Common Seal Profile Cross-Section Guide
Below are several common seal profiles we supply. These simplified cross-section diagrams help customers quickly identify the seal type and application position.
U-Cup Seals
U-shaped cup seals with elastomer body for piston rod sealing.
Hydraulic cylinders, piston rods, industrial equipment
PU, NBR, FKM
Rod Seals
Precision rod seals with dual-lip design for piston rod sealing.
Hydraulic cylinders, actuators, precision machinery
PU, NBR, PTFE
Piston Seals
Piston seals for hydraulic cylinders.
Excavators, loaders, heavy machinery, hydraulic systems
PTFE, NBR, POM
Rod Wipers
Metal-cased wiper seals for piston rod contamination exclusion.
Excavators, outdoor machinery, construction equipment
Metal case + NBR / PU
Wear Rings / Guide Rings
Precision wear rings for piston rod guidance and clearance control.
Hydraulic cylinders, high-pressure systems, precision machinery
PTFE, POM, Polyurethane
O-Rings
Standard O-rings for static and dynamic sealing applications.
Hydraulic systems, pneumatic systems, pumps, valves
NBR, FKM, EPDM, Silicone
Bore-Sealing Spring-Loaded Rotary Shaft Seals with Wiper Lip
Rotary shaft seals with bore sealing, spring loading, and wiper lip.
Heavy machinery, pumps, motors, extreme environments
Metal case + NBR / FKM
Spring-Loaded Rotary Shaft Seals with Wiper Lip
Rotary shaft seals with spring loading and wiper lip for shaft sealing.
Pumps, motors, gearboxes, outdoor equipment
NBR / FKM / PU
Spring-Loaded Rotary Shaft Seals
Spring-loaded rotary shaft seals for shaft sealing applications.
Pumps, motors, gearboxes, reducers, rotating shafts
NBR, FKM, PTFE
Need Help Identifying Your Seal?
If you are not sure which seal profile you need, please send us the seal photo, size, application position, equipment model, and working condition. We can help identify the suitable profile and material.