# 液流/减压叠加阀，先导式 - PR系列

> 派克PR 系列先导式减压/溢流阀用于局部压力的设定，其压力小于系统正常压力。

所属技术：液压技术

## 技术参数

| 参数 | 值 | 单位 |
| --- | --- | --- |
| 最高运行温度 | '+122 °F |  |
| 最大流速 | 10, 20, 80 gal/min |  |
| 最低运行温度 | '-4 °F |  |
| 启动类型 | Hydraulic Pressure |  |
| 阀体材料 | Aluminum, Ductile Iron |  |
| 密封材料 | Nitrile |  |
| 产品风格 | 先导式减压/液流阀 |  |
| 最大运行压力 | 3000, 5000 psi, 207, 345 bar |  |
| 过滤器效率额定值 | ISO 4406（1999）; 18/16/13（见NAS 1638：7） |  |
| 介质 | 油 |  |
| 安装类型 | 板式安装 |  |
| 重量 | 3.1, 6.2, 2.1, 4.4, 6.4, 12.9, 12.6, 8.5, 17.1, 10.8, 10.4, 24.7, 11.6, 25.7 lb, 1.4, 2.8, 0.9, 2, 2.9, 5.8, 3.9, 7.8, 4.9, 9.2, 11.2, 5.3, 11.7 kg |  |

## 型号入口（首批）

- [PR03AA10NA](https://hypher.com.cn/products/model/pr03aa10na-b7a5d965d4549b6e/index.md)
- [PR03AA20ND](https://hypher.com.cn/products/model/pr03aa20nd-878af9c575f9226a/index.md)
- [PR03BB10NA](https://hypher.com.cn/products/model/pr03bb10na-6fc52cc24aa06d65/index.md)
- [PR03BB20ND](https://hypher.com.cn/products/model/pr03bb20nd-e948cb32a40c1810/index.md)
- [PR03PP10NA](https://hypher.com.cn/products/model/pr03pp10na-d922e09810733ae2/index.md)
- [PR03PP20ND](https://hypher.com.cn/products/model/pr03pp20nd-29d279111c538f63/index.md)
- [PR05AA10NA](https://hypher.com.cn/products/model/pr05aa10na-e0e19d22984a298c/index.md)
- [PR05AA20ND](https://hypher.com.cn/products/model/pr05aa20nd-36689030091126a6/index.md)
- [PR05BB10NA](https://hypher.com.cn/products/model/pr05bb10na-a0e50cf096e27040/index.md)
- [PR05BB20ND](https://hypher.com.cn/products/model/pr05bb20nd-7114f9fad4d87b67/index.md)
- [PR05PP10NA](https://hypher.com.cn/products/model/pr05pp10na-fb702a55063eb3a7/index.md)
- [PR05PP20ND](https://hypher.com.cn/products/model/pr05pp20nd-4117a0f805946d81/index.md)
- [PR07AA10NA](https://hypher.com.cn/products/model/pr07aa10na-ffb093d0d05ebaee/index.md)
- [PR07AA20ND](https://hypher.com.cn/products/model/pr07aa20nd-6f252f0160b2297d/index.md)
- [PR07BB10NA](https://hypher.com.cn/products/model/pr07bb10na-0f055d7d5c71fa13/index.md)
- [PR07BB20ND](https://hypher.com.cn/products/model/pr07bb20nd-c7444441db6f7efb/index.md)
- [PR07PP10NA](https://hypher.com.cn/products/model/pr07pp10na-2a7be2b14edbdcf3/index.md)
- [PR07PP20ND](https://hypher.com.cn/products/model/pr07pp20nd-dd07f5dab7226b0c/index.md)
- [PR08AA10NA](https://hypher.com.cn/products/model/pr08aa10na-14d372a5f2ed825e/index.md)
- [PR08AA20ND](https://hypher.com.cn/products/model/pr08aa20nd-cfa04b9e22422a76/index.md)
- [PR08BB10NA](https://hypher.com.cn/products/model/pr08bb10na-3888c847d8d462b4/index.md)
- [PR08BB20ND](https://hypher.com.cn/products/model/pr08bb20nd-e20574c074192c50/index.md)
- [PR08PP10NA](https://hypher.com.cn/products/model/pr08pp10na-48bf4671571daba3/index.md)
- [PR08PP20ND](https://hypher.com.cn/products/model/pr08pp20nd-9d9686909964be57/index.md)

## 技术资料与 CAD

- [Hydraulic Valve Division Safety Guide](https://hypher.com.cn/library-assets/13420b3fac56e670844d4364d2dcd662cfcaf28b4f0881188c423d08503674d7.pdf)：document
- [MSG14-2500/US Industrial Hydraulic Valves](https://hypher.com.cn/library-assets/342461c6ce60dc05da7de8290bbb1adb48c6b86a7229b3baf106883e1b0e67a5.pdf)：document
- [PR Product Series catalog pages](https://www.parker.com/content/dam/Parker-com/Literature/hydraulic-valve-systems-division/hydraulicvalve/Catalogs-Bulletins/Ind-EH-Mbl--misc-bulletins-/Bul-HY14-2544-B5-PR-Sandwich.pdf)：document

资料来源：[原始系列资料](https://ph.parker.com/cn/zh/product-list/pressure-reducing-relieving-sandwich-valve-pilot-operated-pr-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/pressure-reducing-relieving-sandwich-valve-pilot-operated-pr-series)；[联系技术支持](https://hypher.com.cn/contact)