Emerson LR128 Bedienerhandbuch PDF herunterladen (Seite 21)

Type LR128

CRITERIA

17E68 NITRILE (NBR)

(STANDARD)

17E97 NITRILE (NBR) 17E88 FLUOROCARBON (FKM)

Liquid Temperature -20 to 150°F / -29 to 66°C 0 to 150°F / -18 to 66°C 0 to 250°F / -18 to 121°C

(1)

General Applications

Best for low pressure differential

and cold temperature

service applications.

Best for abrasive or

erosive service applications.

Best for high

temperature applications.

Heavy Particle Erosion Fair Excellent Good

1. Fluorocarbon (FKM) is limited to 200°F / 93°C in hot water.

Table 11. Diaphragm Material Selection Information

Table 10. Diaphragm Imprint Codes

THICKNESS MATERIAL

DIAPHRAGM MATERIAL

Imprint Ink Code Imprint Ink Code

2 130

2 17E68 17E68 – Nitrile (NBR) (Low differential)

4 17E88 17E88 – Fluorocarbon (FKM) (High temperature)

5 17E97 17E97 – Nitrile (NBR) (High erosion resistance)

Figure 17. Diaphragm Markings

LOCATE INK CODE

BETWEEN RADII

MATERIAL

INK CODE

MANUFACTURER

CODE

THICKNESS INK CODE (USE

ONE LOCATION ONLY)

DOME IDENTIFICATION

ELASTOMER/FABRIC

MATERIAL CODE

THICKNESS

CODE

YEAR OF MANUFACTURE

RADIAL LOCATION

TO LOCATE

IMPRINT CODE

1 2 ... 16 17 18 19 20 21 22 23 24 25 26 27 28

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