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HR021

Rod Seal

HR021 buffer ring is made up of high performance 93 shore A PU and POM support ring. It is used as a primary sealing element in hydraulic cylinders. Therefore, it should be absolutely used in combination with another sealing element. It has got a structure providing solutions to many problems in hydraulic cylinders such as shock pressure, back pressure etc.

Technical Data:

Pressure: 400 Bar
Temperature: -35 to +100
Speed: 0.5m/s
Media: Hydraulic oils (mineral oil-based)

Material:

Material: PU Back-up ring: POM
Hardness: 93 2 Shore A
Color: Light yellow Back-up ring: Black

Advantages:

Unusually high wear resistance
Insensibility yagainst shock loads and pressure peaks
Low compression set
Increased sealing performance at zero pressure
Easy installation

Sr. No Item Description ID (mm) OD (mm) H (mm) ID x OD x H (mm)
1 HR021 40 55.6 6 40x55.6x6
2 HR021 45 60.5 6 45x60.5x6
3 HR021 50 65.5 6 50x65.5x6
4 HR021 55 70.5 6 55x70.5x6
5 HR021 60 75.5 6 60x75.5x6
6 HR021 63 78.5 6 63x78.5x6
7 HR021 65 80.5 6 65x80.5x6
8 HR021 70 85.5 6 70x85.5x6
9 HR021 75 90.5 6 75x90.5x6
10 HR021 80 95.5 6 80x95.5x6
11 HR021 85 100.5 6 85x100.5x6
12 HR021 90 105.5 6 90x105.5x6
13 HR021 95 110.5 6 95x110.5x6
14 HR021 100 115.5 6 100x115.5x6
15 HR021 105 120.5 6 105x120.5x6
16 HR021 110 125.5 6 110x125.5x6
17 HR021 115 130.5 6 115x130.5x6
18 HR021 120 135.5 6 120x135.5x6
19 HR021 125 140.5 6 125x140.5x6
20 HR021 130 145.5 6 130x145.5x6
21 HR021 135 150.5 6 135x150.5x6
22 HR021 140 155.5 6 140x155.5x6
23 HR021 145 160.5 6 145x160.5x6
24 HR021 150 165.5 6 150x165.5x6
25 HR021 155 170.5 6 155x170.5x6