# 应用于高压油缸中的聚氨酯缸头静密封：HS型 > 派克针对液压系统缸头静密封应用推出的聚氨酯HS系列产品，是用以替代传统的O型圈加挡圈的结构，密封高压应用。 所属技术：密封技术 ## 系列介绍 产品可用性：上文展示了一组派克订货号在选择材料和尺寸方面的用法，如您所需的材料和尺寸未在上表中显示，请结合产品订货号命名法咨询派克公司。 产品优势与特性： 派克HS用于替换传统的O型圈加挡圈的组合，适用于高压静密封场合。针对行走液压设备的需求，派克研发出HS产品，用以降低产品成本和维修成本，并减少OEM客户的停机时间。HS产品可以完全避免传统O型圈加挡圈结构常出现的两种密封失效，同时具备更强的耐冲击载荷和抗挤出性能，延长了密封使用寿命。 相对于传统的O型圈加挡圈，HS产品具备以下优势： • 易于安装，不易发生安装过程中的O型圈翻转或者挡圈被挤出或划伤的情况。 • 更好的稳定性 • 沟槽中不会发生扭曲或者翻转 • 聚氨酯具有的高耐挤出性 • 寿命长 HS型密封的截面尺寸同于O型圈AS568配一个挡圈的标准 标准材料: • P4700A90聚氨酯，温度-65F-+200F，压力可耐 10,000 psi 替换材料：对于特殊应用需要更换其他材料的，请联系派克公司。 典型的应用： • 液压阀上，油缸，机床工具，注塑机以及其他需要径向密封的应用。 ## 技术参数 | 参数 | 值 | 单位 | | --- | --- | --- | | 凹槽宽度 | 0.208, 0.311 inch, 0.311 inch | | | 最低运行温度 | -65 °F | | | 最高运行温度 | 200 °F | | | 最大运行压力 | 10000 psi（静密封） psi | | | 密封材料 | P4700A90 | | | 与流体类型共同使用 | 石油基液压油 | | | 颜色 | 绿色 | | | 硬度计 | 90 Shore A | | | 热应用类型 | 低温 (\<-30F) °F | | | 聚合材料选件 | TPU（聚氨酯） | | | 介质 | 液压 | | | 测量单位 | 英寸 | | ## 型号入口（首批） - [4700HS12-228](https://hypher.com.cn/products/model/4700hs12-228-830148cedf2f40bd/index.md) - [4700HS12-230](https://hypher.com.cn/products/model/4700hs12-230-fb92c001fa7d3adf/index.md) - [4700HS12-232](https://hypher.com.cn/products/model/4700hs12-232-43a2baf3c74b5bb7/index.md) - [4700HS12-234](https://hypher.com.cn/products/model/4700hs12-234-0d8a9e6980fe549e/index.md) - [4700HS12-235](https://hypher.com.cn/products/model/4700hs12-235-d207f6f6c5e346dc/index.md) - [4700HS12-236](https://hypher.com.cn/products/model/4700hs12-236-bd1a98a0282e4811/index.md) - [4700HS12-238](https://hypher.com.cn/products/model/4700hs12-238-ab504f4301555fb9/index.md) - [4700HS12-240](https://hypher.com.cn/products/model/4700hs12-240-d7193563b1095e65/index.md) - [4700HS12-242](https://hypher.com.cn/products/model/4700hs12-242-cc4d1fac1965afc0/index.md) - [4700HS12-244](https://hypher.com.cn/products/model/4700hs12-244-80dc89e79f499777/index.md) - [4700HS12-246](https://hypher.com.cn/products/model/4700hs12-246-06ab17159672168e/index.md) - [4700HS12-248](https://hypher.com.cn/products/model/4700hs12-248-13f3483a39bb2b14/index.md) - [4700HS12-250](https://hypher.com.cn/products/model/4700hs12-250-4712c606e28e6435/index.md) - [4700HS12-251](https://hypher.com.cn/products/model/4700hs12-251-c375abf97e045a9a/index.md) - [4700HS12-252](https://hypher.com.cn/products/model/4700hs12-252-7210862cc5246982/index.md) - [4700HS12-254](https://hypher.com.cn/products/model/4700hs12-254-1dde156acba19309/index.md) - [4700HS12-256](https://hypher.com.cn/products/model/4700hs12-256-512f171442bc2090/index.md) - [4700HS12-342](https://hypher.com.cn/products/model/4700hs12-342-6eaab4b1ac1d066e/index.md) - [4700HS12-344](https://hypher.com.cn/products/model/4700hs12-344-2c68681e663f89e7/index.md) - [4700HS12-346](https://hypher.com.cn/products/model/4700hs12-346-101f05d8803eaec0/index.md) - [4700HS12-348](https://hypher.com.cn/products/model/4700hs12-348-9e4481a828074b3f/index.md) - [4700HS12-350](https://hypher.com.cn/products/model/4700hs12-350-53d4e7ba804a3141/index.md) - [4700HS12-352](https://hypher.com.cn/products/model/4700hs12-352-3591e6f235e768b0/index.md) - [4700HS12-353](https://hypher.com.cn/products/model/4700hs12-353-0aca4304061b7d31/index.md) ## 技术资料与 CAD - [Basic Sealing Technology-Linear Sealing](https://hypher.com.cn/library-assets/1560a727e2a7b9b4abe0464d20ac8c8276c92644bd4b55b0cb36761997788933.pdf)：document - [Design Action Request--DAR](https://hypher.com.cn/library-assets/3fc667448ce78a492e3897ac710f4d2cc4978d4f4c9e4a2089bc2d001bfb44b7.pdf)：document - [EPS Division, SLC, IATF 16949:2016](https://hypher.com.cn/library-assets/107dfad903a48c2154089a5a9de48d92b69f26ea1729e3094596c767c2e4a3d6.pdf)：document - [EPS Division, SLC, ISO 9001:2015 and AS9100D in Accordance With AS9104/1](https://hypher.com.cn/library-assets/e7080e72da73e7018d0634f9a2ce71f606d41c1582f1e3c531fd199172235d3b.pdf)：document - [EPS-Tech-Tip-HS-Profile](https://www.parker.com/content/dam/Parker-com/Literature/Engineered-Polymer-Systems/EPS-Tech-Tip-HS-Profile.pdf)：document - [Fluid Power Seal Design Guide--EPS 5370](https://hypher.com.cn/library-assets/1560a727e2a7b9b4abe0464d20ac8c8276c92644bd4b55b0cb36761997788933.pdf)：document - [Frequently Asked Questions](https://hypher.com.cn/library-assets/55ea9c2f08963132f1c1ad7544ec257a1c3adcc871bb7aaa730b6a8909dfae9c.pdf)：document - [Installation Techniques for Linear Fluid Power Seals](https://www.parker.com/content/dam/videos/emg/group/Parker_EMG_EPS_Linear-Seal-Installation.mp4)：document - [Parker Pradifa: HS Static Radial Seal](https://www.parker.com/content/dam/Parker-com/Literature/Praedifa/Brochures/HS_PDE3021-GB.pdf)：document - [Part Number Look-Up](https://hypher.com.cn/library-assets/3bc762a0d2ce00ecdc2c47b8b27f1d62429364ef8289f384dbb5b4ecb6d02274.pdf)：document 资料来源：[原始系列资料](https://ph.parker.com/cn/zh/product-list/polyurethane-head-seals-for-high-pressure-hydraulic-applications-hs) 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/sealing/polyurethane-head-seals-for-high-pressure-hydraulic-applications-hs)；[联系技术支持](https://hypher.com.cn/contact)