Palletized Fixture Accessories
Automatic Shutoff Valve Decouplers for Single and Double Acting Systems Decouplers are a convenient, self-contained package that includes quick connect couplings, filters, pilot operated check valve, accumulator and an over pressure relief valve. Robust pilot operated check valve with a 1:5 pilot to check ratio for proven long term reliability. Internal 25 micron filters for added protection of pilot operated check valve thru ports A1, A2, A3, A4 & C1. Additional filtration provided at port B1. Filtration is not provided at ports B2, B3 & B4 due to space constraints and the isolation of the check valve by the actuation piston. External accumulator available in three operating pressure ranges. SAE ports and manifold mounting (bottom and rear) connections on all models. Single acting pallet circuits require 2 hoses to the operating handle for pressure release. For single hose systems see the Manual Shutoff Valve Decoupler. Automatic Shutoff Valve Decouplers, One-Handed Operating Handle
Additional filtration available for the B return port through the use of manifold mount and in-line filtration. Filter kit model # 62-5600-05 (for in-line mounting) or 62-5600-06 (for manifold mounting).
NOTE: These automatic shutoff valve decouplers and operating handle must be used with a suitable pump which includes a 4 port/3 position, P-blocked center ("A" & "B" connected to tank) directional control valve for operation of single or double acting systems. See the pump convenience package for the pump model of your choice, “Pallet Decoupler (two hose)” in section J. One automatic shutoff valve decoupler can be used to operate only one double acting or one single acting circuit. For operation of a single acting circuit, plug the decoupler outlet port "B" (as shown in the schematic).
2.25
2.00
3x MACHINED FOR 1/4 SHCS
.56
5.41
SAE 6 PORT BOTH ENDS
4.62
3.50
3.15
*Accumulator always recommended on a decoupled circuit even when using a pallet decoupler without external accumulator.
2.65
2.00
1.30
30
.40
2.73
1.06 1.06
2.28
1.75
3.42
.22
1.55
1.55
A
A
"B1" QUICK CONNECTOR UNCLAMP
2.50
"A1" QUICK CONNECTOR CLAMP
1.60
4x DRILLED FOR 1/4 SHCS SAE 6 MANIFOLD MOUNT
ILS560031 REV A
ILS560031
K-4
2.13
PLUG "B" PORT FOR S/A SYSTEMS
100 lb. Tensile Strength
2.27 4.62 4.25 2.27
.19 1.24
.19
B4 A4
A3
1.24
A2 A5
B2 B5 B3
Pallet Decoupler Cover
1.13
Model No.
For use with Decoupler Models 56-0005-23, 56-0005-24, 56-0005-25, 56-0005-26, 56-0005-42 and 56-0005-43
SAE 6 MANIFOLD MOUNT
A
B1 A1 C1
MINIMUM OF 20% CLAMP PRESSURE MUST BE APPLIED TO UNCLAMP
56-0008-03 3.50
ILS560025 REV L
Customers that have previously bought a decoupler can purchase a new cover for their old decoupler. New orders of decouplers will come with cover.
For proper sealing, mating surface must be flat within 0.003 in. with a maximum 63 µ in. R a surface finish. Decouplers with External Accumulator
Optional Filters
Accumulator Capacity (cu. in.)
Model No.
Pressure Range (psi)
In-Line
In-Port (For Manifold Mounting)
Filter Plate (For Manifold Mounting) 70-8420-05 (BOTTOM A5 & B5) OR 70-8420-06 (REAR A4 & B4)
56-0005-43 400-1,500 56-0005-25 1,000-3,500
3.8 3.6
70-0437-71 (Ports A4, B4, B5)
70-0401-71
56-0005-26 2,000-5,000 3.2 56-0005-46 400-5,000 No Accumulator*
For use with Operating Handle Model No. 56-0008-00.
© Vektek, January 2023
800-992-0236
www.vektek.com
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