Table of Contents
Advertisement
Quick Links
Instructions - Parts List
PrecisionFlot XL Metering
Valve
3500 psi (24 MPa, 240 bar) Maximum Working Pressure
5000 psi (34 MPa, 345 bar) Maximum Fluid Pressure
For use when dispensing fluids that meet at least one
of the following conditions for non-flammability:
D The fluid has a flash point above 140_F (60_C) and
a maximum organic solvent concentration of 20%,
by weight, per ASTM Standard D93.
D The fluid does not sustain burning when tested per
ASTM Standard D4206 Sustained Burn Test.
Part No. 244920
PrecisionFlo Metering Valve for PVC application
Part No. 244921
PrecisionFlo Metering Valve for HemFlange application
Table of Contents
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Related Publications
. . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Read warnings and instructions.
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440-1441
Copyright 2001, Graco Inc. is registered to I.S. EN ISO 9001
Parts
. . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . .
2
2
4
5
6
13
14
19
19
20
20
309382 Rev.C
TI1394A
Advertisement
Table of Contents
Related Manuals for Graco 244920
Summary of Contents for Graco 244920
-
Page 1: Table Of Contents
......Read warnings and instructions. GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440-1441 Copyright 2001, Graco Inc. is registered to I.S. EN ISO 9001... -
Page 2: Symbols
Symbols Warning Symbol Caution Symbol WARNING CAUTION This symbol alerts you to the possibility of serious This symbol alerts you to the possibility of damage to injury or death if you do not follow the instructions. or destruction of equipment if you do not follow the instructions. - Page 3 D This equipment is for professional use only. D Read all 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 Only use the PrecisionFlo Metering Valve with the PrecisionFlo Control.
-
Page 4: Installation
D Have the system binder (a collection of manuals FF = 4 x 1/4–20 in. and diagrams in a three-ring binder, supplied by Graco) available during installation. D Reference numbers and letters in parentheses in the text refer to the numbers and letters in the illustrations. -
Page 5: Operation And Maintenance
Operation and Maintenance Pressure Relief Procedure Operating the Metering Valve The Metering Valve is operated through the PrecisionFlo XL Control. Follow the PrecisionFlo XL WARNING Control instructions to operate the Metering Valve. INJECTION HAZARD The system pressure must be manually WARNING relieved to prevent the system from starting or dispensing accidentally. -
Page 6: Service
The seat or seals may be worn or damaged. condition if the motor end plates are removed. Service the fluid needle as instructed on Contact your Graco distributor for motor service. page 7. WARNING c. Refer to the PrecisionFlo XL system binder, 244994. - Page 7 Service Fluid Needle and Seat Assembly Service WARNING MOVING PARTS HAZARD WARNING The valve air cylinder is spring-loaded and parts may fly out or spring apart INJECTION HAZARD when the valve is disassembled and To reduce the risk of a serious injury, cause serious injury.
- Page 8 Service 20. Lubricate the seal (black) (42*) and press into the CAUTION bushing (37*), with the lips of seal facing into the bushing. The motor shaft is forced to the full forward position by the closer. Slowly relieve the air pressure to 21.
- Page 9 45* Part No. 244920 shown Lubricate all o-rings and seals with lithium-based grease prior to installation. Do not service the motor. Contact a Graco distributor for service. 47 Lubricate shaft end of needle (53) with lubricant to ease insertion. After assembly, remove lubricant.
- Page 10 Service Closer Service 9. Disconnect the air line from the closer air inlet (G). 10. Press down on the cylinder body cover to prevent WARNING the parts from springing apart, and remove the screws (111) from the closer cover. See Fig. 5. INJECTION HAZARD To reduce the risk of a serious injury, 11.
- Page 11 Service Closer Service (continued) 20. Install the rubber bumpers (110) on the end of the rod closer (103) and the cylinder cap (102). 13. Remove the spring (117) from the cylinder body (104). See Fig. 6. 21. Connect a compressed air supply to the closer air inlet (G).
-
Page 12: Wiring Diagram
Wiring Diagram 05480 Fig. 7 309382... - Page 13 Notes 309382...
-
Page 14: Parts
Parts Part No. 244920 Metering Valve Part No. 244921 Metering Valve 49, 50 Model 244920 Shown ti1395a Do not service the motor. Contact a Graco distributor for service. 309382... - Page 15 Some applications may require an optional 1500 psi (10.4 S SCREW, cap; #4–40 x 3/8 in. C19950 MPa, 104 bar) pressure sensor, which is available in Kit S SCREW, cap; #4–50 x 5/8 in. C19952 918487. Contact your Graco distributor to order the kit. 309382...
- Page 16 S SCREW, cap; #4–40 x 3/8 in. l Some applications may require an optional 1500 psi (10.4 C19950 S SCREW, CAP; #4–40 x 5/8 C19952 MPa, 104 bar) pressure sensor, which is available in Kit 918487. Contact your Graco distributor to order the kit. 309382...
- Page 17 Parts Use Only Genuine Graco Parts and Accessories TI1392A Part No. 233655 Closer Assembly Includes items 101–115 Ref. Part No. Description Qty. Ref. Part No. Description Qty. 112106 O–RING; buna-n; size –042 801050 O-RING; buna-n; size –014 112987 BUMPER; rubber...
-
Page 18: Technical Data
D The fluid does not sustain burning when tested per ASTM Standard D4206 Sustained Burn Test. Fluid Viscosity: 10,000 cps to 1,000,000 cps* Maximum Fluid Temperature: 176_F (80_C) PrecisionFlot is a trademark of Graco, Inc. * Flow rate is dependent upon material viscosity, tip size and supply pressure. 309382... - Page 19 Notes 309382...
-
Page 20: 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.
Need help?
Do you have a question about the 244920 and is the answer not in the manual?
Questions and answers