High-Capacity Rotary Valves
Product Flier
PF51.3:Vee-Ball
May 2009
18
Actuator-Valve Selection — Shutoff Pressure Drops (Continued)
Table 16. Fisher 2052 Actuator
BEARING AND SEAL
MATERIAL
VALVE SIZE
PUSHDOWNTOOPEN OR -CLOSE
Actuator Size
AirtoDiaphragm
Pressure Drop,
Bar
DN NPS Bar Psig
PEEK Bearings with
TCM Plus Seal
25
40
50
80
100
1
1-1/2
2
3
4
1
1
1
2
2
2
4
4
2
4
30
60
60
30
60
51.7
51.7
51.7
51.7
51.7
150
200
250
300
6
8
10
12
3
3
3
3
2
4
4
4
30
60
60
60
51.7
51.7
40.2
37.6
PEEK Bearings with
HD (HeavyDuty)
Metal Seal
25
40
50
80
100
1
1-1/2
2
3
4
1
1
1
2
2
2
4
4
2
4
30
60
60
30
60
51.7
51.7
51.7
51.7
51.7
150
200
250
300
6
8
10
12
3
3
3
3
2
4
4
4
30
60
60
60
51.7
51.7
40.9
33.1
PEEK Bearings with
Flat Metal Seal
80
100
150
3
4
6
2
2
3
2
4
2
30
60
30
20.7
20.7
20.7
200
250
300
8
10
12
3
3
3
4
4
4
60
60
60
20.7
10.3
8.9
PEEK Bearings with
Flow Ring Construction
25
40
50
80
100
1
1-1/2
2
3
4
1
1
1
2
2
2
4
4
2
4
30
60
60
30
60
103.4
103.4
103.4
103.4
72.4
150
200
250
300
6
8
10
12
3
3
3
3
2
4
4
4
30
60
60
60
75.2
73.8
40.5
37.7
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