Installation Manual - Future Pipe Industries
Installation Manual - Future Pipe Industries
Installation Manual - Future Pipe Industries
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5.3. Dimensions of the rubber ring and the locking strip<br />
The commonly used rubber ring is made of NBR (Nitril Butadiene Rubber). Other types of rubber can be supplied<br />
depending on the medium and/or the temperature.<br />
The different types of rubber can be recognized by the following codes:<br />
S - styrene butadiene rubber SBR colour code red spot<br />
N - nitrile butadiene rubber NBR colour code yellow spot<br />
E - ethene propene terpolymer EPDM colour code blue spot<br />
F - fluor elastomer FKM<br />
H - hydrogenated nitrile butadiene rubber H-NBR<br />
Fig. 5.3.a.<br />
The dimensions d and D are shown on the O-ring as well as the year and month of production<br />
Table 5.d. O-rings dimensions<br />
d<br />
ID (mm) d (mm) D (mm)<br />
80 7 80<br />
100 7 109<br />
150 10 156<br />
200 10 207<br />
250 14 260<br />
300 14 311<br />
350 14 360<br />
400 17 409<br />
450 17 460<br />
500 22 508<br />
600 22 610<br />
700 26 690<br />
750 26 740<br />
800 26 790<br />
900 26 880<br />
1000 26 980<br />
1200 30 1120<br />
Wavistrong <strong>Installation</strong> <strong>Manual</strong><br />
21<br />
D