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PPR Plastic Piston Rings
Product Features
● Wear resistance piston ring specially developed for the pneaumatic pump industrial application. It is easier to be installed comparing with the PTFE piston ring. Standard materials available are EPB13, EPB19 and so on.
● Good wear resistance;
● Easy assembly;
● Maintenance free and self-lubricated;
● Corrosion resistance and light weight.

Structure Design

CSB-PPR plastic piston ring is designed with slipped gap that ensures easy assembly of the bearings and long term stable operation.

Material Design

CSB-PPR plastic piston ring is made from CSB-EPB13 material which is a good wear resistance polymer ensures outstanding wear resistance feature of the bearings under high speed operation condition. At the same time, an optional high temperature
material CSB-EPB5 is available for the operation temperature up to 250℃.

Assembly Design

CSB-PPR slipped gap design allows an easy assembly, simply open the bearing by hand from the gap and position the bearings to the required location until it is pushed into the mounting groove.

Standard Size Sheet

Order P/N
d1 mm
d2 mm
b1 mm
b2 ±0.5mm
T °
PPR13-1012-054
10
12
5.4
2.5
20
PPR13-1214-054
12
14
5.4
2.5
20
PPR13-1416-054
14
16
5.4
2.5
20
PPR13-1618-054
16
18
5.4
2.5
20
PPR13-1722-054
17
22
5.4
1
25
PPR13-2023-054
20
23
5.4
2.5
20
PPR13-2528-054
25
28
5.4
2.5
20
PPR13-2832-054
28
32
5.4
1
25
PPR13-3034-054
30
34
5.4
2.5
20
PPR13-3539-054
35
39
5.4
2.5
20
PPR13-3540-054
35
40
5.4
1
25
PPR13-4044-054
40
44
5.4
2.5
20
PPR13-4550-054
45
50
5.4
2.5
20
PPR13-5055-054
50
55
5.4
2.5
20
PPR13-6065-054
60
65
5.4
2.5
20
PPR13-7075-054
70
75
5.4
2.5
20

Installation recommendations for pistons

Installation recommendations for housings

Size mm
dG h-Tolerance
dH h-Tolerance
bG
Size mm
dG h-Tolerance
dH h-Tolerance
bG
Nominal size
dG=d1
dH=d2
bG=b1+0.2
Nominal size
dS=d1
dG=d2
bG=b1+0.2

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Bearing Design System

“CSB”, “CSB-EPB”, “CSB-LIN”, “CSB-FWB”, “CSB-LMS”, “CSB-BAL”, “CSB-RPM”, “CSB-PEC”, “CSB-PCC”,“CSB-PCB”, “CSB-PYB”, “CSB-PEW”,“CSB-FLB”,“CSB-PPR”,“CSB-CPB”,“CSB-SRB” , “CSB-SFP”and “CSB-PRB” are legally protected trademarks in China and in case also in foreign countries.