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819.4470

Repair Kit Listing

VERDER

AIR

VA 25

Aluminum and Stainless Steel Pumps, Series B

Repair Kits may only be ordered as kits. To repair the air valve, order

Part No. 819.4274

(see page 24). Parts included in the Air

Valve Repair Kit are marked with a symbol in the parts list, for example (2

{

). The list of existing Repair Kits is below:

Part No.

O-Rings

Seats

Balls

Diaphragms

ÁÁÁÁÁ

819.0781

ÁÁÁÁ

TEF

ÁÁÁÁ

NUL

ÁÁÁ

NUL

ÁÁÁÁÁ

TEF

ÁÁÁÁÁ

819.0782

ÁÁÁÁ

TEF

ÁÁÁÁ

NUL

ÁÁÁ

NUL

ÁÁÁÁÁ

HYT

ÁÁÁÁÁ

819.0783

ÁÁÁÁ

TEF

ÁÁÁÁ

NUL

ÁÁÁ

NUL

ÁÁÁÁÁ

SAN

ÁÁÁÁÁ

819.0784

ÁÁÁÁ

TEF

ÁÁÁÁ

NUL

ÁÁÁ

NUL

ÁÁÁÁÁ

BUN

ÁÁÁÁÁ

819.0785

ÁÁÁÁ

TEF

ÁÁÁÁ

NUL

ÁÁÁ

NUL

ÁÁÁÁÁ

VIT

ÁÁÁÁÁ

819.0844

ÁÁÁÁ

TEF

ÁÁÁÁ

ACE

ÁÁÁ

ACE

ÁÁÁÁÁ

BUN

ÁÁÁÁÁ

819.0864

ÁÁÁÁ

TEF

ÁÁÁÁ

ACE

ÁÁÁ

BUN

ÁÁÁÁÁ

NUL

ÁÁÁÁÁ

819.0868

ÁÁÁÁ

TEF

ÁÁÁÁ

ACE

ÁÁÁ

BUN

ÁÁÁÁÁ

BUN

819.3795

TEF

ACE

GEO

ÁÁÁÁÁ

819.0882

ÁÁÁÁ

TEF

ÁÁÁÁ

316

ÁÁÁ

TEF

ÁÁÁÁÁ

NUL

ÁÁÁÁÁ

819.0883

ÁÁÁÁ

TEF

ÁÁÁÁ

316

ÁÁÁ

TEF

ÁÁÁÁÁ

TEF

ÁÁÁÁÁ

819.0884

ÁÁÁÁ

TEF

ÁÁÁÁ

316

ÁÁÁ

TEF

ÁÁÁÁÁ

HYT

ÁÁÁÁÁ

819.0895

ÁÁÁÁ

TEF

ÁÁÁÁ

316

ÁÁÁ

316

ÁÁÁÁÁ

TEF

ÁÁÁÁÁ

819.0901

ÁÁÁÁ

TEF

ÁÁÁÁ

316

ÁÁÁ

440

ÁÁÁÁÁ

TEF

ÁÁÁÁÁ

819.0906

ÁÁÁÁ

TEF

ÁÁÁÁ

316

ÁÁÁ

SAN

ÁÁÁÁÁ

NUL

ÁÁÁÁÁ

819.0909

ÁÁÁÁ

TEF

ÁÁÁÁ

316

ÁÁÁ

SAN

ÁÁÁÁÁ

SAN

ÁÁÁÁÁ

819.0912

ÁÁÁÁ

TEF

ÁÁÁÁ

316

ÁÁÁ

BUN

ÁÁÁÁÁ

NUL

ÁÁÁÁÁ

819.0916

ÁÁÁÁ

TEF

ÁÁÁÁ

316

ÁÁÁ

BUN

ÁÁÁÁÁ

BUN

ÁÁÁÁÁ

819.0918

ÁÁÁÁ

TEF

ÁÁÁÁ

316

ÁÁÁ

VIT

ÁÁÁÁÁ

NUL

ÁÁÁÁÁ

819.0923

ÁÁÁÁ

TEF

ÁÁÁÁ

316

ÁÁÁ

VIT

ÁÁÁÁÁ

VIT

819.3796

TEF

316

GEO

ÁÁÁÁÁ

819.0943

ÁÁÁÁ

TEF

ÁÁÁÁ

174

ÁÁÁ

316

ÁÁÁÁÁ

TEF

ÁÁÁÁÁ

819.0949

ÁÁÁÁ

TEF

ÁÁÁÁ

174

ÁÁÁ

440

ÁÁÁÁÁ

TEF

ÁÁÁÁÁ

819.0957

ÁÁÁÁ

TEF

ÁÁÁÁ

174

ÁÁÁ

SAN

ÁÁÁÁÁ

SAN

ÁÁÁÁÁ

819.0984

ÁÁÁÁ

TEF

ÁÁÁÁ

HYT

ÁÁÁ

ACE

ÁÁÁÁÁ

NUL

ÁÁÁÁÁ

819.0986

ÁÁÁÁ

TEF

ÁÁÁÁ

HYT

ÁÁÁ

ACE

ÁÁÁÁÁ

HYT

ÁÁÁÁÁ

819.0992

ÁÁÁÁ

TEF

ÁÁÁÁ

HYT

ÁÁÁ

316

ÁÁÁÁÁ

HYT

ÁÁÁÁÁ

819.1050

ÁÁÁÁ

TEF

ÁÁÁÁ

SAN

ÁÁÁ

SAN

ÁÁÁÁÁ

NUL

ÁÁÁÁÁ

819.1053

ÁÁÁÁ

TEF

ÁÁÁÁ

SAN

ÁÁÁ

SAN

ÁÁÁÁÁ

SAN

ÁÁÁÁÁ

819.1123

ÁÁÁÁ

TEF

ÁÁÁÁ

POL

ÁÁÁ

TEF

ÁÁÁÁÁ

TEF

ÁÁÁÁÁ

819.1156

ÁÁÁÁ

TEF

ÁÁÁÁ

POL

ÁÁÁ

BUN

ÁÁÁÁÁ

BUN

819.3798

TEF

GEO

ACE = Acetal BUN = Buna-N HYT = Hytrel POL = Polypropylene 316 = 316 sst TEF = PTFE SAN = Santoprene
VIT = Viton 174 = 17–4PH sst NUL = Null 440 = 440C sst GEO = Geolast

Содержание 819.0781

Страница 1: ...25 HP Air Operated Diaphragm Pumps16 16 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 Patents Pending This manual contains important warnings and information READ AND RETAIN FOR REFERENCE INSTRUCTIONS Parts ...

Страница 2: ...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 16 bar maximum working pressure at 8 4 bar maximum incoming air pressure D Use fluids and solvents which are co...

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: ... retorque the fasteners again Although the recommended frequency for retorquing of fasteners varies with pump usage a general 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...

Страница 5: ...r master air valve E upstream from all air line accessories and use it to isolate 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 th...

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: ...lled in one end of each manifold and the opposite end open See Fig 5 To change 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 ...

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: ...t or ambient heat or when pumping from a cool to 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 ...

Страница 10: ...ing the 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 workin...

Страница 11: ...gh 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 tions are tight and leak free Check and retorque ...

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: ...air 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 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 Loose manif...

Страница 14: ...emove the valve block 7 and o ring 6 from the carriage Using a needle nose pliers pull the pilot block 18 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 from the pis tons Pull the pilot pins 16 out of the bearings 15 Re move the o rings 17 from the push pins See Fig 10 5 Inspect the valve plate 8 in place If damag...

Страница 15: ... 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 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 and actuator pis tons 11 Insert the actuator pistons in the bearings 12 wide end first Leave the narrow end of the pistons ex po...

Страница 16: ...s 106 and nuts 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 an...

Страница 17: ...Use all the parts 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 co...

Страница 18: ...07 b Install 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 fa...

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: ...SST 316 TEF TEF 815 0563 ALU SST 316 BUN BUN 815 0569 ALU SST 316 VIT VIT 815 0570 ALU SST 174 TEF TEF 815 0611 ALU SST HYT ACE HYT 815 0616 ALU SST HYT 316 HYT 815 0662 ALU SST SAN SAN SAN 815 0779 ALU SST KYN VIT VIT 815 6981 ALU SST 316 GEO GEO 815 7007 ALU SST SST SST TEF 815 7010 ALU ALU HYT ACE HYT 815 0077 ALU ALU SST SST BUN 815 0078 ALU ALU BUN BUN BUN 815 0079 ALU SST SST SST BUN 815 008...

Страница 24: ... 7104 COVER air stainless steel 2 24 829 4369 SHAFT diaphragm sst 1 25 819 7051 SCREW M8 x 1 25 25 mm 12 Fluid Section Parts 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 I U 103 819 6984 MANIFOLD outlet aluminum 1 U M 104 819 4373 PLATE air side aluminum 2 105 819 4373 PLATE fluid side aluminum...

Страница 25: ...uded in Air Valve Repair Kit 819 4274 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 5 6 7 8 9 10 11 12 15 16 17 18 19 20 22 23 24 25 101 102 103 104 105 Y110 111 201 202 301 401 402 403 3 16 17 11 10 106 106 201 301 1 202 107 108 113 113 106 114 2 Not used on stainless steel pumps 3 Not used on aluminum pumps 2 2 3 4 No...

Страница 26: ...sed 0 S A N T O 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 V I T 201 819 7134 SEAT Viton 4 T O N 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 K Y N 201 819 4393 SEAT Kynar 4 N A R 202 819 6344 O RING PTFE 8 G E O L 201 819 7057 SEAT Geolast 4 L A S T...

Страница 27: ...No Description Qty P T F 401 819 4401 DIAPHRAGM backup Hytrel 2 F E 402 819 4284 PACKING u cup nitrile 2 403 819 4402 DIAPHRAGM PTFE 2 H Y T 401 819 4401 DIAPHRAGM Hytrel 2 T R E L 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 V I 40...

Страница 28: ...n bspt Fluid Inlet 1 in bspt 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 ...

Страница 29: ...ess steel air motors 22 0 kg Vitonr and Hytrelr are registered trademarks of the DuPont Co Loctiter is a registered trademark of the Loctite Corporation Santoprener is a registered trademark of the Monsanto Co Kynarr is a registered trademark of Atochem North America Inc Sound pressure levels measured with the pump mounted on the floor using Rubber Foot Kit 819 4333 Sound power measured per ISO St...

Страница 30: ...nd shall not exceed the purchase 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 confor...

Страница 31: ...nery Directive ISO 9614 1 94 9 EC ATEX Directive Ex II 2 G EEx c IIA T6 0359 Part No 819 5961 EN 292 EN 1127 1 EN 13463 1 815 0073 to 815 0088 815 0220 to 815 0779 815 5460 to 815 5539 815 2680 to 815 3414 DIRECTOR Print Frank Meersman VERDERAIR VA 25 815 7009 to 815 7018 815 6975 to 815 6982 815 5599 to 815 5698 ...

Страница 32: ...l 03 3263336 Fax 03 3263650 France POMPES VERDER s a r l Rue de Bouvreill F 95610 Eragny sur Oise Tel 01 34 64 31 11 Fax 01 34 64 44 50 Romania VERDER Romania s r l Soseaua Viilor no 79 RO Sector 5 Bucuresti Tel 01 335 45 92 Fax 01 337 33 92 Czech Republic VERDER Praha s r o Pod pekàrnami 15 CZ 19000 Praha 9 Tel 02 6603 21 17 Fax 02 6603 21 15 The Netherlands VERDER VLEUTEN B V Utrechtseweg 4a PO ...

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