3通, 电磁滑阀换向阀 - 先导流量
此类2位3通电磁阀为直动式,平衡滑阀结构先导级阀且常用来作其他大流量阀的先导级。此类阀为口1和口2常开或口1和口3常开且所有流通的油路为双向。
- 电磁铁组件的疲劳耐压等级为5000 psi (350 bar)。
- 此阀可被直接驱动且不需要最小液压操作压力。
- 配置EPDM密封圈的插装阀可用在磷酸酯液压油系统。暴露在石油基液压油或润滑油脂中会损坏密封圈。
- 因高效率的套筒设计,只需要12 瓦特来切换阀。
- 阀表现出极低的泄漏速率;小于10滴/分钟。@5000 psi(0,7 cc/min @ 350 bar)。
- 此阀采用湿式衔铁线圈设计。这意味着衔铁周围的工作流体介质将曝露在线圈所产生热场中。如果线圈长时间通电,这将是一个影响因素。一些液体,特别是水/乙二醇混合物,会在长时间高温下分解并形成凡立水,而这将会影响阀的功能。
- 不同的线圈接头与电压选项都是可选的,也同时可选带或不带浪涌保护。
- 线圈可以和Sun的系列P先导级电磁阀产品互换并可从另外一个方向上安装在套筒上。
- 利用Sun浮动结构减少由于过量安装扭矩或插孔/插装阀加工误差带来的内部零件粘结的可能性。
插孔 | T-9A |
系列 | P |
通流能力 | .25 gpm1 L/min. |
最大操作压力 | 5000 psi350 bar |
110 SUS (24 cSt)下的最大泄漏 | 10 drops/min.@5000 psi0,7 cc/min.@350 bar |
手动紧急操作需要的力 | 10 lbs/1000 psi @ Port 166 N/100 bar @ Port 1 |
额定响应时间 | 30 ms30 ms |
切换频率 | 15,000 max. cycles/hr15,000 max. cycles/hr |
衔铁直径 | .56 in.14,2 mm |
阀头部安装六角尺寸 | 7/8 in.22,2 mm |
阀安装扭矩 | 20 - 25 lbf ft27 - 33 Nm |
型号重量 | .40 lb0,20 kg |
Seal and nut kit - Coil | Viton: 990760006 |
Seal kit - Cartridge | Buna: 990009007 |
Seal kit - Cartridge | EPDM: 990309014 |
Seal kit - Cartridge | Polyurethane: 990009002 |
Seal kit - Cartridge | Viton: 990009006 |
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.
In many circuits the directional cartridge is set to shift at a low pressure no matter how high the pilot pressure goes. If you use a DP__ , the pilot flow increases to significant amounts. A DR__ however will only consume a small amount of flow. A DP__ is useful when you want to block or open the pilot flow to shift the valve.
- 在阀的最大尺寸之外需增加额外的2.00 inches (50,8 mm),以进行线圈的安装和移除。
- Get the relief you need. Adjustable. Ventable. Blockable. FLeX-ible.
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