Accessory Valves
Low-High Valve Manual Soft Clamp with Delayed Hard Clamp Manifold Sequence/PRV Block
Low-High Valve Manual Soft Clamp with Delayed Hard Clamp Manifold Sequence/PRV Block n Clamp with lower pressure to position parts then clamp with high pressure once sequencepressure has been met on the rest of the circuit. n Common inlet port feeds both sequence and reducing valves in parallel. n 5 (SAE 2) manifold ports: 3x Inlet and 2x Outlet n 4 (SAE 4) ports: 2 x Inlet, 2x Outlet. n Use with single or double acting devices.
n Block includes standard Sequence and PRV cartridges. n Can be sandwiched with a PRV/Sequence Combo block. n Enough space is provided on the block to accommodate a Gauge for setup or troubleshooting. n Recommended Filtration: 25 Micron (NOM) / 40 Micron (ABS) (minimum)
Low-High Valve Assembly Model No.
SEQ Valve Number
SEQ Valve Set Pressure Range
PRV Valve Number
PRV Valve Set Pressure Range
For proper sealing, mating surface must be flat within 0.003 in. with a maximum 63 µ in. R a surface finish.
A B
70-9410-04 70-4430-02 750 - 5,000 psi
70-5437-70 750 - 4,500 psi
4.6 6.0
70-9410-05 70-4430-02 750 - 5,000 psi 70-9410-06 70-4430-01 300 - 900 psi
70-5437-71 150 - 900 psi ** 4.6 6.7 70-5437-71 150 - 900 psi ** 5.2 6.7
Filter Plate For above Valves Model No. 70-8420-02 Order a Filter Plate to protect valve from debris. (More details end of section)
* SAE 2 Ports are counterbored for O-rings that are used in manifold mounting applications. Ø .09/.15 Feed Holes. ** PRV Set Pressure Range is: 150 - 900 PSI with an inlet pressure of <3,000 PSI, 300 - 900 PSI with an inlet pressure of >3,000 PSI
Pressure Reducing Valve
Adjustment Screw
Lock Nut
SAE 4 check valve and optional outlet port
2.450
Sequence Valve
1.12 Hex
1.000
6X
.438
SAE 4 Pressure
.940 Hex
.25 .281 THRU
M-17
Inlet Port
B
2.022
A
1.720
2.500
1.250
.250 1.625 2.600 2.625
.625 1.000
.840 .900 2.375
1.750
.820
.375
SAE 4 Inlet Port
2PLCS .375
SAE 4 Seq/Red Outlet Port
2.625
3.250
SAE 2 Seq/Red Outlet Manifold Port*
3.000
.450
SAE 2 Pressure Inlet Port for Stacking With PRV/Seq Combo Blocks
.900
SAE 2 Pressure Inlet Manifold Port*
1.600
2.125
ILS709414 REV A
SAE 2 Seq/Red Outlet Manifold Port*
.250 .575 1.625
Use 1/4-20 or similiar sized bolts for mounting
SAE 2 Pressure Inlet Manifold Port*
2.625
3.000
© Vektek, January 2023
800-992-0236
www.vektek.com
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