Shaft Step Ring (GSJ)

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Shaft Step Ring (GSJ)

The Shaft Step Ring(GSJ) is composed of a PTFE ring and an O-ring, which provides sealing and pre-tightening force. The friction coefficient of PTFE is low, and it is suitable for high and low speed reciprocating motion and high-pressure system. Double step ring can achieve zero leakage, Split grooves is recommended to use when shaft diameter is less than Φ30.

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Core Feature

● Excellent Sealing Performance

The block can effectively absorb and buffer the vibration generated during the operation of the motor, preventing its transmission to the connecting equipment, foundation or installation structure.

● Strong Wear Resistance

The materials used in GSJ can effectively reduce wear and ensure service life in a high-friction environment.

● Chemical Corrosion Resistance

PTFE, NBR and FKM offer excellent chemical resistance and anti-corrosion properties, making GSJ highly suitable for harsh industries such as chemical and petroleum.

● Easy Installation

The step ring is designed for easy installation without requiring special tools or complicated procedures.

Material composition

● Stepped Ring: Polytetrafluoroethylene(PTFE)

● O-ring: Nitrile Rubber (NBR) or Fluorocarbon Rubber (FKM)

● Pressure Resistance: 0–40 MPa

● Reciprocating Speed: ≤5 m/s

● Operating Temperature: NBR: -30°C to +120°C

FKM: -20°C to +200°C

● Working Medium: Hydraulic oil, gas, water

Design Standards

The series complies with GB/T 15242.1-94 and GB/T 15242.3-94 standards.

Hydraulic equipment

Rotary shaft seals for hydraulic pumps and hydraulic motors to prevent hydraulic oil leakage and improve system pressure stability.

Hydraulic equipment

Automobile industry

Rotary shaft seals for key parts such as engine, transmission and hub provide dust, water and high temperature protection.

Automobile industry

Industrial Machinery

In machine tools, mixers and conveyors, it is used to protect bearings and rotating components against oil leakage or foreign intrusion.

Industrial Machinery

The shaft step ring(GSJ) is identified using an order number.

Example: GSJ-1000-PTFE+NBR

● Order Part Number：GSJ

● Rod Diameter *10：1000

● Material：PTFE+NBR

(Special specifications can be customized according to customer requirements.)

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Product Description

Technical Specifications

Application Scenario

Ordering Information

OUR ADVANTAGES

Why Choose Mingyu

Mingyu Sealing Technology (Taicang) Co., Ltd has been established in 1995, the executive member of Chinese hydraulic pneumatic sealing industrial association, the well-known private technology enterprise in Jiangsu. The company is specialized in the production, development and marketing for rubber or plastic hydraulic sealing.

Sealing Excellence Since 1995

Nearly 30 Years of Experience in Supplying Sealing Parts to Global Leading Equipment Manufacturers.

Superior Supply Chain Management

The IATF 16949-2009 and ISO 9001-2008 has been qualified, enabling us to meet the requirements of customers and their supply chain requirements.

Offer Customization Service for Non-standard Parts

Professional technology will carry out preliminary planning according to the customer's working conditions.

Shaft Step Ring (GSJ)

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