# PTFE backup ring X4, solid, for aerospace, Prädifa

> PTFE X4 backup ring prevent seal extrusion in dynamic hydraulic/pneumatic systems. Fit AS4716 glands, based on AS5782 specifications. Certified to AMS3678 specifications.

所属技术：密封技术

## 技术参数

| 参数 | 值 | 单位 |
| --- | --- | --- |
| 介质 | Hydraulic |  |
| 聚合材料选件 | Polytetrafluoroethylene (PTFE, mPTFE, Polon®) |  |
| 最大运行压力 | 200 bar, 2900 psi |  |
| 最低运行温度 | '-200 °C, -328 °F |  |
| 最高运行温度 | 260 °C, 500 °F |  |
| 最大表面速度 | 0 m/sec |  |
| 缓冲机制 | No |  |
| 热应用类型 | Low and High Temperature / 121 °C, Low and High Temperature / 250 °F |  |
| 额定压力 | Medium Pressure (\< 250 bar), Medium Pressure / \< 3600 psi |  |
| 符合规格 | AS5782, AS4716, AMS3678 |  |

## 型号入口（首批）

- [AMPX4-004-15](https://hypher.com.cn/products/model/ampx4-004-15-73d1158241187cc8/index.md)
- [AMPX4-005-15](https://hypher.com.cn/products/model/ampx4-005-15-822a4e1c7b3109e7/index.md)
- [AMPX4-006-15](https://hypher.com.cn/products/model/ampx4-006-15-3a171182568aa47f/index.md)
- [AMPX4-007-15](https://hypher.com.cn/products/model/ampx4-007-15-004c7b435df38f43/index.md)
- [AMPX4-008-15](https://hypher.com.cn/products/model/ampx4-008-15-65869df4ea59c519/index.md)
- [AMPX4-009-15](https://hypher.com.cn/products/model/ampx4-009-15-2a0f78b257b4696d/index.md)
- [AMPX4-010-15](https://hypher.com.cn/products/model/ampx4-010-15-04f8c17730ad71a4/index.md)
- [AMPX4-011-15](https://hypher.com.cn/products/model/ampx4-011-15-72da190de18d02ef/index.md)
- [AMPX4-012-15](https://hypher.com.cn/products/model/ampx4-012-15-127b320fb5310a47/index.md)
- [AMPX4-013-15](https://hypher.com.cn/products/model/ampx4-013-15-12cb61b6e9f38cc1/index.md)
- [AMPX4-014-15](https://hypher.com.cn/products/model/ampx4-014-15-d5a83fef996532e7/index.md)
- [AMPX4-015-15](https://hypher.com.cn/products/model/ampx4-015-15-4898bfee0379b259/index.md)
- [AMPX4-016-15](https://hypher.com.cn/products/model/ampx4-016-15-559a913ccc8b85e1/index.md)
- [AMPX4-017-15](https://hypher.com.cn/products/model/ampx4-017-15-638b057d0e63b963/index.md)
- [AMPX4-018-15](https://hypher.com.cn/products/model/ampx4-018-15-02be7c2e40bdf083/index.md)
- [AMPX4-019-15](https://hypher.com.cn/products/model/ampx4-019-15-99a3e5aea4df3a5d/index.md)
- [AMPX4-020-15](https://hypher.com.cn/products/model/ampx4-020-15-494bbeeebac5a8bc/index.md)
- [AMPX4-021-15](https://hypher.com.cn/products/model/ampx4-021-15-272b3863b45b840b/index.md)
- [AMPX4-022-15](https://hypher.com.cn/products/model/ampx4-022-15-a39246641c4df41d/index.md)
- [AMPX4-023-15](https://hypher.com.cn/products/model/ampx4-023-15-05a9cca6a2cee712/index.md)
- [AMPX4-024-15](https://hypher.com.cn/products/model/ampx4-024-15-b6e071ecc96996f1/index.md)
- [AMPX4-025-15](https://hypher.com.cn/products/model/ampx4-025-15-346affb617c7c6c5/index.md)
- [AMPX4-026-15](https://hypher.com.cn/products/model/ampx4-026-15-a2c4eb6eb2be08ce/index.md)
- [AMPX4-027-15](https://hypher.com.cn/products/model/ampx4-027-15-902085b86a0cb597/index.md)

资料来源：[原始系列资料](https://ph.parker.com/cn/zh/product-list/ptfe-backup-ring-x4-solid-for-aerospace-praedifa)

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/ptfe-backup-ring-x4-solid-for-aerospace-praedifa)；[联系技术支持](https://hypher.com.cn/contact)