# 先导式单向阀 - LO系列

> LO和LOA型阀是先导式单向阀，用于锁定气缸，或在控制阀处于中间位置时保证回路无泄漏。

所属技术：液压技术

## 技术参数

| 参数 | 值 | 单位 |
| --- | --- | --- |
| 连接尺寸 | #10, 1/2", #6, 1/4", 3/8" |  |
| 最高运行温度 | '+200 °F |  |
| 最大流速 | 25, 8 gal/min |  |
| 配置 | N/A |  |
| 最低运行温度 | '-40 °F |  |
| 启动类型 | Hydraulic Pressure |  |
| 选件 | Single PO Check, Double PO Check |  |
| 连接类型 | SAE, NPT |  |
| 产品风格 | Pilot Operated Check Valve |  |
| 流动方向 | N/A |  |
| 密封材料 | Nitrile |  |
| 最大运行压力 | 30002000 psi |  |
| 阀体材料 | 高强度铸铁 |  |
| 安装类型 | 在线 |  |
| 重量 | 6,2.75 lb |  |

## 型号入口（首批）

- [LO-10-D](https://hypher.com.cn/products/model/lo-10-d-23f41c42c6e741ed/index.md)
- [LO-10-S](https://hypher.com.cn/products/model/lo-10-s-b900e027b96c91bd/index.md)
- [LO-50-D](https://hypher.com.cn/products/model/lo-50-d-86c90b19ec47e117/index.md)
- [LO-50-S](https://hypher.com.cn/products/model/lo-50-s-2f78e1f64edcd5ac/index.md)
- [LOA-25-D](https://hypher.com.cn/products/model/loa-25-d-062b6460095b7d87/index.md)
- [LOA-25-S](https://hypher.com.cn/products/model/loa-25-s-9bec455bd2261618/index.md)
- [LOA-38-D](https://hypher.com.cn/products/model/loa-38-d-efe57de865739d28/index.md)
- [LOA-38-S](https://hypher.com.cn/products/model/loa-38-s-38f9bff90a12b364/index.md)
- [LOA-6-D](https://hypher.com.cn/products/model/loa-6-d-ea1dc4ae8762bb62/index.md)
- [LOA-6-S](https://hypher.com.cn/products/model/loa-6-s-cfcab7093b613fa2/index.md)

## 技术资料与 CAD

- [Pilot Operated Check Valve Catalog - LO Series](https://hypher.com.cn/library-assets/449b68ed194692fccc0797dfc02d8dd750191237f2923badfd5155bc65a98c2c.pdf)：document
- [查看目录](https://hypher.com.cn/library-assets/0a919171e431798297738f32f13c7713feb63b46eaba3f9234eaa4b21a120e5c.pdf)：document

资料来源：[原始系列资料](https://ph.parker.com/cn/zh/product-list/pilot-operated-check-valves-lo-series)

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-operated-check-valves-lo-series)；[联系技术支持](https://hypher.com.cn/contact)