Cop Cushion Seals Buffer Seals

COP cushion seals/buffer seals are compact double-acting piston seals designed for pneumatic cylinders. Compared with traditional O-rings, it offers superior friction characteristics and a unique cross-sectional design that prevents twisting and damage. It is ideal for use in standard cylinders, small-bore cylinders, and thin-type pneumatic cylinders.

SKU: 1600 Category:

Technical Data

Pressure: ≤1 MPa

Speed: ≤1 m/s

Temperature: NBR -30~ +120℃   

                         FKM -20~+220

Media: Filtered or lubricated compressed air, inert or non-corrosive gases

Applications: Pneumatic cylinders

Features

  • Excellent dynamic and static sealing performance

  • Safe to use in contaminated media due to larger extrusion clearance
  • Allows relatively large extrusion gaps
  • Low friction, no stick-slip phenomenon
  • Strong adaptability to various working conditions due to the availability of multiple material options

Installation Profile

COP Seals Cross Section

COP Cushion Seals Specification Table (mm)

Part No. SIZE
D d H
COP-10 10 5.4 1.6
COP-12 12 7.4 1.6
COP-16 16 10 1.6
COP-16 16 11.4 1.6
COP-20 20 14 2.24
COP-22 22 14 3.5
COP-25 25 17 3
COP-30 30 22 3
COP-32 32 24 3
COP-40 40 32 3
COP-50 50 40 3.8
COP-63 63 53 3.8
COP-80 80 65 5.6
COP-85 85 70 5.6
COP-100 100 85 5.6
COP-115 115 100 5.6
COP-120 120 105 5.6
COP-125 125 110 5.6
COP-140 140 125 5.6
COP-155 155 140 5.6
COP-160 160 145 5.6

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