Bolts
Secure the gauge adapter by using appropriate bolts. *)
Flange type
Number of bolts
Diameter x minimum length
NW50, ND6
4
M12 x 50
NW50, ND40
4
M16 x 60
2", 150 lbs
4
5
/
8
" x 3" (M16 x 80)
2", 300 lbs
8
5
/
8
" x 3" (M16 x 80)
6", 150 lbs
8
3
/
4
" x 3
1
/
4
" (M20 x 80)
6", 300 lbs
12
3
/
4
" x 4" (M20 x 100)
*) Bolt dimensions (acc. to DIN 2527, ANSI B16.5) are given in the table.
Mounting a pressure gauge set
1 Connect T-piece horizontally to drum house.
2 Check whether manometer is suitable for the maximum pressure in the tank.
3 Mount manometer and vent valve (figure 3).
4 Close vent valve.
5 Gently open valve between tank and drum compartment and check for leakage on all
connections.
Figure 3 Mounting a pressure gauge set on a 854 Servo gauge
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