Bettis D 系列 氣動執行機構
Discontinued pneumatic rack and pinion valve actuator (replaced with the new RPE)
- Power Source
- Pneumatic
- Product Type
- Pneumatic Actuator
- Actuation
- Double-acting, spring-return
- Certifications
- SIL, ATEX, GOST (now CUTR), PED
- Control Type
- On/Off, ESD
- Valve Type
- Ball, butterfly, and plug valves, louvers and dampers, and other quarter-turn mechanisms
- Operating Temperature
- Standard -20°C to +80°C (-4°F to +175°F). Consult factory when temperature requirements exceed these limits.
- Torque/Thrust
- Spring-return 7,939 in-lbs (897 Nm), double-acting 14,874 in-lbs (1,676 Nm)
- Operating Pressure
- 3 to 8 bar (40 to 120 psig)
|
Actuator
|
Torque of double acting actuators (in In.lb)
|
|
|
Supply pressure (psi)
|
|
Type Size
|
|
35
|
40
|
45
|
50
|
55
|
60
|
70
|
75
|
80
|
90
|
100
|
120
|
|
|
DD12
|
|
43.9
|
51.4
|
58.9
|
66.4
|
73.9
|
81.4
|
88.9
|
104
|
111
|
119
|
134
|
149
|
179
|
|
DD25
|
|
81.4
|
95.3
|
109
|
123
|
137
|
151
|
165
|
193
|
206
|
220
|
248
|
276
|
332
|
|
DD40
|
|
153
|
179
|
205
|
231
|
257
|
283
|
309
|
361
|
387
|
413
|
466
|
518
|
622
|
|
DD65
|
|
233
|
272
|
312
|
352
|
392
|
431
|
471
|
551
|
590
|
630
|
709
|
789
|
948
|
|
DD100
|
|
344
|
402
|
461
|
520
|
578
|
637
|
696
|
813
|
872
|
930
|
1048
|
1165
|
1400
|
|
DD150
|
|
551
|
645
|
739
|
833
|
927
|
1021
|
1115
|
1303
|
1397
|
1491
|
1680
|
1868
|
2244
|
|
DD200
|
|
754
|
883
|
1011
|
1140
|
1269
|
1398
|
1527
|
1784
|
1913
|
2042
|
2299
|
2557
|
3072
|
|
DD350
|
|
1310
|
1534
|
1757
|
1981
|
2205
|
2428
|
2652
|
3100
|
3323
|
3547
|
3994
|
4442
|
5337
|
|
DD600
|
|
2226
|
2606
|
2986
|
3366
|
3747
|
4127
|
4507
|
5267
|
5647
|
6028
|
6788
|
7548
|
9069
|
|
DD950
|
|
3323
|
3890
|
4458
|
5025
|
5593
|
6160
|
6728
|
7862
|
8430
|
8997
|
10132
|
11267
|
13537
|
|
DD1600
|
|
5493
|
6431
|
7369
|
8307
|
9245
|
10183
|
11121
|
12998
|
13936
|
14874
|
16750
|
18626
|
22379
|
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