Masoneilan 173 Series Pressure Regulator Instruction Manual | 3
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3. Installation and Assembly Instructions - 173 Series Pressure Regulator
3.1 Cross-section Drawing
Figures 1 through 5 below show the cross-sectional view of the
173 Series regulators along with part names and versions.
ATEX Construction Gr. II Cat. 2
Ref.
Part Name
1 Blindhead
*2 Gasket Set
3 Body
4 Guide
5 Diaphragm Case
6 Ball
7 Diaphragm Plate (Upper)
*8 Diaphragm
*9 Protector - optional
*10 O-Ring
11 Spring Case
12 Spring
13 Adjusting Screw
14 Lock Nut
15 Spring Button
16 Nut
17 Spring Guide
18 Screw
19 Nut
20 Diaphragm Plate - Lower
21 Screw
*22 Plug
*23 Ring
*24 Disc
*25 Seat
*26 Screw
*27 Gasket Plate
28 Cap
*Recommended spare parts.
Figure 1
Figure 5
Figure 3
Figure 4
*9 - (only on request)
Figure 2