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Air Cylinder Seal

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Air Cylinder Seal
Details
Air Cylinder Seal is a dedicated pneumatic sealing part that keeps air tight inside cylinders, cuts air loss and guarantees stable reciprocating motion for automated equipment.
Category
Pneumatic Seal
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Description

DEDE Seal Co., Ltd. is one of the most reliable manufacturers and suppliers of air cylinder seal in China. If you're going to buy bulk air cylinder seal made in China, welcome to get pricelist from our factory. All customized seals are with high quality and competitive price.

 

Air Cylinder Seal is specially developed for pneumatic cylinder inner sealing. It forms an airtight barrier inside the cylinder to realize efficient pressure transfer and smooth reciprocating operation. High-quality sealing effectively lowers air leakage, boosts actuator working efficiency and saves compressed air consumption. DEDE cylinder seals adopt premium NBR raw material, featuring stable sealing effect and outstanding abrasion resistance for all kinds of industrial automation equipment.

 

Product Parameters

 

 

Parameter Item

Core Technical Data

Working Mode

Pneumatic reciprocating linear motion, oil-free lubrication

Material

NBR / FKM

Temperature Range

-30℃～110℃

Max Working Pressure

≤1.0MPa

Reciprocating Speed

≤0.5m/s

Key Features

Low friction, anti-crawling, anti-compression deformation, self-lubricating

Size Range

Full standard sizes, custom non-standard sizes available

 

Product Features

 

 

 

Superior air sealing performance for all compressed air pipeline & cylinder systems

01

 

Ultra-low friction coefficient to support smooth back-and-forth movement of piston & rod

02

 

Outstanding wear resistance, greatly extending service cycle under repeated reciprocation

03

 

Stable sealing performance even under long-time continuous working conditions

04

 

Rich standard size inventory, custom dimension production supported

05

 

Typical Applications

 

 

Our air cylinder seals match all mainstream pneumatic automation equipment:

● Full sets of factory automated production lines

● Packaging machinery & packaging actuators

● Pneumatic cylinders and pneumatic executive components

● Textile industrial machinery

● Logistics material handling conveying equipment

product-1400-1000

 

FAQ

 

 

Q1: What is the difference between air cylinder seal and ordinary oil seal?

A: The core difference lies in working principle and motion mode. The seals are designed for linear reciprocating motion, focusing on low friction and air pressure retention. Oil seals are used for rotary circular motion to prevent oil leakage. The two are not interchangeable and applied in completely different working scenarios.

Q2: Why does the air cylinder crawl and move unsmoothly after replacing new cylinder seals?

A: The main reasons include mismatched seal friction coefficient, improper lubrication of the contact surface, over-tight seal interference, or residual burrs on the piston and cylinder wall. We can adjust the seal material formula and cross-section size to lower friction and eliminate jitter and crawling.

Q3: How to choose suitable air cylinder seal materials for high-frequency continuous operation?

A: High elastic PU is the first choice for high-frequency reciprocating cylinders thanks to outstanding wear resistance. If the working environment contains high-temperature oily gas, HNBR or FKM materials are recommended to slow down aging and prolong service life.

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