Accessory Valves
Combination Sequence/PRV Block
Timing and Regulated Pressure in One Unit
Efficient Space Saving Combination Sequence/PRV Block n Control both timing and pressure with this dual purpose combination block. n Common inlet port feeds both sequence and reducing valves.
n 3 (SAE 2) manifold ports: Inlet, Sequenced and Sequenced+Reduced Pressure. n 6 (SAE 4) ports: 2 x Inlet, 2 x Sequenced and 2 Sequenced +Reduced Pressure. n Use with single or double acting devices. n Block includes standard Sequence and PRV cartridges. n Direct acting poppet style valve construction. n Sequence Pressure adjustment range: 750 psi to 5,000 psi, PRV adjustment range: 750 to 4,500 psi. n Enough space is provided on the block to accommodate a Gauge for setup or trouble shooting. n Recommended Filtration: 25 Micron (NOM) / 40 Micron (ABS) (minimum).
Combination SEQ/PRV Assembly Model No. Sequence Valve Model No.
Sequence Valve Set Pressure Range
PRV Set Pressure Range
PRV Model No.
A B
For proper sealing, mating surface must be flat within 0.003 in. with a maximum 63 µ in. R a surface finish.
70-9410-00 70-9410-01 70-9410-02 70-9410-03
70-4430-02 70-4430-02 70-4430-01 70-4430-01
750 - 5,000 psi 750 - 5,000 psi 300 - 900 psi 300 - 900 psi
70-5437-70 750 - 4,500 psi
4.6 6.0
70-5437-71 150 - 900 psi** 4.6 6.7
70-5437-70 750 - 4,500 psi
5.2 6.0
70-5437-71 150 - 900 psi** 5.2 6.7
* SAE 2 Ports are counterbored for O-Rings that are used in manifold mounting applications. Ø 0.09/0.15 feed holes. ** PRV set pressure is: 150 - 900 psi with an inlet pressure of < 3,000 psi 300 - 900 psi with an inlet pressure > 3,000 psi
Filter Plate For above Valves Model No. 70-8420-01
Order a Filter Plate to protect valves from debris. (More details end of section)
Pressure Adjustment Screw Lock Nut
PRV Valve
.825 .105 .005
L-13
3 PLCS
1.12 HEX
SEQ Valve
Adjustment Screw Lock Nut
1.19
M-13
.94 1.344
2X .93 Hex.
3X
.438 .25
B
SEQ Valve
.281 Thru
SAE 2 Seq Out Port*
SAE 4 Seq Out Port
A
2.50
1.94
2.125
.50
.375
SAE 4 Pressure Inlet Port SAE 4 Pressure Inlet Port
1.250
.750
.50
SAE 2 Seq/Red Out Port*
SAE 2 Pressure Inlet Port*
1.480
.250
SAE 4 Seq/Red Out Port
.625
1.625
ILS709410 REV D
2.625
3.00 3.25
NOTE: Maximum system flow rate is 1.5 gpm
(346.5 cu. in. per minute) for all VektorFlo ® special function valves, unless noted.
Excess flow voids warranty.
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