Emerson Fisher LR125 - Page 13

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Type LR125
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W4573
Figure 8. Pushing Groove Valve Up With Retainer
ELASTOMER/FABRIC
MATERIAL
CODE
THICKNESS
CODE
YEAR OF MANUFACTURE
RADIAL LOCATION
TO LOCATE
IMPRINT CODE
DOME IDENTIFICATION
THICKNESS INK CODE
(USE ONE LOCATION ONLY)
MANUFACTURER
CODE
MATERIAL
INK CODE
LOCATE INK CODE
BETWEEN RADII
Figure 9. Diaphragm Markings
Table 7. Diaphragm Imprint Codes
THICKNESS MATERIAL
DIAPHRAGM MATERIAL
Imprint Ink Code Imprint Ink Code
2 130
2 17E68 17E68 - Nitrile (NBR) (Low minimum di󰀨erential)
4 17E88 17E88 - Fluorocarbon (FKM) (High temperature capability)
5 17E97 17E97 - Nitrile (NBR) (High erosion resistance)