Graco 205435 Instructions Manual Download Page 1

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306715

Rev. G

Supersedes Rev. F

First choice when

quality counts.

06479

06480

INSTRUCTIONS-PARTS LIST

INSTRUCTIONS

This manual contains important
warnings and information.
READ AND KEEP FOR REFERENCE.

Stainless Steel, Air-Operated

Dispensing Valve

3000 psi (21.0 MPa, 210 bar) Maximum Working Pressure

Model 205612, Series B

Without seat or fluid needle

Model 205435

Includes Dispensing Valve 205612, chrome-plated
tapered fluid needle, and seat.

Model 207440, Series D

Includes chrome-plated fluid needle with tungsten
carbide ball, and seat.

GRACO INC.

P.O. BOX 1441

MINNEAPOLIS, MN

55440–1441

Graco Inc. is registered to I.S. EN ISO 9001

Parts

Contents

Summary of Contents for 205435

Page 1: ...pensing Valve 3000 psi 21 0 MPa 210 bar Maximum Working Pressure Model 205612 Series B Without seat or fluid needle Model 205435 Includes Dispensing Valve 205612 chrome plated tapered fluid needle and seat Model 207440 Series D Includes chrome plated fluid needle with tungsten carbide ball and seat GRACO INC P O BOX 1441 MINNEAPOLIS MN 55440 1441 ECOPYRIGHT 1997 GRACO INC Graco Inc is registered t...

Page 2: ... Service 11 Needle Seat and Packings 11 Air Piston Spring and Seals 11 Packing Configurations 11 Parts 12 Model 205435 12 Model 205612 Series B 12 Model 207440 Series D 13 Manual Change Summary 13 Dimensions 15 Technical Data 15 Graco Standard Warranty 16 Graco Phone Number 16 Symbols Warning Symbol WARNING This symbol alerts you to the possibility of serious injury or death if you do not follow t...

Page 3: ...he Pressure Relief Procedure on page 8 whenever you are instructed to relieve pres sure stop dispensing clean check or service the equipment and install or clean the nozzle D Tighten all the fluid connections before operating the equipment D Check the hoses tubes and couplings daily Replace worn damaged or loose parts immediately Permanently coupled hoses cannot be repaired replace the entire hose...

Page 4: ...or professional use only D Read all the instruction manuals tags and labels before operating the equipment D Use the equipment only for its intended purpose If you are uncertain about usage call your Graco distributor D Do not alter or modify this equipment Use only genuine Graco parts and accessories D Check the equipment daily Repair or replace worn or damaged parts immediately D Do not exceed t...

Page 5: ... as instructed in your separate pump instruction manual D Air compressors and hydraulic power supplies ground according to the manufacturer s recommen dations D Air and fluid hoses use only electrically conductive hoses with a maximum of 500 feet 150 m com bined hose length to ensure grounding continuity D Dispensing valve obtain grounding through con nection to a properly grounded fluid hose and ...

Page 6: ...et your particular needs Ventilate the Dispense Booth WARNING To prevent hazardous concentrations of toxic and or flammable vapors use this valve only in a properly ventilated dispense booth Never operate the dispensing valve unless ventilation fans are operating Mount Valve Mount the valve on a 0 50 in 12 7 mm diameter rod Y on a mounting fixture or a dispensing machine See Fig 1 and the Typical ...

Page 7: ...ensures regulated pressure to all dispensing valves in the system System Accessories WARNING Two accessories are required in your system a bleed type master air valve A and a fluid drain valve D These accessories help reduce the risk of serious injury including fluid injection splashing in the eyes or on the skin and injury from moving parts if you are adjusting or repairing the pump The bleed typ...

Page 8: ...e Typical Installation on page 6 Fig 2 06482 16 22 Model 207440 Shown 1 1 Oil Daily 12 Pressure Relief Procedure WARNING INJECTION HAZARD Fluid under high pressure can be in jected through the skin and cause serious injury To reduce the risk of an injury from injection splashing fluid or moving parts follow the Pressure Relief Procedure whenever you D are instructed to relieve the pressure D stop ...

Page 9: ...es lubricants and tends to damage packings To remove a hardened particle from the orifice blow air through the orifice from the front Flushing WARNING To reduce the risk of serious injury whenever you are instructed to relieve pressure always follow the Pressure Relief Procedure on page 8 Before flushing be sure the entire system and flushing pails are properly grounded Refer to Grounding on page ...

Page 10: ...id pressure too low Increase air pressure to pump or adjust fluid pressure regulator Valve will not stop dispensing Fluid pressure too high Reduce air pressure to pump or adjust fluid pressure regulator Fluid needle binding Clean repair Piston packing binding Repair Obstructed or worn needle or seat Clean or replace Valve will not dispense Pump not operating Refer to separate pump manual Fluid lin...

Page 11: ...pring and Seals WARNING To reduce the risk of serious injury whenever you are instructed to relieve pressure always follow the Pressure Relief Procedure on page 8 Relieve the pressure then disassemble the valve as explained above Remove the air cylinder cap 13 take out the spring 14 and pull the piston 16 out Clean and inspect all parts Check the piston o rings 5 and 6 carefully Lubricate all part...

Page 12: ...8 162782 LOCKNUT hex 9 16 18 1 9 166258 PACKING flat leather 1 10 164313 NUT packing 1 11 164736 PIN adjusting screw 1 12 164737 SCREW adjusting 1 13 164738 CAP air cylinder 1 14 164739 SPRING helical compression 1 15 164740 GUIDE spring 1 16 164741 PISTON air 1 17 164744 HOUSING outlet 1 18 164745 HOUSING dispensing valve 1 19 164856 NIPPLE hex reducing 3 8 18 npt x 1 4 18 npt 1 20 181523 PACKING...

Page 13: ...adjusting 1 13 164738 CAP air cylinder 1 14 164739 SPRING helical compression 1 15 164740 GUIDE spring 1 16 164741 PISTON air 1 17 166470 HOUSING outlet 1 18 164745 HOUSING dispensing valve 1 19 157350 NIPPLE hex 3 8 npt x 1 4 npt 1 20 166258 PACKING flat leather 1 21 167730 GASKET copper 1 22 220194 NEEDLE valve 1 23 206987 SEAT valve 1 24 166255 GLAND stainless steel 1 25 166969 WASHER non metal...

Page 14: ...14 306715 Notes ...

Page 15: ...Technical Data Category Data Maximum Working Pressure 3000 psi 21 0 MPa 210 bar Minimum Operating Pressure of Air Actuated Trigger 50 psi 345 kPa 3 4 bar Air and Fluid Connections Models 205435 205612 3 8 npt m fluid inlet and outlet 1 4 npsm m air inlet 1 4 npt f circulation port Model 207440 1 4 npt m fluid inlet 3 8 npt m fluid outlet 1 4 npsm m air inlet 3 8 npt f circulation port Wetted Parts...

Page 16: ... warranty shall be as set forth above The buyer agrees that no other remedy including but not limited to incidental or consequential damages for lost profits lost sales injury to person or property or any other incidental or consequential loss shall be available Any action for breach of warranty must be brought within two 2 years of the date of sale Graco makes no warranty and disclaims all implie...

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