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外泄式, 液控单向阀 - 透大气
Cavity: T-17A | Capacity:
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技术规格
此阀为先导液控单向阀。它具有密封导压，钢质阀座并且为透气型。它允许液流从阀口（口2）向负载口（口1）自由流动，截止其反向液流。先导口（口3）的压力使阀开启从口1到口2的流道。口3需要的开启先导压力与口1的负载压力直接成正比。因弹簧腔通过阀体六角口后端接通大气，所以阀不受口2压力影响。
- 2口和3口之间完全密封。
- 先导压力只要只要比泄油压力大75psi（5bar），就可以将阀芯打开。
- 通大气型的单向阀只是针对现有的回路设计中出现问题时的急救措施。（错误地使用了无外泄口的阀）但是这种通大气型阀始终会有油液泄漏到弹簧腔。在新的设计中请考虑使用4口外泄式单向阀。
- 先导开启的单向阀是锁阀，并不是动作控制阀。如需要动作控制，请使用平衡阀。
- 大约每4000次动作可以产生1滴（0.07cc）的泄漏，从先导腔泄漏进弹簧腔。
- 对于人工释放负载的控制，顺时针可减小负载。
- 提供软管爆裂保护功能，防止负载坠落，很好地锁住高压负载。
- 非常低的泄漏量。阀座和阀芯经过热处理可以有更长的使用寿命。如果负载由于阀发生了移动，说明阀座处很有可能被污染物损坏了，阀需要被替换。
- 当回路要求口间没有泄漏，可以使用这种先导完全密封的阀。
- Sun浮动式的结构可以最大限度地减少由于过大的安装扭矩以及孔型加工的误差所造成的干涉现象
- 插孔T-17A
- 系列3
- 通流能力60 gpm
- 最大操作压力5000 psi
- 先导比3:1
- 110 SUS (24 cSt)下的最大泄漏1 drops/min.
- 阀头部安装六角尺寸1 1/4 in.
- 阀安装扭矩150 - 160 lbf ft
- 调节螺栓的内六角尺寸1/8 in.
- 锁紧螺母六角尺寸7/16 in.
- 型号重量1.10 lb
- Seal kit - Cartridge
- Seal kit - Cartridge
- Seal kit - Cartridge
- Seal kit - Cartridge
- Seal kit - Cartridge
- Seal kit - Cartridge
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