Lado bajo, 3-posiciones, aceite caliente selector válvula
![DSEH : Lado bajo, 3-posiciones, aceite caliente selector válvula](https://cmsimages.sunhydraulics.com/cartg_dseh.gif)
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).
- The spool incorporates a hydraulic stop that eliminates mechanical impact and therefore the potential for internal damage.
- The hydraulic stop results in a small pilot flow from the high side work port (port 2 or 4) to the common port (port 3).
- A unique feature due to the hydraulic stop is that the hot oil relief setting can be confirmed with the transmission in neutral.
- 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.
- 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.
cavidad | T-32A |
Series | 2 |
Capacity | 20 gpm80 L/min. |
Maximum Operating Pressure | 5000 psi350 bar |
Pilot Flow | 23 in³/min.0,38 L/min. |
Valve Hex Size | 1 1/8 in.28,6 mm |
Valve Installation Torque | 45 - 50 lbf ft61 - 68 Nm |
Model Weight | .70 lb0,30 kg |
Seal kit - Cartridge | Buna: 990032007 |
Seal kit - Cartridge | Polyurethane: 990032002 |
Seal kit - Cartridge | Viton: 990032006 |
There are exactly 250 Sun drops in a cubic inch or 15 in a cc.
Direct-acting valves are used to prevent over pressure, and pilot-operated valves are used to regulate pressure. If you are unsure, use a direct-acting valve. Sun's direct acting valves are very fast, dirt tolerant, stable, and robust. Sun's pilot-operated valves are moderately fast, they have a low pressure rise vs. flow curve, and they are easy to adjust.
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