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Foot-shaped slip ring combination seal JK2-ⅠA
basic information
1. Overview
Foot-shaped slip ring combination seal JK2-IA consists of a foot-shaped slip ring filled with polytetrafluoroethylene (PTFE) composite material and an O-shaped (GB/T3452.1-2005) rubber ring. It is used for sealing or static sealing of hydraulic and pneumatic reciprocating unidirectional piston rods (shafts). Generally, open grooves are used.
2. Working conditions
Working pressure: 0～150MPa
Operating temperature: -55～+250℃ (depending on O-ring material)
Reciprocating speed: ≤6m/s
Applicable medium: air, water, water-glycol, mineral oil, acid, alkali, mud, etc.
3. Schematic diagram of assembly structure
JK2—ⅠA groove size
|
Axis diameter d(f8) |
Groove bottom diameter D(H9) |
Groove width L+0.2 |
Section diameter of O-ring d2 |
Radial clearance S≤ |
Chamfer Z≥ |
| 8~17 | d+4.9 | 4.6 | 2.65 | 0.2 | 2 |
| 18~39 | d+6.5 | 6.0 | 3.55 | 0.2 | 3 |
| 40~108 | d+9.5 | 9.0 | 5.30 | 0.3 | 5 |
| 109~670 | d+12.5 | 12.0 | 7.00 | 0.4 | 7 |
On a
Foot-shaped slip ring combination seal JK2—Ⅰ
The next article
Foot-shaped slip ring combination seal JK2-ⅠB