Sun Hydraulics DCECXAV 换向阀-产品快照
- 品牌:
- Sun Hydraulics
- 型号:
- DCECXAV
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| 供应商名称 | 电话 | 备注 |
|---|---|---|
| 上海萨弗工控设备有限公司 | 021-51095192 | |
| 上海伦萨液压设备有限公司 | 021-69008526 | |
| 升旭液压系统有限公司 | 021-51162862 | |
| 橡达油压机械（上海）有限公司 |
产品介绍
Sun Hydraulics DCECXAV 换向阀
DCECXAV - 4-way, 3-position, pilot-to-shift directional valve
Sun Hydraulics
Three-position, 4-way directional cartridges are spring-centered, 6-port directional valves that can be configured from a choice of spool options. The supply port is port 3 and all ports will accept 5000 psi (350 bar). Capacity for these pilot-to-shift valves is dependent on the spool type specified. All ports will accept 5000 psi (350 bar), including the x and y pilot ports (port 5 and port 6). The reason for the different capacities, or performance limits, for the different spool configurations are flow forces. Flow forces are proportional to flow and pressure drop. Typically, they resist the opening of a passage. Spool configurations that open passages as they spring center are the most susceptible. If the flow forces due to the flow and pressure conditions exceed the centering spring force the valve may not shift completely. Higher flows may be used at lower pressures. Leakage listed in technical data is for each path. The pilot ports, 5 and 6, are positively sealed from the work ports. Cartridges configured with EPDM seals are for use in systems with phosphate ester fluids. Exposure to petroleum based fluids, greases and lubricants will damage the seals. Hardened spool and sleeve provide consistent and low spool leakage rates and excellent wear characteristics. 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 T-63A Series 3 Capacity 25 - 100 gpm95 - 380 L/min. Minimum Pilot Pressure Required to Shift Valve 125 psi9 bar Maximum Operating Pressure 5000 psi350 bar Maximum Valve Leakage at 110 SUS (24 cSt) 2 in³/min.@1000 psi30 cc/min.@70 bar Pilot Volume Displacement .17 in³2,8 cc Valve Hex Size 1 1/4 in.31,8 mm Valve Installation Torque 150 - 160 lbf ft203 - 217 Nm Model Weight 1.80 lb0,80 kg Seal kit - Cartridge Viton: 990-063-006 Show FAQ Direct acting or pilot operated - what do I use? 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. How big is a drop of hydraulic oil? There are exactly 250 Sun drops in a cubic inch or 15 in a cc. Related Files Technical TipsManufacturing Sun Cartridge Cavities (522.27 KB) Pilot Operated Directional Cartridges (2 MB) Sun Model Code Explanation; 999-901-334 (343.9 KB) Sun's Floating Style Screw-In Cartridge (719.9 KB)
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