BV10-40 — Brake Release Valve
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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 2 to 3. When the pressure differential between
the 1 and 4 ports exceeds approximately 5.5 bar (80 psi), the spool has moved far
enough to close 2 to 3 flow, while opening the higher pressure of 1 or 4 to 2.
• Hardened spool and cage for long life.
• Industry common cavity.
Operating Pressure: 240 bar (3500 psi)
Proof Pressure: 390 bar (5700 psi)
Flow: up to 7.5 lpm (2 gpm)
Maximum Internal Leakage at 207 bar (3000 psi): 164 cc/minute (10 cu. in./minute)
Differential Pressure Required: (1 > 4, 4 > 1) to Shift to Close 2 to 3 /
Open 1 or 4 to 2: 5.5 bar (80 psi)
Temperature: -40° to 100°C (-40° to 212°F) with Buna seals;
-26° to 204°C (-15° to 400°F) with fluorocarbon 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_4w
Cavity Tool: CT10-4xx; See page 8.600.1
Seal Kit: SK10-4x-TBT; See page 8.650.1
Cartridge: Weight: 0.16 kg (0.35 lb);
Steel with hardened work surfaces.
Zinc-plated exposed surfaces; Buna N
O-rings and polyester elastomer back-ups standard.
Standard Ported Body: Weight:
0.34 kg (0.75 lb); Anodized high-strength 6061 T6 aluminum alloy, rated to 207 bar
(3000 psi). Ductile iron bodies available; dimensions may differ.
See page 8.010.1_4w
|Selection guide - similar valves.
||PDF file of this page.||STP file for BV10-40||Request a quote.|