NOK Oil Seal
Oil Seal NOK for Reciprocal Movement
Feature
- Seal for low friction used under the condition of low pressure and high speed.
- It can also be used as a dust seal for a hydraulic cylinder.
- Rubber and metal are available for seal O.D. which will be selected according to the housing material.
Main applicable fluid
- General petroleum hydraulic fluid oil
- Water-glycol type hydraulic fluid oil
- Oil-water emulsion type hydraulic fluid oil
Material
- Lip material Nitrile rubber A795
- Metal Case material Cold rolled steel plate sheet SPCC
- Spring material Piano wires SWP
Cross Section
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| TB4 Oil seal | TC4 Oil seal |
| Note: The number is code for material (see Material section) |
Seal NOK for Operation Valve
Feature
- Special seal mainly uses for valve units of industrial equipment.
- Has the excellent sealing ability and low friction.
Main applicable fluid
- General petroleum hydraulic fluid oil
Material
- Lip material Nitrile rubber A216
- Metal Case material Cold rolled steel plate sheet SPCC
- Spring material Piano wires SWP
Cross Section
 SVY Oil Seal |
Note: The number is code for material (see Material section)
Power Steering NOK
Feature
- Special seal mainly uses for valve unit of automobile power steering.
- A backup ring of a resin material is used to minimize lip deformation under high pressure.
- Stainless steel is used for spring to maintain required interference and compression force of lip for long duration and high-speed operation.
Main applicable fluid
- General power steering fluid oil
Material
- Lip material Nitrile rubber A297
- Metal Case material Cold rolled steel plate sheet SPCC
- Spring material Piano wires SUS
- Backup ring Polymide resin 60NP
Cross Section
 SCJY Oil Seal |
Note: The number is code for material (see Material section)