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312783E
User Manual
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Graco 312783E User Manual

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Instructions-Parts
Color and Catalyst
312783E
Change Valve Stacks
For color/catalyst changing or distribution of industrial paints and coatings or fluids.
Important Safety Instructions
See pages 3 and 4 for model information, including maximum working pressure.
EN
TI11668A
Low Pressure Valve Stack 15V813
TI11665A
High Pressure Valve Stack 15V817

Related Manuals

Contents
Related Manuals . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Low Pressure Valve Stacks . . . . . . . . . . . . . . . . 3
High Pressure Valve Stacks . . . . . . . . . . . . . . . . 4
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Low Pressure Color/Catalyst Valve Stacks . . . . . 6
Technical Data, Low Pressure Stacks . . . . . . . . 6
Low Pressure Valve Part Quantity Chart . . . . . . 7
High Pressure Color/Catalyst Valve Stacks . . . . 8
Technical Data, High Pressure Stacks . . . . . . . . 8
High Pressure Valve Part Quantity Chart . . . . . . 9
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Low Pressure Valve Stack Dimensions . . . . . . 10
High Pressure Valve Stack Dimensions . . . . . . 11
Graco Standard Warranty . . . . . . . . . . . . . . . . . . . 12
Graco Information . . . . . . . . . . . . . . . . . . . . . . . . 12
Related Manuals
See the following manuals for additional information on the color and catalyst change valve stacks.
Manual Description
312775 ProMix 2KS Manual System Installation
312776 ProMix 2KS Manual System Operation
312777 ProMix 2KS Manual System Repair-Parts
312778 ProMix 2KS Automatic System Installation
312779 ProMix 2KS Automatic System Operation
312780 ProMix 2KS Automatic System
Repair-Parts
312782 Dispense Valve
312787 Color Change Module Kit
2 312783E

Models

Low Pressure Valve Stacks

300 psi (2.1 MPa, 21 bar) Maximum Fluid Working Pressure
Models
Valve Stack
Part No. Series Valve Stack Description Valve Part No.
256994
15V812
256290
15V813
256292
256293
15V814
256295
256296
256297
256298
15V815
256300
256301
256302
256303
256304
256305
256306
256307
256308
256309
256310
256311
256312
256313
256314
256315
256316
256372
A
1 color
2 color/catalyst change
3 color/catalyst change
4 color/catalyst change
5 color/catalyst change
6 color/catalyst change
7 color/catalyst change
8 color/catalyst change
9 color/catalyst change
10 color/catalyst change
11 color/catalyst change
12 color/catalyst change
13 color/catalyst change
14 color/catalyst change
15 color/catalyst change
16 color/catalyst change
17 color/catalyst change
18 color/catalyst change
19 color/catalyst change
20 color/catalyst change
21 color/catalyst change
22 color/catalyst change
23 color/catalyst change
24 color/catalyst change
25 color/catalyst change
26 color/catalyst change
27 color/catalyst change
28 color/catalyst change
29 color/catalyst change
30 color/catalyst change
15X304
Valve
Quantity◆
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
◆
Each stack includes one additional valve for solvent.
312783E 3
Models

High Pressure Valve Stacks

3000 psi (21 MPa, 210 bar) Maximum Fluid Working Pressure
Valve Stack
Part No. Series Valve Stack Description Valve Part No.
256995
15V816
256339
15V817
256341
256342
256343
256344
256345
256346
256347
256348
256349
256350
256351
256352
256353
256354
256355
256356
256357
256358
256359
256360
256361
256362
256363
256364
256365
256371
A
1 color
2 color/catalyst change
3 color/catalyst change
4 color/catalyst change
5 color/catalyst change
6 color/catalyst change
7 color/catalyst change
8 color/catalyst change
9 color/catalyst change
10 color/catalyst change
11 color/catalyst change
12 color/catalyst change
13 color/catalyst change
14 color/catalyst change
15 color/catalyst change
16 color/catalyst change
17 color/catalyst change
18 color/catalyst change
19 color/catalyst change
20 color/catalyst change
21 color/catalyst change
22 color/catalyst change
23 color/catalyst change
24 color/catalyst change
25 color/catalyst change
26 color/catalyst change
27 color/catalyst change
28 color/catalyst change
29 color/catalyst change
30 color/catalyst change
15X303
Valve
Quantity◆
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
◆
Each stack includes one additional valve for solvent.
4 312783E

Installation

Installation
1. Connect 5/32 in. (4 mm) OD air actuation tubes from the valve solenoids to the air inlets (A) of each valve. See F
NOTE: The high pressure color change valve uses a spring-operated valve closure vent (20) which does not require a second air actuation line. If you are installing a bare valve, remove the elbow fitting from the top port and install the breather vent. Replace the spring with the one marked with black stain. Both the breather and the marked spring are shipped loose.
2. Connect fluid supply lines to the 1/4 npt(f) inlet (B) of each valve adapter. Supply solvent to one valve (S) at the top of the stack.
NOTE: Excessive inlet fitting torque may cause the fit­ting to extend past its normal depth and contact the valve needle, resulting in misalignment and leakage. After installing the inlet fitting, verify that the needle trav­els freely by charging the valve with air or removing the cap and manually actuating the needle.
IG
. 1.
20
A
C
High Pressure Valve Stack
S
B
TI11665A
S
NOTE: Paint Circulating System
The color change valves have two fluid ports for each individual valve. If you are circulating paint, plumb the valves in one port and out the other. Another option is to use a tee fitting to cir­culate.
NOTE: Verify that all unused fluid ports on the color change valve stack are plugged before operation. An open port will leak fluid.
3. Connect the gun fluid supply line to the fluid outlet port (C) of the color change manifold.
NOTE: A check valve is recommended at the inlet of all valves to prevent backflow if a valve fails, and to prevent color crossover if two dead head valves are open at the same time.
NOTE: High pressure valves are factory-set at one turn open from fully closed. This setting provides the required spring force to prevent fluid back flow from the outlet manifold to the valve at outlet manifold pressures up to 3000 psi (21 MPa, 210 bar). If valves on the stack are not being used, close the valve completely or plug the valve inlet and circulation ports.
A
A
C
Low Pressure Valve Stack
F
IG
. 1. Valve Stack Connections
B
TI11668A
If a valve is adjusted more than 1-1/4 turn open, back flow pressure will be reduced.
312783E 5

Parts

Parts

Low Pressure Color/Catalyst Valve Stacks

16
10
8
9
3
4
2
*15
7
11
1
2
Ref. No. Part No. Description Qty
1 15X304 VALVE, low pressure; includes
item 15; see manual 312782
2 --- SCREW; 5/16-24 x 5/8 in. (16
mm) 3 15T436 ADAPTER, manifold 4 101970 PLUG, pipe 6 15T793 MANIFOLD, fluid port 7 15T574 SEAT, valve needle 8 110004 O-RING; ptfe 9 15T792 MANIFOLD, body 10 15T794 MANIFOLD, end cap 11 15X129 PLUG, housing 12 109450 O-RING; ptfe 15* --- O-RING; ptfe 16 --- SCREW, cap, socket-head; 1/4-20
x 5/8 in. (16 mm)
8
12
◆
See the Low Pressure Valve Part Quantity Chart on page 7 to determine the quantity of each part in
◆
◆
◆
◆
1
◆
◆
◆
1
◆
◆
◆
◆
your valve stack.
*
Part included in Seal Kit 15W621 (purchase sepa­rately). Kit includes additional parts; see Dispense Valve manual 312782.
---
These parts are not available separately.

Technical Data, Low Pressure Stacks

Maximum Fluid Working Pressure 300 psi (2.1 MPa, 21 bar) Wetted Parts 303 sst, tungsten carbide,
Weight see page 7
6
ptfe, acetal Color Change Valves: see manual 312782
TI11669A
6 312783E
Parts

Low Pressure Valve Part Quantity Chart

Find your Valve Stack Part No. in the left column and the desired reference number in the top row to find the part quantity used in your valve stack.
Valve Stack
Part No.
256994 2 4 2 2 2 2 1 0 0 2 4 2.35 (1.07)
15V812 3 8 3 3 3 3 2 1 1 3 6 4.05 (1.84)
25629048444320046 4.70 (2.13)
15V8135125554311586.40 (2.90)
256292 6 12 6 6 6 4 3 0 0 6 8 7.05 (3.20)
256293 7 16 7 7 7 5 4 1 1 7 10 8.75 (3.97)
15V81481688854008109.40 (4.26)
256295920999651191211.10 (5.03)
256296 10 20 10 10 10 6 5 0 0 10 12 11.75 (5.33)
256297 11 24 11 11 11 7 6 1 1 11 14 13.45 (6.10)
25629812241212127600121414.10 (6.40)
15V81513281313138711131615.80 (7.17)
256300 14 28 14 14 14 8 7 0 0 14 16 16.45 (7.46)
256301 15 32 15 15 15 9 8 1 1 15 18 18.15 (8.23)
25630216321616169800161818.80 (8.53)
256303 17 36 17 17 17 10 9 1 1 17 20 20.50 (9.30)
256304 18 36 18 18 18 10 9 0 0 18 20 21.15 (9.59)
256305 19 40 19 19 19 11 10 1 1 19 22 22.85 (10.36)
256306 20 40 20 20 20 11 10 0 0 20 22 23.50 (10.66)
256307 21 44 21 21 21 12 11 1 1 21 24 25.20 (11.43)
256308 22 44 22 22 22 12 11 0 0 22 24 25.85 (11.73)
256309 23 48 23 23 23 13 12 1 1 23 26 27.55 (12.50)
256310 24 48 24 24 24 13 12 0 0 24 26 28.20 (12.80)
256311 25 52 25 25 25 14 13 1 1 25 28 29.90 (13.56)
256312 26 52 26 26 26 14 13 0 0 26 28 30.55 (13.86)
256313 27 56 27 27 27 15 14 1 1 27 30 32.25 (14.63)
256314 28 56 28 28 28 15 14 0 0 28 30 32.90 (14.92)
256315 29 60 29 29 29 16 15 1 1 29 32 34.60 (15.70)
256316 30 60 30 30 30 16 15 0 0 30 32 35.25 (15.99)
256372 31 64 31 31 31 17 16 1 1 31 34 36.95 (16.76)
Reference Numbers
Weight
lb (kg)123478911121516
312783E 7
Parts

High Pressure Color/Catalyst Valve Stacks

16
10
8
9
‡7
‡5
3
4
2
1
‡5
*‡15
11
Ref. No. Part No. Description Qty
1 15X303 VALVE, high pressure; includes
item 15; see manual 312782 2 15T875 SCREW; 5/16-24 x 5/8 in. (16
mm) 3 15T436 ADAPTER, manifold 4 101970 PLUG, pipe 5‡ 109450 O-RING; ptfe 6 15T869 MANIFOLD, fluid port 7‡ --- SEAT, valve needle; sst 8 110004 O-RING; ptfe 9 15T872 MANIFOLD, body 10 15T871 MANIFOLD, end cap 11 15T873 PLATE, blank 15*‡ 15Y627 O-RING; ptfe 16 121112 SCREW, cap, socket-head; 1/4-20
x 5/8 in. (16 mm)
8
8
2
◆
See the High Pressure Valve Part Quantity Chart
6
on page 9 to determine the quantity of each part in
◆
◆
your valve stack.
‡
Parts included in Valve Seat Kit 24A861 (purchase separately). (Optional Carbide Seat Kit 15U932 is available separately.)
◆
*
◆
◆
1
◆
◆
◆
1
◆
◆
◆
Part included in Seal Kit 15U933 (purchase sepa­rately). Kit includes additional parts; see Dispense Valve manual 312782.
---
These parts are not available separately.

Technical Data, High Pressure Stacks

Maximum Fluid Working Pressure 3000 psi (21 MPa, 210 bar) Wetted Parts 303 sst, tungsten carbide,
ptfe Color Change Valves: see manual 312782
Weight see page 9
ti11666c
8 312783E
Parts

High Pressure Valve Part Quantity Chart

Find your Valve Stack Part No. in the left column and the desired reference number in the top row to find the part quantity used in your valve stack.
Valve Stack
Part No.
256995 2 4 2 2 4 2 2 1 0 2 4 2 2.60 (1.18)
15V816 3 8 3 3 6 3 4 2 1 3 6 3 5.05 (2.29)
256339484484320464 5.20 (2.36)
15V81751255105531585 7.65 (3.47)
256341 6 12 6 6 12 6 4 3 0 6 8 6 7.80 (3.54)
256342 7 16 7 7 14 7 6 4 1 7 10 7 10.25 (4.65)
25634381688168540810810.40 (4.72)
25634492099189751912912.85 (5.83)
256345 10 20 10 10 20 10 6 5 0 10 12 10 13.00 (5.90)
256346 11 24 11 11 22 11 8 6 1 11 14 11 15.45 (7.01)
256347 12 24 12 12 24 12 7 6 0 12 14 12 15.60 (7.08)
256348 13 28 13 13 26 13 9 7 1 13 16 13 18.05 (8.19)
256349 14 28 14 14 28 14 8 7 0 14 16 14 18.20 (8.26)
256350 15 32 15 15 30 15 10 8 1 15 18 15 20.65 (9.37)
256351 16 32 16 16 32 16 9 8 0 16 18 16 20.80 (9.43)
256352 17 36 17 17 34 17 11 9 1 17 20 17 23.25 (10.55)
256353 18 36 18 18 36 18 10 9 0 18 20 18 23.40 (10.61)
256354 19 40 19 19 38 19 12 10 1 19 22 19 25.85 (11.73)
256355 20 40 20 20 40 20 11 10 0 20 22 20 26.00 (11.79)
256356 21 44 21 21 42 21 13 11 1 21 24 21 28.45 (12.90)
256357 22 44 22 22 44 22 12 11 0 22 24 22 28.60 (12.97)
256358 23 48 23 23 46 23 14 12 1 23 26 23 31.05 (14.08)
256359 24 48 24 24 48 24 13 12 0 24 26 24 31.20 (14.15)
256360 25 52 25 25 50 25 15 13 1 25 28 25 33.65 (15.26)
256361 26 52 26 26 52 26 14 13 0 26 28 26 33.80 (15.33)
256362 27 56 27 27 54 27 16 14 1 27 30 27 36.25 (16.44)
256363 28 56 28 28 56 28 15 14 0 28 30 28 36.40 (16.51)
256364 29 60 29 29 58 29 17 15 1 29 32 29 38.85 (17.62)
256365 30 60 30 30 60 30 16 15 0 30 32 30 39.00 (17.69)
256371 31 64 31 31 62 31 18 16 1 31 34 31 41.45 (18.80)
Reference Numbers
Weight
lb (kg)1234578911151620
312783E 9

Dimensions

Dimensions
NOTE: Mounting bracket 15U927 is available to mount
the color valve stack to a ProMix 2KS Fluid Station. See manual 312787 for mounting instructions.

Low Pressure Valve Stack Dimensions

G
F
A
B
FIG. 2. Low Pressure Valve Stack Dimensions
A
(manifold cap
and screws)B(manifold)C(fluid port)
0.5 in.
(13 mm)
2.061 in.
(52.3 mm)
1.07 in.
(27.2 mm)
E
D
(A+total of B+C)
Example shown with
three manifolds:
7.75 in.
(197 mm)
E
(width)
8.43 in.
(214.1 mm)
B
B
C
F
(mounting
hole
dimension)
2.061 in.
(52.3 mm)
D
TI13553a
G
(mounting
hole size)
1/4-20
10 312783E

High Pressure Valve Stack Dimensions

G
F
Dimensions
A
B
FIG. 3. High Pressure Valve Stack Dimensions
A
(manifold cap
and screws)B(manifold)C(fluid port)
0.62 in.
(15.7 mm)
2.25 in.
(57.2 mm)
1.07 in.
(27.2 mm)
E
D
(A+total of B+C)
Example shown with
three manifolds:
8.44 in.
(214 mm)
E
(width)
10.16 in.
(258.1 mm)
B
B
C
F
(mounting
hole
dimension)
2.25 in.
(57.2 mm)
D
TI13554a
G
(mounting
hole size)
1/4-20
312783E 11

Graco Standard Warranty

Graco warrants all equipment referenced in this document which is manufactured by Graco and bearing its name to be free from defects in material and workmanship on the date of sale to the original purchaser for use. 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 warranty applies only when the equipment is installed, operated and maintained in accordance with Graco’s written recommendations.
This warranty does not cover, and Graco shall not be liable for general wear and tear, or any malfunction, damage or wear caused by faulty installation, misapplication, abrasion, corrosion, inadequate or improper maintenance, negligence, accident, tampering, or substitution of non-Graco component parts. Nor shall Graco be liable for malfunction, damage or wear caused by the incompatibility of Graco equipment with structures, accessories, equipment or materials not supplied by Graco, or the improper design, manufacture, installation, operation or maintenance of structures, accessories, equipment or materials not supplied by Graco.
This warranty is conditioned upon the prepaid return of the equipment claimed to be defective to an authorized Graco distributor for verification of the claimed defect. If the claimed defect is verified, Graco will repair or replace free of charge any defective parts. The equipment will be returned to the original purchaser transportation prepaid. If inspection of the equipment does not disclose any defect in material or workmanship, repairs will be made at a reasonable charge, which charges may include the costs of parts, labor, and transportation.
THIS WARRANTY IS EXCLUSIVE, AND IS IN LIEU OF ANY OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO WARRANTY OF MERCHANTABILITY OR WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE.
Graco’s sole obligation and buyer’s sole remedy for any breach of 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 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, IN CONNECTION WITH ACCESSORIES, EQUIPMENT, MATERIALS OR COMPONENTS SOLD BUT NOT MANUFACTURED BY GRACO. These items sold, but not manufactured by Graco (such as electric motors, switches, hose, etc.), are subject to
the warranty, if any, of their manufacturer. Graco will provide purchaser with reasonable assistance in making any claim for breach of these warranties.
In no event will Graco be liable for indirect, incidental, special or consequential damages resulting from Graco supplying equipment hereunder, or the furnishing, performance, or use of any products or other goods sold hereto, whether due to a breach of contract, breach of warranty, the negligence of Graco, or otherwise.
FOR GRACO CANADA CUSTOMERS
The Parties acknowledge that they have required that the present document, as well as all documents, notices and legal proceedings entered into, given or instituted pursuant hereto or relating directly or indirectly hereto, be drawn up in English. Les parties reconnaissent avoir convenu que la rédaction du présente document sera en Anglais, ainsi que tous documents, avis et procédures judiciaires exécutés, donnés ou intentés, à la suite de ou en rapport, directement ou indirectement, avec les procédures concernées.

Graco Information

For the latest information about Graco products, visit www.graco.com.
For patent information, see www.graco.com/patents.
TO PLACE AN ORDER,
Phone: 612-623-6921 or Toll Free: 1-800-328-0211 Fax: 612-378-3505
All written and visual data contained in this document reflects the latest product information available at the time of publication.
GRACO INC. AND SUBSIDIARIES • P.O. BOX 1441 • MINNEAPOLIS, MN 55440-1441 • USA
Copyright 2008, Graco Inc. All Graco manufacturing locations are registered to ISO 9001.
contact your Graco distributor or call to identify the nearest distributor.
Graco reserves the right to make changes at any time without notice.
Original instructions.
International Offices: Belgium, China, Japan, Korea
This manual contains English. MM 312783
Graco Headquarters: Minneapolis
www.graco.com
Revision E, August 2014
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