Emerson BETTIS 23 SH - Page 33

Installation, Operation and Maintenance Manual
DOC.IOM.RG.US Rev. 11 November 2021
29
Section 15: Drawings and Schematics
Drawings and Schematics
Figure 10 Model A324-DM-275_E switching relay (3-way, 2-position, N.C.)
assembly drawing
Table 14. Model A324-DM-275_E switching relay (3-way, 2-position, N.C.) Parts List
Item Description Material Qty. Note
1 Diaphragm Assembly Fairprene/TFE/CS 1 (Y)
10 Upper Body AL 6061-T6 1
20 Plunger PVC 1 (Y)
30 Diaphragm Cap AL 6061-T6 1
40 "M" Lever AL 6061-T6 1
50 Cylinder Plate AL 6061-T6 1
70 Poppet, Lower Nylon 1 (Y)
80 Poppet, Upper Nylon 1 (Y)
90 Spring SS 302 1
130 O-ring; Body Nitrile 2 (Y)
140 O-ring; Poppet Nitrile 2 (Y)
160 Capscrew, Operator SS 304 1
170 Nut, Operator SS 304 1
180 Capscrew, Cap SS 304 6
190 Capscrew, Body SS 304 4
191 High-Collar Lockwasher, Body SS 18-8 4
200 Nut, Lever SS 304 1
210 Roundheaded Push Bolt SS 304 1
220 Poppet Spacer SS 304 1
Notes:
- (Y) Recommended spare parts
- fasteners and maintenance tools are ANSI/INCH size
- Recommended maximum 20 psig back pressure at exhaust port
Note:
Dimensions are in inches [mm]