# BP 型，双作用液压活塞密封 > Resilon® 聚氨酯活塞密封用于中到重型,双向液压应用。耐磨,耐挤压和温度扩展能力。 所属技术：密封技术 ## 系列介绍 能力 为了选择材料和尺寸，这里只是把派克的一个型号作为样品在配置中介绍。如果你需要的材料和尺寸没有展示出来，型号辅助查询系统可能在产品维护表中找到。检查当前的工具,检查零件号码查找文档。如有典型范围以外的需求请联系派克。 性能优点 派克的BP型是一个压缩类型,聚氨酯帽活塞密封，用于中型，重型,双向液压应用。这个密封主要为线性应用而设计的,但已经成功地用作低速旋转密封。这个结构的标准材料是Resilon®复合型P4304D60,派克聚氨酯提供更高的耐磨性,耐挤压,超过4304聚氨酯扩展的温度范围,复合P4304D60。派克聚氨酯提供更高的耐磨性,耐挤压,和扩展的温度范围超过了标准等级聚氨酯。Resilon 4304帽是使用蓄能弹性的丁腈橡胶弹性体来提供低压缩的永久变形。 BP型的几何形状在双唇之间提供了一个流体储层，保有有系统的液体,导致减少了分离和运行摩擦。BP型的附加功能包括: • 设计改造的O型圈沟槽 • 易于安装 • 在长冲程的应用中抵抗滚动和扭曲 派克的Resilon聚氨酯的能力，BP型提供: • 长寿命 • 抗挤出 • 低压缩变形 • 抗震动载荷 • 无压力时有良好的密封性能 标准材料: • P4304D60 Resilon 聚氨酯;温度－65 / 275F; 压力 7000 psi;表面速度 \< 1.6 ft/s 蓄能弹簧材料: • 编码“A” 70A车床加工丁腈橡胶弹性体，温度－30 / 250F \*压力范围显示系统没有耐磨环。如果使用耐磨环，咨询工程部分(Section2)派克的流体动力密封设计指南的工程部分(Section2)，目录EPS5370 替代材料: 应用中可能需要另一种材料,请联系您的派克EPS的代表。 典型应用 液压油缸及设备元件的动态密封 BP 型以一套组合用于销售(密封体和弹性体) ## 技术参数 | 参数 | 值 | 单位 | | --- | --- | --- | | 孔径 | 1.5 至 8.002 英寸; 32.0 至 200.0 mm inch, 32.0 to 200.0 mm | | | 密封压盖深度 | 0.121 至 0.237 英寸; 3.7 至 10.5 mm inch, 3.7 to 10.5 mm | | | 最大运行压力 | 达到 7000 psi | | | 最低运行温度 | -65 °F | | | 最高运行温度 | 275 °F | | | 密封材料 | P4304D60 | | | 弹性体 | NBR | | | 硬度计 | 70 Shore A (energizer ring), 60 Shore D (cap ring) | | | 与流体类型共同使用 | 石油基液压油 | | | 颜色 | 棕色 | | | 热应用类型 | 扩展的低和高温（\<-30F, \>250F) °F | | | 聚合材料选件 | TPU（聚氨酯） | | | 介质 | 液压 | | | 最大表面速度 | 100 (0.5 M/S) ft/min, 0.5 m/sec | | | O-Ring Dash Number | 各种各样的 | | ## 型号入口（首批） - [4304BP218A](https://hypher.com.cn/products/model/4304bp218a-53a05201b5590b75/index.md) - [4304BP220A](https://hypher.com.cn/products/model/4304bp220a-04b12822ee70a6c4/index.md) - [4304BP222A](https://hypher.com.cn/products/model/4304bp222a-a0132374802bfc29/index.md) - [4304BP326A](https://hypher.com.cn/products/model/4304bp326a-3df87f81f56d33e2/index.md) - [4304BP328A](https://hypher.com.cn/products/model/4304bp328a-d798b2558303d0f6/index.md) - [4304BP330A](https://hypher.com.cn/products/model/4304bp330a-b135f76db621ea93/index.md) - [4304BP331A](https://hypher.com.cn/products/model/4304bp331a-bdc99c19e026aafe/index.md) - [4304BP332A](https://hypher.com.cn/products/model/4304bp332a-0fa8923f07490312/index.md) - [4304BP334A](https://hypher.com.cn/products/model/4304bp334a-e8c73bd0da3d7bae/index.md) - [4304BP336A](https://hypher.com.cn/products/model/4304bp336a-a91730d940fb2ea3/index.md) - [4304BP338A](https://hypher.com.cn/products/model/4304bp338a-dd96314551569177/index.md) - [4304BP340A](https://hypher.com.cn/products/model/4304bp340a-88832a011173e54e/index.md) - [4304BP341A](https://hypher.com.cn/products/model/4304bp341a-994f5498593411e2/index.md) - [4304BP342A](https://hypher.com.cn/products/model/4304bp342a-96d5190925af4f0e/index.md) - [4304BP344A](https://hypher.com.cn/products/model/4304bp344a-b122791c7b11ed77/index.md) - [4304BP346A](https://hypher.com.cn/products/model/4304bp346a-dba833ac75a0164d/index.md) - [4304BP348A](https://hypher.com.cn/products/model/4304bp348a-2b395c1f5b4ea507/index.md) - [4304BP350A](https://hypher.com.cn/products/model/4304bp350a-22818795e0386cc8/index.md) - [4304BP427A](https://hypher.com.cn/products/model/4304bp427a-462d07460ed90e44/index.md) - [4304BP429A](https://hypher.com.cn/products/model/4304bp429a-8796bc95d992fa40/index.md) - [4304BP431A](https://hypher.com.cn/products/model/4304bp431a-78fc31185f8ecb1c/index.md) - [4304BP433A](https://hypher.com.cn/products/model/4304bp433a-7f93975b66d3ac6e/index.md) - [4304BP437A](https://hypher.com.cn/products/model/4304bp437a-9975d06b5b607449/index.md) - [4304BP439A](https://hypher.com.cn/products/model/4304bp439a-c97b2d9995d81866/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-Pressure-Pedestals](https://www.parker.com/content/dam/Parker-com/Literature/Engineered-Polymer-Systems/EPS-Tech-Tip-Pressure-Pedestals.pdf)：document - [EPS-Tech-Tip-Typical Sealing Systems in Common Linear Fluid Power Devices](https://hypher.com.cn/library-assets/c48a10c7af7b8f9bbd48d55140382a8caa0849f5d79b6a4286915fe28e5f7431.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's Sealing and Shielding blog](https://blog.parker.com/sealing-shielding)：document - [Part Number Look-Up](https://hypher.com.cn/library-assets/3bc762a0d2ce00ecdc2c47b8b27f1d62429364ef8289f384dbb5b4ecb6d02274.pdf)：document - [Resilon® Polyurethane --Landing Page](https://www.parker.com/eps/resilon)：document - [Webinar On-Demand: A Deep Dive into Shock Absorber Sealing](https://www.parker.com/us/en/divisions/engineered-polymer-systems-division/industries/automotive-and-transportation/shock-absorber-seals/webinar--a-deep-dive-into-shock-absorber-sealing-systems0.html)：document - [查看目录](https://hypher.com.cn/library-assets/fc22e610a8f88951436a1dbe8c599f8ae07ddbc1d8c6959bd81d52763afd9b4a.pdf)：document 资料来源：[原始系列资料](https://ph.parker.com/cn/zh/product-list/double-acting-hydraulic-piston-seal-bp) 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/double-acting-hydraulic-piston-seal-bp)；[联系技术支持](https://hypher.com.cn/contact)