Hydraulic cylinder spare parts pu DHS dust seal wiper seal

The seal of the hydraulic cylinder is installed on the shaft of the hydraulic pump and the hydraulic motor to prevent the working medium from leaking along the shaft to the outside of the shell and the outside dust from invading the inside of the body in the opposite direction.

Wipers are installed in the sealing configurations of hydraulic cylinders to prevent contaminants such as dirt, dust and moisture from entering the cylinder as they retract back into the system.

Contamination can cause significant damage to the rod, cylinder wall, seals, and other components, and is one of the primary causes of premature seal and component failure in a fluid power system.

The wiper seal is the most undervalued seal type in the hydraulic cylinder in relation to its important function. Particular attention should be drawn to its selection, the surrounding environment and service conditions must also be taken into special consideration.

Scraper Side:Atmospheric pressure

Working comdition of PU(polyurethane)DHS dust wiper seals

Seal Side: Pressures up to 2 MPa (20 bar) a relief bore must be provided with higher pressures

Speed: Up to 1 m/s

Temperature: -35 °C to +100 °C

Media: Mineral oils and greases

groove Type: Closed

11.2*19.2*6 53*61*6.5 115*125*8

12*20*6 55*63*6.5 118*128*8

12.5*20.5*6 56*64*6.5 120*130*10

14*22*6 58*66*6.5 125*138*9.5

16*24*6 60*68*6.5 130*143*9.5

18*26*6 63*71*6.5 136*149*9.5

20*28*6 65*73*6.5 140*153*9.5

22*30*6 67*75*6.5 145*158*9.5

22.4*30.4*6 70*80*8 150*163*9.5

23.5*31.5*6 71*81*8 160*173*9.5

25*33*6 75*85*8 165*178*9.5

28*36*6 80*90*8 180*193*9.5

30*38*6.5 85*95*8 190*204*9.5

31.5*39.5*6.5 90*100*8 200*213*9.5

32*40*6.5 95*105*8 204*218*9.5

35*43*6.5 98*108*8 212*226*9.5

35.5*43.5*6.5 100*110*8 210*224*9.5

38*46*6.5 105*115*8 220*234*9.5

40*48*6.5 110*120*8 230*244*9.5

45*53*6.5 112*122*8 250*264*9.5

50*58*6.5