# 先导活塞型单液控单向阀 > P.O.单向阀组合件,允许液流自由流入执行机构,而截止反向的回油液流。只有当先导控制压力超过要求的设定值时, 其先导液控功能才将阀芯开启, 允许回油流过该阀。 所属技术：液压技术 ## 技术参数 | 参数 | 值 | 单位 | | --- | --- | --- | | 流速 | 10, 15, 60 gal/min, 38, 56, 225 L/min | | | 最大入口额定压力 | 3000, 5000 psi, 207, 350, 210 bar | | | 包括密封先导功能 | 否, 是 | | | 开启压力 | 5, 10, 30, 65, 100, 150, 20, 50, 80, 175 psi, 0.3, 0.7, 2.1, 4.5, 6.9, 10.4, 1.4, 3.5, 5.5, 12.1 bar | | | 密封材料 | D 型圈 (标准), 丁腈橡胶, 氟碳橡胶 | | | 最大流速 | 10, 16, 50 gal/min, 38, 60, 187 L/min | | | 最大运行压力 | 3000, 5000 psi, 210, 350 bar | | | 泄漏率 | 2 dpm (.13 cc/min) 交叉液控单向阀及 312 cc/min 交叉先导控制活塞 (无密封), 5 dpm (.33 cc/min) 交叉液控单向阀及 312 cc/min 交叉先导控制活塞 (无密封) cm3/min | | | 启动类型 | Pressure Sensing | | | 功能 | 单液控单向阀 | | | 配置 | Pilot Piston Style | | | 安装类型 | Line Mounted | | | 运行类型 | Automatic | | | 流动方向 | Check flow Cyl to Valve. Free flow Valve to Cyl | | | 先导压力比 | 4:1, 3:1 | | | 与流体类型共同使用 | Mineral-based or synthetic hydraulic fluids | | | 腔体尺寸 | C08, C10, C16 | | | 最大运动粘度 | 具有 45-2000 SSU (6 至 420 cSt) 粘度润滑特性的矿物基或合成液压液 cSt | | | 过滤器效率额定值 | ISO 4406:1999 代码 18/16/13 | | | 阀门材料 | 所有零件为碳钢. 所有工作零件为硬化钢 | | | 阀体材料 | 铝, 碳钢 | | | 连接类型 | SAE | | | 连接尺寸 | '-6, -8, -16 | | | 工作温度 | '-50° 至 +270°, -30° 至 +250°, -15° 至 +400° °F, -45° 至 +132°, -34 至 +121°, -26° 至 +204° °C | | | 最高运行温度 | '+200, +250, +400 °F, +93, +121, +204 °C | | | 最低运行温度 | '-35, -30, -15 °F, -37, -34, -26 °C | | | 重量 | 1, 2, 2.5, 4, 8 lb, 0.45, 0.9, 1.13, 1.8, 3.6 kg | | ## 型号入口（首批） - [CSP103P65-A8T](https://hypher.com.cn/products/model/csp103p65-a8t-e7e6f5d67ed079f5/index.md) - [CSP103P65N-A8T](https://hypher.com.cn/products/model/csp103p65n-a8t-e8cc5dbb7761044c/index.md) - [CSP103P65V-A8T](https://hypher.com.cn/products/model/csp103p65v-a8t-445e944e99f30c7c/index.md) - [CSP103P80-A8T](https://hypher.com.cn/products/model/csp103p80-a8t-e74f561646ab4af8/index.md) - [CSP103P80N-A8T](https://hypher.com.cn/products/model/csp103p80n-a8t-a54999e5c36e9af5/index.md) - [CSP103P80V-A8T](https://hypher.com.cn/products/model/csp103p80v-a8t-37a1dd1f1af88192/index.md) - [CSP103P100-A8T](https://hypher.com.cn/products/model/csp103p100-a8t-090cbf658dab47fc/index.md) - [CSP103P100N-A8T](https://hypher.com.cn/products/model/csp103p100n-a8t-24d1223c75d2ccd8/index.md) - [CSP103P100V-A8T](https://hypher.com.cn/products/model/csp103p100v-a8t-3eba67c1eb2f87e9/index.md) - [CSP103A20-A8T](https://hypher.com.cn/products/model/csp103a20-a8t-aaa3ca388440c21e/index.md) - [CSPH103P50-8T](https://hypher.com.cn/products/model/csph103p50-8t-d1433d4ae0a9a1a0/index.md) - [CSPH103P50N-8T](https://hypher.com.cn/products/model/csph103p50n-8t-a74b86722795c1e3/index.md) - [CSPH103P50V-8T](https://hypher.com.cn/products/model/csph103p50v-8t-b9afe67d2a709d59/index.md) - [CSPH103P65-8T](https://hypher.com.cn/products/model/csph103p65-8t-2b7b60ae506cddc2/index.md) - [CSPH103P65N-8T](https://hypher.com.cn/products/model/csph103p65n-8t-5d9200a7d939729e/index.md) - [CSPH103P65V-8T](https://hypher.com.cn/products/model/csph103p65v-8t-b1404b7dee641a8b/index.md) - [CSPH103P80-8T](https://hypher.com.cn/products/model/csph103p80-8t-4a60b4b9ae8346d4/index.md) - [CSPH103P80N-8T](https://hypher.com.cn/products/model/csph103p80n-8t-296ef46e01b79b0f/index.md) - [CSPH103P80V-8T](https://hypher.com.cn/products/model/csph103p80v-8t-fe40ce8af1a34927/index.md) - [CSPH103P100-8T](https://hypher.com.cn/products/model/csph103p100-8t-c13a0d4a87102cc7/index.md) - [CSPH103P100N-8T](https://hypher.com.cn/products/model/csph103p100n-8t-aa8e76875d6d01fd/index.md) - [CSPH103P100V-8T](https://hypher.com.cn/products/model/csph103p100v-8t-087ca9ff558e6c8c/index.md) - [CSPH103A20-8T](https://hypher.com.cn/products/model/csph103a20-8t-2d580d13e8d6e901/index.md) - [CSPH103A20N-8T](https://hypher.com.cn/products/model/csph103a20n-8t-5630cea6b2aba372/index.md) ## 技术资料与 CAD - [Check Valve Technical Tips](https://hypher.com.cn/library-assets/62d1cef2349550e97e58f16cbb3b052bacf09b2970d85bd325f08e23152a70dc.pdf)：document - [HVS Global Cartridge Valve Catalog MSG15-3504](https://hypher.com.cn/library-assets/80cbb2dda9aea945f0f92dce9ceddbab7190b6aeda45556115c540f9557cc651.pdf)：document - [MSG15-3504 Check Valve Catalog Pages - All](https://hypher.com.cn/library-assets/43a52fa8b9ac93427844301686f49e1597de6907dc8ddee8f46553bfc06faedd.pdf)：document 资料来源：[原始系列资料](https://ph.parker.com/cn/zh/product-list/pilot-piston-style-pilot-operated-check-valves) 价格、库存和交期请联系上海海费确认。更多型号和资料见 [完整系列页面](https://hypher.com.cn/products/hydraulics/pilot-piston-style-pilot-operated-check-valves)；[联系技术支持](https://hypher.com.cn/contact)