VERDER VA 50 Instructions-Parts List Manual Download | Manualshive

Page: 21 / 36

background image

819.4496

21

Service

Reassembly – Overmolded Diaphragms

1.

Lubricate and install the shaft u–cup packings (402*) so
the lips face out of the housing (1). See F

2.

Assemble the air side plate (104) onto the diaphragm
(403). The wide, radiused side of the plate must face the
diaphragm. Apply medium–strength (blue) Loctite or
equivalent to the threads of the diaphragm assembly.
Screw the assembly into the shaft (24) hand–tight.

3.

Grease the length and ends of the diaphragm shaft (24).
Insert the shaft/diaphragm assembly into one side of the
pump. Align the fluid cover (101) and the center housing
so the arrow (A) faces the same direction as the air
valve. Secure the cover with the screws (107 and 108),
handtight.

4.

Torque the longer screws (108) oppositely and evenly to
21–25 N•m (190–220 in–lb), using a 13mm socket
wrench. Then torque the shorter screws (107). See
Diaphragm Kits, page 29.

5.

Assemble the other diaphragm assembly to the shaft as
explained in step 2. This diaphragm will be lifted off the
air cover at this point.

6.

Supply the pump with low pressure air (less than 0.5 bar
[0.05 MPa, 7 psi]). The diaphragm will very slowly pull
onto the air cover. Find the pressure that keeps the
diaphragm close enough to secure with the screws, but
does not let it contact the pilot pin.

NOTE: Do not deform the diaphragm manually. The
diaphragm needs uniform pressure to deform properly for
maximum life.

7.

Align the fluid cover (101) and the center housing (1) so
the arrow (A) faces the same direction as the air valve.
Secure the cover with two of the longer screws (108),
handtight.

NOTE: If the diaphragm contacts the pilot pin and is forced
away from the air cover, try Step 5 again. If necessary, return
to Step 3.

8.

Torque the longer screws (108) oppositely and evenly to
21–25 N•m (190–220 in–lb), using a 13mm socket
wrench. Then torque the shorter screws (107). See
Diaphragm Kits, page 29.

9.

Reassemble the ball check valves and manifolds as
explained on page 18.

WARNING

To reduce the risk of serious injury, including amputation,
do not put your fingers or hand between the air cover and
the diaphragm.

«
...
19
20
21
22
23
...
»

Summary of Contents for VA 50

Page 1: ...ent No CN ZL941026434 4 FR 9408894 JA 35107270 US 5 368 452 Applies only to pumps with conductive polypropylene fluid sections Important Safety Instructions Read all warnings and instructions in this manual Save these instructions II 2 GD Ex h IIC 66 C 135 C Gb Ex h IIIC T135 C Db 04613B CONDUCTIVE POLYPROPYLENE POLYPROPYLENE AND PVDF VERDERAIR VA 50 Air Operated Diaphragm Pumps ...

Page 2: ...ls 4 Installation 6 Operation 13 Pressure Relief Procedure 13 Maintenance 14 Troubleshooting 15 Service 16 Repairing the Air Valve 16 Ball Check Valve Repair 18 Diaphragm Repair 19 Bearing and Air Gasket Removal 23 Repair Kit Listing 25 ...

Page 3: ...nductive Polypropylene A Aluminum BN Buna N K PVDF S Stainless Steel HY TPE P Polypropylene KY PVDF PP Polypropylene SP Santoprene SS Stainless Steel VT FKM Balls 6 Diaphragm 7 Connections 8 Options 9 BN Buna N BN Buna N FE End Flange 00 Standard GE Geolast GE Geolast RE Remote HY TPE HY TPE SP Santoprene SP Santoprene TF PTFE TF PTFE EPDM 2 Piece VT FKM TO PTFE EPDM Overmolded VT FKM Conductive P...

Page 4: ...rvice Do not alter or modify this equipment Check equipment daily Repair or replace worn or damaged parts immediately Do not exceed the maximum working pressure of the lowest rated component in your system This equipment has a 8 3 bar maximum working pressure at 8 3 bar maximum incoming air pressure Use fluids and solvents which are compatible with the equipment wetted parts Refer to the Technical...

Page 5: ...pump in an explosive atmosphere or with non conductive flammable fluids as specified by your local fire protection code Refer to Grounding on page 6 for additional information Consult your fluid supplier to determine the conductivity or resistivity of your fluid If there is any static sparking or you feel an electric shock while using this equipment stop pumping immediately Do not use the equipmen...

Page 6: ...ding strip grounds only the airmotor When pumping conductive flammable fluids always ground the entire fluid system by making sure the fluid has an electrical path to a true earth ground See FIG 1 Never use a non conductive polypropylene or PVDF pump in an explosive atmosphere or with non conductive flammable fluids as specified by your localfire protection code U S Code NFPA 77 Static Electricity...

Page 7: ...Connect the clamp end of the ground wire to a true earth ground Order Part No 819 0157 Ground Wire and Clamp NOTE When pumping conductive flammable fluids with a non conductive polypropylene or a PVDF pump always ground the entire fluid system See the Warning on page 6 Air and Fluid hoses Use only electrically conductive hoses Air compressor Follow the manufacturer s recommendations All solvent pa...

Page 8: ...coupler porting is large enough to not restrict the air flow which will affect pump performance Screw the mating fitting intothe pump air inlet snugly Do not connect the coupler D to the fitting until you are ready to operate the pump FLOOR MOUNT TYPICAL INSTALLATION FIG 2 _______________________________________________________________________ Warning A bleed type master air valve B is required in...

Page 9: ...uid inlet pressure to the pump is more than 25 of the outlet working pressure the ball check valves will not close fast enough resulting in inefficient pump operation 3 At inlet fluid pressures greater than 1 05 bar diaphragm life will be shortened 4 See the Technical Data on page 33 for maximum suction lift wet and dry Fluid Outlet Line 1 The pump fluid outlet S is a 2 in raised face flange Refer...

Page 10: ...Align the holes in the gasket B and the pipe flange A with the holes in the pump outlet flange S 3 Lubricate the threads of the four bolts Install the bolts through the holes and secure with the washers E lockwashers D and nuts F 4 Hold the nuts with a wrench Refer to the tightening sequence in FIG 3 and torque the bolts to 27 41 N m Do not over torque 5 Repeat for the pump inlet flange R BOLT TIG...

Page 11: ...____________ KEY N 1 2 npt f Air Inlet Port P Muffler Air Exhaust Port is 3 4 npt f R 2 in Fluid Inlet Flange S 2 in Fluid Outlet Flange 101 Fluid Covers 102 Fluid Inlet Manifold 103 Fluid Outlet Manifold 106 Fluid Outlet Manifold Screws Top 112 Fluid Inlet Manifold Screws Bottom 113 FluidOutletManifold Washers 114 Fluid Inlet Manifold Washers 1 04613B N P R S 1 103 102 101 1 106 112 113 114 Cauti...

Page 12: ...is required use a larger diameter hose Avoid sharp bends or kinks in the hose See FIG 6 3 Place a container U at the end of the air exhaust line to catch fluid in case a diaphragm ruptures VENTING EXHAUST AIR FIG 6 _______________________________________________________________________ Warning FIRE AND EXPLOSION HAZARD Be sure to read and follow the warnings and precautions regarding TOXIC FLUID H...

Page 13: ...iner 5 Close the fluid drain valve J See FIG 2 6 With the pump air regulator C closed open all bleed type master air valves B E 7 If the fluid hose has a dispensing device hold it open while continuing with the following step 8 Slowly open the air regulator C until the pump starts to cycle Allow the pump to cycle slowly until all air is pushed out of the lines and the pump is primed If you are flu...

Page 14: ...me Tightening Threaded Connections Before each use check all hoses for wear or damage and replace as necessary Check to be sure all threaded connections are tight and leak free Check fasteners Tighten or retorque as necessary Although pump use varies ageneral guideline is to retorque fasteners every two months See Diaphragm Kits page 29 Preventive Maintenance Schedule Establish a preventive mainte...

Page 15: ...ge18 Diaphragm ruptured Replace See pages 19 22 Restricted exhaust Remove restriction Air bubbles in fluid Diaphragm ruptured Replace See pages 19 22 Loose inlet manifold 102 damaged seal between manifold and seat 201 damaged o rings 202 Tighten manifold bolts 112 orreplace seats 201 or o rings 202 See page 18 Loose fluid side diaphragm plate 105 Tighten or replace See pages19 22 Fluid in exhaust ...

Page 16: ...e two actuator pistons 11 out of the bearings 12 Remove the u cup packings 10 from the pistons Pull the pilot pins 16 out of the bearings 15 Remove the o rings 17 from the pilot pins See FIG 9 5 Inspect the valve plate 8 in place If damaged use a Torx T20 screwdriver or 7 mm socket wrench to remove the three screws 3 Remove the valve plate 8 and on aluminum center housing models remove the seal 9 ...

Page 17: ...ckings face the narrow end of the pistons See FIG 9 6 Lubricate the u cup packings 10 and actuator pistons 11 Insert the actuator pistons in the bearings 12 wide end first Leave the narrow end of the pistons exposed See FIG 9 7 Grease the lower face of the pilot block 18 and install so its tabs snap into the grooves on the ends of the pilot pins 16 See FIG 8 8 Grease the o ring 6 and install it in...

Page 18: ...ls 301 and o rings 202 from the manifold NOTE Some models do not use o rings 202 5 Turn the pump over and remove the bolts 112 washers 114 and inlet manifold 102 Remove the seats 201 balls 301 and o rings 202 from the fluid covers 101 Reassembly 1 Clean all parts and inspect for wear or damage Replace parts as needed 2 Reassemble in the reverse order following all notes in FIG 11 Be sure the ball ...

Page 19: ...nifolds and disassemble the ball check valves as explained on page 18 3 Using 13 mm socket wrenches remove the screws 107 and 108 holding the fluid covers 101 to the air covers 23 Pull the fluid covers 101 off the pump See FIG 12 FIG 12 ___________________________________________________ Warning To reduce the risk of serious injury whenever you are instructed to relieve pressure always follow the ...

Page 20: ...ck and hook the u cup packings 402 then pull them out of the housing This can be done with the bearings 19 in place 8 Clean all parts and inspect for wear or damage Replace parts as needed Reassembly Standard Diaphragms 1 Grease the shaft u cup packings 402 and install them so the lips face out of the housing 1 See FIG 13 2 Grease the length and ends of the diaphragm shaft 24 and slide it through ...

Page 21: ...ed in step 2 This diaphragm will be lifted off the air cover at this point 6 Supply the pump with low pressure air less than 0 5 bar 0 05 MPa 7 psi The diaphragm will very slowly pull onto the air cover Find the pressure that keeps the diaphragm close enough to secure with the screws but does not let it contact the pilot pin NOTE Do not deform the diaphragm manually The diaphragm needs uniform pre...

Page 22: ...___________________________ 04708 03982 24 104 401 403 105 19 402 1 1 1 2 4 2 3 5 24 104 403 401 24 1 105 3 3 2 2 4 5 04621B Lips face out of housing 1 Air Side must face center housing 1 Grease Used on Models with two piece PTFE diaphragms only Apply medium strength blue Loctite or equivalent Torque to 27 to 34 N m at 100 rpm maximum 1 2 3 4 5 ...

Page 23: ...kings 402 then pull them out of the housing Inspect the packings See FIG 13 Reassembly 1 If removed install the shaft u cup packings 402 so the lips face out of the housing 1 2 The bearings 19 12 and 15 are tapered and can only be installed one way Insert the bearings into thecenter housing 1 tapered end first Using a press or a block and rubber mallet press fit the bearing so it is flush with the...

Page 24: ...________________________________________________________ 03951 25 23 22 1 19 15 12 16 H M 1 1 1 2 2 2 3 1 03952B Insert bearings tapered end first Press fit bearings flush with surface of center housing 1 Torque to 15 17 N m 1 2 3 Detail of Air Valve Bearings ...

Page 25: ...9 4509 TF 819 4510 HY 819 4511 SP 819 4512 VT 819 4513 TF 819 4533 SP 819 4538 VT 819 4549 SS TF TF TF 819 4559 SS HS TF TF 819 4562 SS HS VT TF 819 4565 SS HY HY TF 819 4571 SS SP SP TF 819 4572 SS SP VT TF 819 4577 SS VT VT TF 819 4584 HS TF TF TF 819 4594 HS HS TF TF 819 4606 HS SP SP TF 819 4619 HY TF TF 819 4622 HY TF VT 819 4625 HY AC HY 819 4633 HY HY 819 4635 HY HY HY 819 4651 SP SP TF 819...

Page 26: ...4291 BEARING shaft acetal 2 20 819 0220 SCREW grounding 1 22 819 4294 GASKET air cover foam 2 23 819 4295 COVER air aluminum 2 819 7110 COVER air stainless steel 2 24 819 4296 SHAFT diaphragm sst 1 25 819 7051 SCREW M8 x 1 25 25 mm 12 Fluid Section Material Ref No 101 819 4497 COVER fluid 2 polypropylene 819 0279 COVER fluid conductive polypropylene 2 102 819 4498 MANIFOLD inlet polypropylene 1 81...

Page 27: ...inum 2 105 819 4504 PLATE fluid side PVDF 2 106 819 4375 SCREW M8 x 1 25 70 mm sst 8 107 819 4491 SCREW M10 x 1 50 60 mm sst 16 108 819 9753 SCREW M10 x 1 50 110 mm sst 8 110 819 6314 LABEL warning 1 111 819 7000 MUFFLER 1 112 819 4377 SCREW M8 x 1 25 40 mm sst 8 113 819 9758 WASHER manifold outlet 4 114 819 9759 WASHER manifold inlet 4 P O L Y V I N Y L I D E N E F L U O R I D E K ...

Page 28: ... 819 4274 aluminum center housing models which may only be purchased as a kit These parts are included in Air Valve Repair Kit 819 0249 stainless steel center housing models which may only be purchased as a kit 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 25 102 103 104 105 107 110 111 108 201 202 301 401 402 40...

Page 29: ...T 1 202 Not required Ball Material Ref No Kit No Description Qty AC 301 819 4518 VA50P AC 1 BN 301 819 0042 VA50P BN 1 HY 301 819 4528 VA50P HY 1 VT 301 819 4538 VA50P VT 1 SP 301 819 4533 VA50P SP 1 HS 301 819 4523 VA50P HS 1 TF 301 819 4513 VA50P TF 1 Diaphragm Material Ref No Kit No Description Qty BN 401 819 0043 VA50P BN 1 402 Included in above kit HY 401 819 4510 VA50P HY 1 402 Included in a...

Page 30: ...ted to torque fasteners 1 Left Right Fluid Covers Torque bolts to 22 25 N m SIDE VIEW 2 Inlet Manifold Torque bolts to 17 18 N m BOTTOM VIEW 3 Outlet Manifold Torque bolts to 17 18 N m BOTTOM VIEW 12 11 1 2 3 4 5 6 7 9 8 10 16 14 18 17 13 15 19 20 24 22 26 25 21 23 27 28 ...

Page 31: ...r Inlet 3 4 npt f Air Exhaust muffler included Port Diameter 56 mm Flange Diameter 152 5 mm Eight 19 mm slots 152 5 mm 317 5 mm Dimensions B C F G H and M can vary by up to 1 4 in 6 3 mm depending on the seat and diaphragm material fitted in the pump PUMP MOUNTING HOLE PATTERN Four 16 mm Dia Holes ...

Page 32: ...280 11 0 280 11 0 280 11 0 280 C 13 7 349 13 6 345 13 7 349 13 6 345 D 6 0 152 6 0 152 6 0 152 6 0 152 E 19 7 501 19 6 499 19 7 501 19 6 499 F 19 2 487 19 1 484 19 2 487 19 1 484 G 22 7 576 22 6 573 22 7 576 22 6 573 H 25 7 652 25 6 649 25 7 652 25 6 649 J 3 5 89 3 5 89 3 5 89 3 5 89 K 0 5 13 0 5 13 0 5 13 0 5 13 L 6 0 152 6 0 152 6 0 152 6 0 152 M 8 0 203 8 0 203 8 0 203 8 0 203 ...

Page 33: ... maximum fluid temperature in aluminum or stainless steel pumps is 320 F 160 C NOTICE Temperature limits are based on mechanical stress only Certain chemicals will further limit the fluid temperature range Stay within the temperature range of the most restricted wetted component Operating at a fluid temperature that is too high or too low for the components of your pump may cause equipment damage ...

Page 34: ...3 min air consumption at 4 9 bar inlet air pressure 114 2 8 1 4 4 2 85 3 73 2 61 0 48 8 36 6 24 4 12 2 0 5 6 7 0 8 4 A B C D A B C D E F G H E F G H 227 341 568 454 0 0 FLUID FLOW L MIN INLET AIR PRESSURES 8 4 bar air 7 bar 4 9 bar air 2 8 air AIR CONSUMPTION 0 70 N m3 min 1 40 N m3 min 2 10 N m3 min 2 80 N m3 min PUMP DISCHARGED HEAD TEST CONDITIONS Pump tested in water with PTFE diaphragm and in...

Page 35: ...RRANTY 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 PRODU...

Page 36: ...LO LQIR YHUGHU KX QGLD 9HUGHU QGLD 3XPSV 3YW WG 3ORW 1R ORFN 0 KLQFKZDG 3XQH 1 H PDLO 6DOHV YHUGHU FR LQ ZZZ YHUGHU FR LQ WDO 9HUGHU WDOLD 9LD 0DHVWUL HO ODYRUR 9D LD 5LHWL 7 7HO H PDLO LQIR YHUGHU LW 7KH 1HWKHUODQGV 9HUGHU 9 HQLQJUDGZHJ 1 73 URQLQJHQ 7 1 7 5 1 6 7HO D H PDLO LQIR YHUGHU QO 3RODQG 9HUGHU 3ROVND XO 3RUFHODQRZD 3 ದ DWRZLFH 32 1 7HO D H PDLO YHUGHU YHUGHU SO 5RPDQLD 9HUGHU 5RP QLD UX...

Reviews:

No comments

Related manuals for VA 50

Brand: Gardena Pages: 17

Brand: Jandy Pages: 96

Brand: Calpeda Pages: 80

Brand: Danfoss Pages: 26

Brand: Calpeda Pages: 80

Brand: Danfoss Pages: 24

Brand: Danfoss Pages: 34

Brand: Danfoss Pages: 52

Brand: Austria Email Pages: 32

Brand: Gorenje Pages: 72

Brand: Campbell Pages: 2

Brand: York Pages: 24

Brand: Bradford White Pages: 21

Brand: Daewoo Pages: 16

Brand: TTulpe Pages: 24

Brand: CME Pages: 28

Brand: Wilo Pages: 16

Brand: Pentair Pages: 12

Brands by name

0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Popular brands

Load more brands