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Instructions-Parts
Color and Catalyst
Change Valve Stacks
For color/catalyst changing or distribution of industrial paints and coatings or fluids.
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 instructions.
See pages 3 and 4 for model information, including maximum working pressure.
Low Pressure Valve Stack 15V813
High Pressure Valve Stack 15V817
TI11668b
312783G
EN
TI11665b
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Table of Contents
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Summary of Contents for Graco 256994
- Page 1 Instructions-Parts Color and Catalyst Change Valve Stacks 312783G For color/catalyst changing or distribution of industrial paints and coatings or fluids. 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.
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Page 2: Table Of Contents
California Proposition 65 ....15 Graco Standard Warranty ....16 Graco Information . -
Page 3: Models
Low Pressure Valve Stacks 300 psi (2.1 MPa, 21 bar) Maximum Fluid Working Pressure Valve Stack Valve Part No. Series Valve Stack Description Valve Part No. Quantity 256994 1 color 15V812 2 color/catalyst change 256290 3 color/catalyst change 15V813 4 color/catalyst change 256292... -
Page 4: High Pressure Valve Stacks
Models High Pressure Valve Stacks 3000 psi (21 MPa, 210 bar) Maximum Fluid Working Pressure Valve Stack Valve Part No. Series Valve Stack Description Valve Part No. Quantity 256995 1 color 15V816 2 color/catalyst change 256339 3 color/catalyst change 15V817 4 color/catalyst change 256341 5 color/catalyst change... -
Page 5: Installation
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 . 1. NOTE: The high pressure color change valve uses a spring-operated valve closure vent (20) which does not require a second air actuation line. -
Page 6: Parts
Wetted Parts 303 sst, tungsten carbide, 111457 O-RING; PTFE, Size 012 ptfe, acetal 104893 O-RING; PTFE, Size 010 Color Change Valves: see 15T871 END CAP, Color Change (Assem- manual 312782 bly 256994 only; not shown) Weight see page 7 312783G... - Page 7 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 Reference Numbers Stack Weight Part No. lb (kg) 256994 2.35 (1.07) 15V812 4.05 (1.84) 256290 4.70 (2.13) 15V813 6.40 (2.90) 256292 7.05 (3.20)
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Page 8: Low Pressure Color/Catalyst Valve Stacks - Series A
Parts Low Pressure Color/Catalyst Valve Stacks - Series A TI11669A 20A727 20A728 Ref. No. Part No. Description 1 15X304 VALVE, low pressure; includes item 15; see manual 312782 2 15T875 SCREW; 5/16-24 x 5/8 in. (16 mm) 3 15T436 ADAPTER, manifold 4... -
Page 9: High Pressure Color/Catalyst Valve Stacks - Series B
Parts High Pressure Color/Catalyst Valve Stacks - Series B ti11666d Ref. Part No. Description 20A006 MANIFOLD, Bottom, Color See the High Pressure Valve Part Quantity Chart - Change Series B on page 10 to determine the quantity of 20A004 MANIFOLD, Middle, Color each part in your valve stack. - Page 10 Parts High Pressure Valve Part Quantity Chart - Series B 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 Reference Numbers Stack Weight...
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Page 11: High Pressure Color/Catalyst Valve Stacks - Series A
Parts High Pressure Color/Catalyst Valve Stacks - Series A ‡7 ‡5 ‡5 *‡15 ti11666c Ref. Part No. Description 15X303 VALVE, high pressure; includes ‡ Parts included in Valve Seat Kit 24A861 (purchase item 15; see manual 312782 separately). (Optional Carbide Seat Kit 15U932 is 15T875 SCREW;... -
Page 12: Dimensions
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 - Series B TI13553b . 2. Low Pressure Valve Stack Dimensions - Series B (mounting hole (mounting... -
Page 13: Low Pressure Valve Stack Dimensions - Series A
Dimensions Low Pressure Valve Stack Dimensions - Series A TI13553a . 3. Low Pressure Valve Stack Dimensions - Series A (mounting (manifold cap hole (mounting and screws) (manifold) (fluid port) (A+total of B+C) (width) dimension) hole size) 0.5 in. 2.061 in. 1.07 in. -
Page 14: High Pressure Valve Stack Dimensions - Series B
Dimensions High Pressure Valve Stack Dimensions - Series B TI13554b . 4. High Pressure Valve Stack Dimensions - Series B (mounting hole (mounting (manifold) (fluid port) (A+total of B+C) (width) dimension) hole size) 2.25 in. 1.07 in. Example shown with 10.16 in. -
Page 15: High Pressure Valve Stack Dimensions - Series A
California Proposition 65 High Pressure Valve Stack Dimensions - Series A TI13554a . 5. High Pressure Valve Stack Dimensions - Series A (mounting (manifold cap hole (mounting and screws) (manifold) (fluid port) (A+total of B+C) (width) dimension) hole size) 0.62 in. 2.25 in. -
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.