Vickers | 1PSC100-P-35-S-XXX
1PSC100-P-35-S-XXX
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The 1PSC100-P-35-S-XXX valve belongs to the Sequence and Unloading Valves series and is manufactured by Vickers. It supports hydraulic automation by sequencing secondary actuators and unloading flow once the circuit reaches a defined pressure. An internal pilot senses inlet pressure directly, eliminating extra sensing lines. External adjustment enables technicians to tune the operating point without removing the cartridge. The factory standard setting for code 35 is 280 bar, and the unit tolerates up to 350 bar rated pressure for higher load conditions. A rated flow of 150 l/min accommodates medium-capacity systems, while a 14 l/min setting flow guarantees steady pilot operation during calibration. External draining routes pilot oil to tank so backpressure does not alter the threshold. A reverse free-flow check allows unrestricted return flow when pressure reverses, and the A880 cavity with a 1-14 UNS thread provides compatibility with common manifold blocks.
The cartridge length of 71.0 mm fits compact housings, and a 28.6 mm hex across flats permits secure wrench engagement. Installation torque is specified at 60 Nm to seal the valve without damaging the cavity. With a weight of 0.17 kg, the component can be handled easily during assembly or service. Leakage is limited to 35 ml/min at 280 bar to minimize energy loss and heat generation in the hydraulic loop. Buna-N seals maintain this leakage rate under typical fluid exposure, extending service life. These dimensional, mechanical, and sealing characteristics combine to deliver reliable sequencing and unloading performance in space-constrained hydraulic manifolds.
Technical Specifications
Adjustment Type
External
Cavity
A880
Drain Type
External
Hex Size (a/f)
28.6 mm
Installation Torque
60 Nm
Leakage
35 ml/min @ 280 bar
Length
71.0 mm
Pilot Type
Internal
Rated Flow
150 l/min
Rated Pressure
350 bar
Reverse Free Flow Check
Yes
Seal Material
Buna-N
Setting Flow
14 l/min
Standard Setting (code 35)
280 bar
Thread Size
1-14 UNS
Weight
0.17 kg
1620 Old Apex Road
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