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Direct-acting, low side, 3-position, shuttle valve
Cavity: T-31A | Capacity:
See CAD Files tab below to request images.
Technical specifications
Low-side (hot oil) shuttle cartridges allow hot oil to be diverted from the low pressure side of a closed loop system. When both work ports (ports 2 and 4) are at equal pressures the valve is spring-centered to an all-ports-blocked position. When one of the work ports (port 2 or 4) sees a higher pressure the opposite work port is connected to the common port (port 3).
- NOTE: Low shift values can potentially result in charge pump pressure alone inadvertently shifting the valve. Use care when selecting shift pressure.
- Although this valve goes into a 4-port cavity, the nose (port 1) is not used.
- This valve does not have a hydraulic stop and therefore has no pilot flow. Some circuits other than hydrostatic transmissions cannot tolerate the added leakage.
- Incorporates the Sun floating style construction to minimize the possibility of internal parts binding due to excessive installation torque and/or cavity/cartridge machining variations.
- Cavity
- Series
- Capacity15 gpm
- Maximum Operating Pressure5000 psi
- Maximum Valve Leakage at 110 SUS (24 cSt)1 in³/min.@1000 psi
- Valve Hex Size7/8 in.
- Valve Installation Torque30 - 35 lbf ft
- Model Weight.40 lb
- Seal kit - Cartridge
- Seal kit - Cartridge
- Seal kit - Cartridge
What parts of the Sun cartridge valve are field serviceable?
How big is a drop of hydraulic oil?
Direct acting or pilot operated - what do I use?
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