SPX APV DELTA SDU4, Operating Manual, Page: 14 / 39

9
8. Technical Data
Operating position: A / NC (normally closed)
Operating position: B / valve controlled
D ELTA SD U 4 m ax. product pressure in (bar)
valve norm ally closed w ithout N O T elem ent
or w ith com pressed air failure
actuator
74 m m
actuator
110 m m
actuator
165 m m
Valve position A B A B A B
D N Tube
25 1T
6,4 14,5 16,0
40 1,5T 3,6 6,8 9,6 14,4
50 2T 6,0 8,3 11,2 17,6
2,5T
4,7 11,6
65
3,5 5,4 9,3 13,3
3T 8,0
80
6,0 9,4
100 4T
4,4 5,3
Note: The max. product pressure in case of compressed air failure as indicated
in tab. 1 has to be considered for the design of the valves.
- Due to the seal technology, the max. product pressure is limited to 17,6 bar.
D ELTA SD U 4 m ax. product pressure in (bar)
valve norm ally closed and N O T elem ent
actuator
74 m m
actuator
110 m m
actuator
165 m m
Valve position A B A B A B
D N Tube
25 1T 16,0 14,5 16,8
40 1,5T
12,4 6,8 17,6 14,4
50 2T
17,6 8,3 17,6 17,6
2,5T 14,0 16,0
65
10,5 5,4 17,6 13,3
3T 17,6
80 17,2 9,4
100 4T
12,8 5,3
Table 1
Table 2
Double Seal Change-Over Valves
Delta SDU 4
Operating Manual Rev. 1
UK