- Premium Elastomer Formulations: Seals are compound-molded utilizing certified raw materials including NBR, FKM/Viton, ACM, Silicone, and PTFE (Teflon), tailored for superior heat resistance and optimal chemical stability.
- Specialized NSF Approvals: Select sealing solutions within the WLK portfolio carry global NSF certifications, confirming their durability and structural compliance when submerged in mechanical water pumps and electric motors.
- Automated Injection Lines: Meticulous automated molding and clean-finishing cycles ensure flawless sealing lip geometries, maximizing operational longevity while eliminating human manufacturing errors.
- ISO 9001 – Quality Management Systems.
- ISO 14001 – Environmental Security Standards.
- ISO 45001 – Occupational Health and Safety Management.
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products
Products
Hydraulic piston and rod seal USH 27x35x5 NBR90 up to 210 bar WLK/TW
Product data
The hydraulic seal USH has a symmetrical design and is suitable for both piston and rod.

Ød=27 mm ; ØD=35 mm ; h=5 mm
Material: NBR90
Application range (the following limit values cannot appear at the same time):
Pressure: ≤ 210 bar
Speed: ≤ 0.5 m/s
Temperature: -30°C ~ +107°C
Media: mineral-based hydraulic oils and emulsions; not suitable for environmetally-friendly oils (bio oils)
Manufacturer:
HUO SHIN ENTERPRISE CO.
In stock 35 pcs.
Hydraulic piston and rod seal USH 25x33x5 NBR90 up to 210 bar WLK/TW
Product data
The hydraulic seal USH has a symmetrical design and is suitable for both piston and rod.

Ød=25 mm ; ØD=33 mm ; h=5 mm
Material: NBR90
Application range (the following limit values cannot appear at the same time):
Pressure: ≤ 210 bar
Speed: ≤ 0.5 m/s
Temperature: -30°C ~ +107°C
Media: mineral-based hydraulic oils and emulsions; not suitable for environmetally-friendly oils (bio oils)
Manufacturer:
HUO SHIN ENTERPRISE CO.
In stock 112 pcs.
Hydraulic piston and rod seal USH 12x18x5 NBR90 up to 210 bar WLK/TW
Product data
The hydraulic seal USH has a symmetrical design and is suitable for both piston and rod.

Ød=12 mm ; ØD=18 mm ; h=5 mm
Material: NBR90
Application range (the following limit values cannot appear at the same time):
Pressure: ≤ 210 bar
Speed: ≤ 0.5 m/s
Temperature: -30°C ~ +107°C
Media: mineral-based hydraulic oils and emulsions; not suitable for environmetally-friendly oils (bio oils)
Manufacturer:
HUO SHIN ENTERPRISE CO.
In stock 5 pcs.
Hydraulic piston and rod seal USH 10x19x3 NBR90 up to 210 bar WLK/TW
Product data
The hydraulic seal USH has a symmetrical design and is suitable for both piston and rod.

Ød=10 mm ; ØD=19 mm ; h=3 mm
Material: NBR90
Application range (the following limit values cannot appear at the same time):
Pressure: ≤ 210 bar
Speed: ≤ 0.5 m/s
Temperature: -30°C ~ +107°C
Media: mineral-based hydraulic oils and emulsions; not suitable for environmetally-friendly oils (bio oils)
Manufacturer:
HUO SHIN ENTERPRISE CO.
In stock 17 pcs.
In stock 14 pcs.
In stock 18 pcs.
In stock 20 pcs.
In stock 18 pcs.
In stock 18 pcs.
In stock 18 pcs.
