Ningbo Yierka Seals Co ., Ltd is an enterprise specialized in producing and researching hydraulic seals . It has the history of manufacturing TPU hydraulic seals more than 20 years . Since 1991 , the company took technical corporation with Sciences Academy of China , Hefei Branch and has succeeded in turning our series of hydraulic seals to be used in mine , hydraulic system , plastic jetting machinery , engineering machinery and so on .
The company has abundant technology , senior research fellows advanced physical and chemical labs . It can produce according to the polyurethane , polytetrafluoro and rubber samples provided by customers both standard and anomaly . Our every property target of products are correspond to the quota of international , can holly replace the imported ones . Our products have been exported to countries and regions all over the world , like Europe and Southeast Asia . We can design and research all kind of seals and sundries out of standard according to customers' requirement .

The company specialized in producing seals of double-function , drill-using , spool-using , buffer ring , dustproof , wear-resistant ring . with a complete range of specifications , advanced equipment , perfect testing means , it has passed ISO9001:2000 quality system attestation . "To be Credible" is our purpose and "excellent quality and fine service" is why you choose us

Hydraulic seals

DAS seals

IDI seals

OSI seals

ISI Seals

UN, UHS seals

ODI seals

Gryd Ring

step seals

Piston/Hole seals

D1 Rod seals

Rod Seals

D2 Rod Seals

D3 Rod seals

Piston and Rod seals

Guidance accessory

Wiper seals

M1 wiper seals

M2 wiper seals

M3 wiper seals

JA wiper seeals

DH wiper Seals

Hydraulic seals Kits

Other seals

Pneumatic seals

PZ seals

E4 seals

Z8 seals

QY seals

Coupling Buffer

GR type coupling

MT Type coupling

H Type coupling

LT type Coupling

Other type coupling

oil seals

SC Oil seals

Double labium wrapped rubber seal

O-ring

Combination Seals

Rubber products

TPE products

Engineering Machine Seals

PU/TPU products

Polyurethane rubber late

All plastic auto Parts

Raw materials

SC Oil seals_oil seals

Product Description:

Radial lip seal design for shafts and spindles. Consisting of a rubber sleeve, metal stiffening ring and a spiral tensioning spring. Oil seals provide long lasting sealing efficiency. Available with or without external dust lip, they are self retained in an open groove to ISO 6194 and DIN 3760. Versions available without tensioning spring which can be used as a scraper and for helical movements.
Advantages:
seals are made according to ISO 6194.the oil seals can make the radial fluid static pressure
to be balance,with good traceability and seal capacity, even in large eccentricity, to prevent serious problems caused by the spring's falling-off. More than 100 different seal types with thousands of sizes available for your selection.
1)Best heat resistance of all rubber types
2) Best cold resistance of all rubber types
3) Excellent weather and ozone resistance
4)Resistant against aliphatic mineral oils and most grease types
Material:
1)Type and designations of materials
2)Nitrile rubber (NBR)
3)Acrylic rubber (ACM)
4)Silicone rubber (VMQ)
5)Fluorinated rubber (FKM)
6)Hydrogenated Nitrile rubber (HNBR)

SC Oil seals_oil seals