PDH Piston seal

Operating conditions

Pressure:    ≤ 500 bar

Temperature: -20°C...+110°C

Speed:        ≤ 1,5 m/s

Fluids:         Hydraulic fluids (mineral oil based), water emulsions


(1) Expander ring, NBR

(2) Sealing part, PTFE

(3) Back-up ring, Acetal

Available also as Type PDP where the sealing part is made of Polyurethane.


One-piece piston

Installation tools needed


- Low risk of gap damage in high pressures

- High wear resistance

- Low friction

Additional sizes available as factory delivery

Products, € VAT 0%