Control valves

Pneumatic actuators

TN227NDA

with 6 bar air supply

Valve maximum differential pressure

DN125

DN150

DN200

DN300 full

DN250

DN300 reduced

Flow

Unbalanced

Metal seated (T, W, S) Class IV

Metal seated (T, W, S) Class V

Under Soft seated (G, K) Class VI

Soft seated (P) Class VI

All seated (T, W, S, P, K, G) Class IV

41 41

27 26 14

14 4 4

40 39

25

25 13

13

3 3

47 47

32

31 18

18 6 6

47 47

32 31 18

17 6 6

Balanced 321 317

267 264 148

146 75 74

Unbalanced

Over

All seated (T, W, S, P, K, G) Class IV, V, VI

Metal seated (T, W, S) Class IV

Soft seated (G, K) Class IV

Soft seated (P) Class IV

47 46

31 31 17

17 6 6

Balanced

278 274

223

220 116

114

48 47

320 316

266

263 147

145

74 73

319 315

265

262 146

145

73 73

TN227NDA

with 7 bar air supply

Valve maximum differential pressure

DN125

DN150

DN200

DN300 full

DN250

DN300 reduced

Flow

Unbalanced

Metal seated (T, W, S) Class IV

Metal seated (T, W, S) Class V

Under Soft seated (G, K) Class VI

Soft seated (P) Class VI

All seated (T, W, S, P, K, G) Class IV

49 49

32 32

17

17

5

5

48 47

31

30

16

16

4

4

56 55

37 37

21

21

7 7

55 55

37

37

21

20

7

7

Balanced 376 372

313 310

173

171

88 87

Unbalanced

Over

All seated (T, W, S, P, K, G) Class IV, V, VI

Metal seated (T, W, S) Class IV

Soft seated (G, K) Class IV

Soft seated (P) Class IV

54 54

37 36

20

20

7

7

Balanced

332 329

269

366

141

139

61

60

375 371

312 308

172

171

87 86

373 370

311

307

172

170

86

85

TN227NDA

with 8 bar air supply

Valve maximum differential pressure

DN125

DN150

DN200

DN300 full

DN250

DN300 reduced

Flow

Unbalanced

Metal seated (T, W, S) Class IV

Metal seated (T, W, S) Class V

Under Soft seated (G, K) Class VI

Soft seated (P) Class VI

All seated (T, W, S, P, K, G) Class IV

57 57

37 37

20

20 6 6

56 55

36

36

19

19

5 5

64 63

43

42

24

24

8 8

64 63

42 42

24

24 8 8

Balanced 430 426

358 355

198

197 100 99

Unbalanced

Over

All seated (T, W, S, P, K, G) Class IV, V, VI

Metal seated (T, W, S) Class IV

Soft seated (G, K) Class IV

Soft seated (P) Class IV

62 62

42 42

23

23 8 8

Balanced

387 383

314

311

166

164

73 72

429 425

357

354

198

196 100 99

428 424

356

353

197

195

99 98

TN2000 Series Pneumatic Piston Actuators

TI-P327-01 CH Issue 4

for DN125 to DN300 SPIRA-TROL Series Control Valves

Page 5 of 7

4.2.32

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