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A 4-way, manual, pull-to-shift, spring-return, directional hydraulic cartridge valve.Series operation is prohibited due to the tank port (➀) pressure rating.
In its steady-state, spring-offset position, the MP08-40 directs flow from ➂ to ➁, and from ➃ to ➀In the actuated (pulled) position, the cartridge directs flow from ➂ to ➃, and from ➁ to ➀. The spring chamber is vented at ➀Note: Pressure at port ➀ will directly act on the spool and spring. Port ➀ is intended to be a tank port only.
A unique pull-and-rotate feature for holding the positive actuated position is optional.
A 90° rotation is required to position at the hold slot. The valve resets to spring-return
de-actuated with a slight pull and a 90° turn from the locked actuated position.
• Hardened spool and cage for long life.
• Pressure to 14 bar (200 psi) on ➀
• Optional rotational lock position.
• Compact size.
Operating Pressure: On ➁, ➂ and ➃: 240 bar (3500 psi)On ➀ (Max.): 14 bar (200 psi)
Proof Pressure: 350 bar (5075 psi)
Flow: See Performance Chart
Internal Leakage: 82 cc/minute (5 cu. in./minute) max.
Mechanical Pull Effort Required: 7.7 kg. (17 lbs.) installed; 8.6 kg. (19 lbs.) to travel 3.2 mm (0.125 in.); 9.1 kg. (20 lbs.) to detent
Temperature: -40 to 120°C
Filtration: See page 9.010.1
Fluids: Mineral-based or synthetics with lubricating properties at viscosities of 7.4 to 420 cSt (50 to 2000 sus); See Temperature and Oil Viscosity, page 9.060.1
Installation: No restrictions; See page 9.020.1
Cavity: VC08-4; See page 9.108.1
Cavity Tool: CT08-4XX; See page 8.600.1
Seal Kit: SK08-4X-MMT; See page 8.650.1
