Welcome: Siyoseal (shenzhen) Technology Co.,Ltd
Two-part piston seal set for hydraulics used in segment cylinder of continuous slab caster, marine, injection molding machine, and heavy-duty manipulator. Thanks to the special design, type PM is characterized as high-pressure stability, very good extrusion resistance, low friction, and no stick-slip effect.
Application range
Pressure: ≤400BAR
Temperature: -60~+200℃
Speed: ≤5m/s
Material: Bronze filled PTFE
*Other materials are available for specified conditions
Guidelines for the Selection of Special Sizes
| Cylinder borer | Groove bottom | Groove width | Seal height | Radius | Gland code |
| φDa | φDi | L | H | R | |
| 80~149 | Di-20.0 | 10.0 | 9.4 | 0.4 | A |
| 150~240 | Di-25.0 | 12.5 | 11.7 | 0.4 | B |
| 241~500 | Di-30.0 | 15.0 | 14 | 0.8 | C |
| 501~769 | Di-35.0 | 17.5 | 16.4 | 1.2 | D |
| 700+ | Di-40.0 | 20.0 | 18.7 | 1.2 | E |
How to order
Note: For bore diameter≧1000.0mm, K should be added in prefix.
e.g. for seal 1200x1160x20mm should be denominated as PM-K1200-02T-1-F.
Mobile：+86-13715124957
Email: [email protected]
Whatsapp: +86-13715124957
