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A screw-in, cartridge-style, spool-type, hydraulic directional valve which operates by pressure-to-shift spring return. It is normally used to release a spring-applied brake whenever hydraulic power is directed to move a load.
In neutral, the BV10-40 allows flow from ➁ to ➂. When the pressure differential between the ➀ and ➃ ports exceeds approximately 5.5 bar (80 psi), the spool has moved far enough to close ➁ to ➂ flow, while opening the higher pressure of ➀ or ➃ to ➁
• Hardened spool and cage for long life.
• Industry common cavity.
Operating Pressure: 240 bar (3500 psi)
Proof Pressure: 390 bar (5700 psi)
Flow: See Performance Chart
Internal Leakage: 164 cc/minute (10 cu. in./minute) max. at 207 bar (3000 psi) ➁ to ➂ (shifted)
Differential Pressure Required (➀ > ➃, ➃ > ➀) to Shift to Close ➁ to ➂ / Open ➀ or ➃ to ➁: 5.5 bar (80 psi)
Temperature: -40 to 120°C with standard Buna seals
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: VC10-4; See page 9.110.1
Cavity Tool: CT10-4XX; See page 8.600.1
Seal Kit: SK10-4X-TBT; See page 8.650.1
