Graco 15X303 Instructions And Parts Manual

Air actuated dispense valve

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Instructions-Parts
Air Actuated
Dispense Valve
To dispense plural component fluids and solvents. For professional use only.
Part No. 15X303, 26A355
High Pressure Dispense Valve
3000 psi (21 MPa, 207 bar) Maximum Fluid Working Pressure
100 psi (0.7 MPa, 7 bar) Maximum Air Working Pressure
Part No. 24T785
High Pressure Dispense Valve for Acid Catalyzed Materials
3000 psi (21 MPa, 207 bar) Maximum Fluid Working Pressure
100 psi (0.7 MPa, 7 bar) Maximum Air Working Pressure
Part No. 26A313
High Pressure Dump Valve for Acid Catalyzed Materials
3000 psi (21 MPa, 207 bar) Maximum Fluid Woriking Pressure
100 psi (0.7 MPa, 7 bar) Maximum Air Working Pressure
Part No. 15X304
Low Pressure Dispense Valve
300 psi (2.1 MPa, 21.0 bar) Maximum Fluid Working Pressure
100 psi (0.7 MPa, 7 bar) Maximum Air Working Pressure
Important Safety Instructions
Read all warnings and instructions in this manual. For complete
warnings and instructions see your proportioning system manual.
Hazard symbols refer to specific procedure risks. Save all instruc-
tions.
High Pressure Valves
15X303, 24T785,
and 26A355
TI11581A
Low Pressure Valve
15X304
312782J
EN
26A313
ti30189a
TI11663A

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Summary of Contents for Graco 15X303

  • Page 1 Instructions-Parts Air Actuated 312782J Dispense Valve To dispense plural component fluids and solvents. For professional use only. Part No. 15X303, 26A355 High Pressure Valves High Pressure Dispense Valve 3000 psi (21 MPa, 207 bar) Maximum Fluid Working Pressure 15X303, 24T785, 26A313 100 psi (0.7 MPa, 7 bar) Maximum Air Working Pressure...
  • Page 2: Table Of Contents

    Technical Data ......14 Graco Standard Warranty ....16 Graco Information .
  • Page 3: Installation

    Installation Installation Accessories . 2 shows the dispense valves installed in an elec- tronic 2-component proportioning system. In this exam- ple, the dispense valves are used as dose valves for components A and B (DVA, DVB), an air purge valve (APV), and a solvent purge valve (SPV).
  • Page 4: Components

    Installation Components 15X303, 24T785, and 26A355 High Pressure 15X304 Low Pressure Dispense Valves Dispense Valve Actuation indicator 5/32 in. (4 mm) OD air tube fitting, to close Optional air open port 5/32 in. (4 mm) OD air tube 5/32 in. (4 mm) OD air tube...
  • Page 5: Typical Installation

    Installation Typical Installation TI12556a . 2: Typical Installation Key: MA Component A Meter DVA Component A Dose Valve MB Component B Meter DVB Component B Dose Valve MS Solvent Meter SPV Solvent Purge Valve APV Air Purge Valve ASL Component A Supply Line BSL Component B Supply Line APL Air Purge Line SPL Solvent Purge Line...
  • Page 6: System Pneumatic Schematic (Used With Promix 2Ks)

    Installation System Pneumatic Schematic (used with ProMix 2KS) COLOR COLOR VALVE CHANGE STACKS CONTROL AIR EXHAUST MUFFLER MANIFOLD COLOR 1 COLOR 2 12 VDC COLOR 3 COLOR 4 DOSE A VALVE 4-WAY SOLENOID COLOR 5 COLOR 6 COLOR 7 COLOR 8 12 VDC COLOR SOLVENT DOSE B...
  • Page 7: Operation (Promix 2Ks Only)

    Operation (ProMix 2KS Only) Operation (ProMix 2KS Maintenance Only) Clean the Dispense Valve Daily Settings and Adjustments Set the actuating air to at least 75 psi (0.52 MPa, 5.2 bar) and start the pump. Adjust the pump speed and pressure to obtain the desired flow rate. Always use the lowest pump speed necessary to get the results you NOTICE want.
  • Page 8: Troubleshooting

    Troubleshooting Troubleshooting Before servicing this equipment always make sure to relieve the pressure. NOTE: Check all possible causes and solutions before disassembling. Problem Cause Solution Valve will not close. Fluid needle binding. Clean, repair. Piston o-rings binding. Repair. Obstructed or worn needle or seat. Clean or replace.
  • Page 9: Reassembly

    NOTE: Seal Kits 15U933 (for high pressure dispense with the body. valve 15X303 and 26A355), 24T817 (for acid catalyzed valves 24T785 and 26A313), and 15W621 (for low pres- 11. Unscrew the valve cap (11) one complete turn for...
  • Page 10: Parts

    Parts Parts 15X303 and 26A355 High Pressure Valve Ref. Part No. Description BODY, fluid SEAL, u-cup, spring applied; uhmwpe BEARING, needle BODY, air O-RING, shaft, piston; buna-N O-RING, body, piston; buna-N 15T413 PISTON CAP, valve 17B769 SPRING, compression (Model 15X303)
  • Page 11: 24T785 High Pressure Valve For Acid Catalyzed Materials

    Parts 24T785 High Pressure Valve for Acid Catalyzed Materials Ref. Part No. Description BODY, fluid SEAL, u-cup, spring applied; uhmwpe BEARING, needle BODY, air O-RING, shaft, piston; buna-N O-RING, body, piston; buna-N 15T413 PISTON CAP, valve 15T454 SPRING, compression 104640 GASKET; buna-N 104644 PLUG, screw 109193 ELBOW, tube fitting;...
  • Page 12: 26A313 High Pressure Dump Valve For Acid Catalyzed Materials

    Parts 26A313 High Pressure Dump Valve for Acid Catalyzed Materials Ref. Part No. Description BODY, fluid SEAL, u-cup, spring applied; uhmwpe BEARING, needle BODY, air O-RING, shaft, piston; buna-N O-RING, body, piston; buna-N 15T413 PISTON CAP, valve 17B969 SPRING, compression 104640 GASKET;...
  • Page 13: 15X304 Low Pressure Valve

    Parts 15X304 Low Pressure Valve Ref. Part No. Description BODY, fluid SEAL, u-cup, spring applied; uhmwpe BEARING, needle BODY, air O-RING, shaft, piston; buna-N O-RING, body, piston; buna-N 180538 PISTON 15T452 RETAINER, piston 180612 CAP, valve 108017 SPRING, compression 104640 GASKET; buna-N 104644 PLUG, screw 109193 ELBOW, tube fitting;...
  • Page 14: Technical Data

    Weight ........
  • Page 15 Technical Data 312782J...
  • Page 16: Graco Standard Warranty

    With the exception of any special, extended, or limited warranty published by Graco, Graco will, for a period of twelve months from the date of sale, repair or replace any part of the equipment determined by Graco to be defective.

This manual is also suitable for:

24t78526a35526a31315x304

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