The pd10-40xx is a screw-in, cartridge style, pilot-operated, spool type, hydraulic directional valve.
Description
The pd10-40xx is a screw-in, cartridge style, pilot-operated, spool type, hydraulic directional valve.
Operation
In neutral position the valve allows flow from port 3 to 2 bidirectionally, while port 4 is blocked. The spring chamber is vented to atmosphere “v” which is internally o-ring sealed from the cartridge flow paths. On remote pilot signal at port 1, the valve’s spool shifts to open port 3 to 4 while port 2 is blocked. Because of the vented spring chamber, the cartridge may be fully pressurized at any port without affecting required pilot pressure.
Features
Hardened spool and cage for long life.
Industry common cavity.
Ratings
Pressure Ratings
Pressure rating:
241 bar (3500 psi)
Temperature Ratings
Operating fluid temperature:
-40 to 100 °C (-40 to 212 °F)With buna N seals
-26 to 204 °C (-15 to 400 °F)With fluorocarbon seals
-54 to 107 °C (-65 to 225 °F)With polyurethane and urethane seals
Storage temperature:
-40 to 70 °C (-40 to 160 °F)
Ambient temperature:
-40 to 90 °C (-40 to 194 °F)
Operating Parameters
Fluids:
Mineral based or synthetic hydraulic fluid with lubricating properties
Fluid viscosity range:
7.4 to 420 cSt
Maximum operating contamination level:
18/16/13 per ISO 4406
Properties
Unit weight:
0.20 kg (0.43 lb)Standard
0.30 kg (0.67 lb)Tall cap
Internal wetted surface area:
189 cm² (29.3 in²)(standard)
225 cm² (34.9 in²)(tall cap)
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