2.Standard Materials
Guide Ring: PA, POM, PTFE
Back-up ring: PA, PTFE
Seal Ring: PTFE
O-Ring: NBR or FKM
3.Application Range
DDKK Combined with a seal ring, an O-Ring, and two guide sleeves used for guiding and positioning. O-Ring provides pre-loaded force and compensates the abrasion to the seal ring. The seal ring and the bore produce a sealing effect by combining a dual surface. Double sealing for hydraulic cylinder pistons. Design and apply please referring to Hunger's GD1000K series standard.
