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JST SealsItem NO.:
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50High pressure rotary lip seals
High Pressure Rotary Seals is one bidirectional rotary seal which can bear both sides of pressure and alternating pressure. high pressure hydraulic seals is made with slip ring and o-ring/square ring.
It adopts a toothed section, which is easier to install. The two grooves are the same and interchangeable. They are used to seal the rod, shaft, pin and rotary joint with high-speed rotation or swing movement. They have the characteristics of high pressure resistance, wear resistance, high temperature resistance, resistance to most chemicals.
 |
Advantages: 1. Simple groove, small dimensions. |
| Working Conditions | ||||
| Working pressure | Working temperature | Working speed | Working medium | Material |
| ≤30Mpa |
-30 to +110℃；
-25 to +220℃（Depend on o ring and square ring material)
|
≤1m/s | Hydraulic oil, gas, water etc. |
Oring(NBR/FKM,A75±5
Slip ring: P03/Y04
|
Size:
10-700mm
 |
||||||
| Section | O ring cross section |
Recommended standard shaft diameter range
Φd
|
Width of groove
L
|
Depth of groove
G
|
S max Radial clearance | |
| 24MPa | 40MPa | |||||
| A | 1.78 | 8~38 | 2.2 | 2.45 | 0.1 | 0.1 |
| B | 2.62 | 38~80 | 3.2 | 3.75 | 0.15 | 0.15 |
| C | 3.53 | 80~135 | 4.2 | 5.5 | 0.2 | 0.2 |
| D | 5.33 | 135~320 | 6.3 | 7.75 | 0.3 | 0.25 |
| E | 6.99 | 320~700 | 8.1 | 10.5 | 0.3 | 0.25 |
| F | 8.4 | 700~1000 | 9.5 | 14 | 0.3 | 0.3 |
| G | Non-standard items(please specify groove dimensions when ordering) | |||||
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Categories
Rotary shaft seals with PTFE ring have been specially developed for use in harsh conditions. They are used when shaft seals with classic elastomer lips reach their performance limits.
High pressure Rotary Seals is one bidirectional rotary seal which can bear both sides of pressure and alternating pressure.
PDR rotary shaft seal extends the boundaries of elastomeric radial shaft seals, utilizing advanced materials and design techniques to provide optimal sealing performance for each application. The result is a superior sealing solution that retains a compact sealed casing.
S-Seal is designed for extreme oil and gas applications. It is a technologically advanced replacement for traditional three-piece T-Seals or O-Rings with back-ups.
PDR rotary shaft seal extends the boundaries of elastomeric radial shaft seals, utilizing advanced materials and design techniques to provide optimal sealing performance for each application. The result is a superior sealing solution that retains a compact sealed casing.
The FDR seal is made of a helical wound spring and a polymer jacket, which is mainly used as a Flange external face seal.
JST FHP series is made of a helical wound spring and a polymer jacket, which is mainly used for piston.
The ID S seal is used for wellheads, downhole tools and surface pressure control equipment as a critial part.
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