covers 101 to the air covers 23 Pull ...

Страница 18: ...the fluid side diaphragm plate 105 on the bolt so the rounded side faces the diaphragm 401 NOTE On stainless steel pumps only the fluid side dia phragm plate 105 is stainless steel This plate is not stamped with its part number Be sure to install this plate on the fluid side of the diaphragm c On PTFE models only install the PTFE dia phragm 403 Make certain the side marked AIR SIDE faces the cente...

Страница 19: ...n Place Cutaway View with Diaphragms Removed 1 Lips face out of housing 1 Rounded side faces diaphragm 401 Air Side must face center housing 1 1 Grease Apply medium strength blue LoctiteR or equivalent Torque to 27 34 NSm Used on pumps with PTFE diaphragms only 5 6 1 2 2 2 3 3 3 3 1 4 4 4 5 5 6 6 02637 02638 105 2 02636B ...

Страница 20: ... not remove undamaged bearings 8 If you removed the diaphragm shaft bearings 19 reach into the center housing 1 with an o ring pick and hook the u cup packings 402 then pull them out of the hous ing Inspect the packings See Fig 14 Reassembly 1 If removed install the shaft u cup packings 402 so the lips face out of the housing 1 2 The bearings 12 15 and 19 are tapered and can only be installed one ...

Страница 21: ...22 1 19 15 12 16 H M Insert bearings tapered end first Press fit bearings flush with surface of center housing 1 Apply medium strength blue Loctite or equivalent to the threads Torque to 15 17 NSm Detail of Air Valve Bearings 1 1 1 2 2 2 3 02639B ...

Страница 22: ...T 174 TEF TEF 810 0611 ALU SST HYT ACE HYT 810 0616 ALU SST HYT 316 HYT 810 0662 ALU SST SAN SAN SAN 810 0779 ALU SST KYN VIT VIT 810 6981 ALU SST 316 GEO GEO 810 7007 ALU SST SST SST TEF 810 7010 ALU ALU HYT ACE HYT 810 0077 ALU ALU SST SST BUN 810 0078 ALU ALU BUN BUN BUN 810 0079 ALU SST SST SST BUN 810 0081 ALU SST BUN BUN BUN 810 0191 ALU ALU SST TEF TEF 810 0192 ALU ALU GEO GEO GEO 810 0193 ...

Страница 24: ...ts List Fluid Section Material Ref No Part No Description Qty A L U 101 819 4473 COVER fluid aluminum 2 U M I 102 819 6978 MANIFOLD inlet aluminum 1 I N U M 819 4474 MANIFOLD inlet aluminum npt for 810 0191 810 0192 and 810 0193 only 1 103 819 6984 MANIFOLD outlet aluminum 1 819 4475 MANIFOLD outlet aluminum npt for 810 0191 810 0192 and 810 0193 only 104 819 4373 PLATE air side aluminum 2 105 819...

Страница 25: ... purchased as a kit J These parts are included in Air Valve Repair Kit 819 0249 sst cen ter housing models which may only be purchased as a kit Y Replacement Danger and Warning labels tags and cards are available at no cost 1 2 3 4 H 5 6 H 7 H 8H 9 10 J 11 12 15 16 17 J J 18 19 20 22 23 24 25 101 102 103 104 105 Y110 111 201 202 301 401 402 403 3 16 J 17 11 10 J 106 106 201 301 1 202 107 108 113 1...

Страница 26: ... 201 819 6866 SEAT Santoprene 4 O P R E N E 202 819 6344 O RING PTFE 8 B U N 201 819 7118 SEAT Buna N 4 N A N 202 NONE NOT USED 0 FLUO ROEL ASTO 201 819 7134 SEAT Fluoroelas tomer 4 ASTO MER 202 None Not Used 0 P O L Y P R O 201 819 4392 SEAT polypropylene 4 O P Y L E N E 202 819 6344 O RING PTFE 8 P V 201 819 4393 SEAT PVDF 4 V D F 202 819 6344 O RING PTFE 8 G E O L 201 819 7057 SEAT Geolast 4 L ...

Страница 27: ...2 E 402 819 4284 PACKING u cup nitrile 2 403 819 4402 DIAPHRAGM PTFE 2 T P 401 819 4401 DIAPHRAGM TPE 2 P E 402 819 4284 PACKING u cup nitrile 2 S A N T O 401 819 4403 DIAPHRAGM Santoprene 2 O P R E N E 402 819 4284 PACKING u cup nitrile 2 B U N 401 819 7130 DIAPHRAGM buna N 2 N A N 402 819 4284 PACKING u cup nitrile 2 FLUOR OELAS TOMER 401 819 7131 DIAPHRAGM Fluoroelastomer 2 TOMER 402 819 4284 P...

Страница 28: ...equence when instructed to torque fasteners 1 Left Right Fluid Cover Torque bolts to 14 17 NSm SIDE VIEW 4 2 7 5 3 6 8 1 2 Inlet Manifold Torque bolts to 14 17 NSm BOTTOM VIEW 9 12 11 10 3 Outlet Manifold Torque bolts to 14 17 NSm TOP VIEW 13 16 15 14 ...

Страница 29: ...pt Fluid Outlet 3 4 npt f Air Exhaust muffler included 02665B 355 6 mm 1 in bspt Optional Fluid Inlet 139 7 mm 1 in bspt Optional Fluid Outlet 127 mm 235 mm 02682 02681 127 mm 139 7 mm PUMP MOUNTING HOLE PATTERN Four 8 7 mm diameter holes 1 On aluminum pumps only 1 1 1 in npt on 810 0191 810 0192 810 0193 and 810 0194 ...

Страница 30: ...el air motors 22 0 kg Loctiter is a registered trademark of the Loctite Corporation Santoprener is a registered trademark of the Monsanto Co Sound pressure levels measured with the pump mounted on the floor using Rubber Foot Kit 819 4333 Sound power measured per ISO Standard 9614 2 1 in npt for 810 0191 810 0192 810 0193 and 810 0194 TEST CONDITIONS The pump had a 2 piece PTFE diaphragm and was te...

Страница 31: ...819 4470 31 Notes ...

Страница 32: ...urchase price WARRANTY DISCLAIMER VERDER has made an effort to illustrate and describe the products in the enclosed brochure accurately however such illustra tions and descriptions are for the sole purpose of identification and do not express or imply a warranty that the products are mer chantable or fit for a particular purpose or that the products will necessarily conform to the illustration or ...

Страница 33: ...ινωμένο όργανο Οδηγίας Organismo notificado relativamente à directiva Organismo notificado de la directiva Direktiivin mukaisesti ilmoitettu tarkastuslaitos Anmält organ för direktivet Úředně oznámený orgán pro směrnici Teavitatud asutus direktiivi järgi Az irányelvvel kapcsolatban értesített testület Pilnvarotā iestāde saskaņā ar direktīvu Apie direktyvą Informuota institucija Ciało powiadomione ...

Страница 34: ...dia India India Verder India Pumps Pvt Ltd Plot No 3B D 1 Block MIDC Chinchwad Pune 411019 INDIA e mail Sales verder co in www verder co in Italy Italy Italy Verder Italia Via Maestri Del lavoro 5 02100 Vazia Rieti ITALY Tel 39 07 46 229064 e mail info verder it The The The Netherlands Netherlands Netherlands Verder BV Leningradweg 5 NL 9723 TP Groningen THE NETHERLANDS Tel 31 50 549 59 00 Fax 31 ...

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