Control valves

Pneumatic actuators

TN227NDA

with 9 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

66 65 43 43 23

23 7 7

64

64 42 41 22

22

7 7

72

71 48 48 27

27 10 9

72 71 48 48 27

27 9 9

Balanced

485 481 404 401 224

222 113 112

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

70 70 47 47 26

26 9 9

Balanced

442

438 360 357 191

189

86 85

484

480 403 399 223

221

112 111

483

479 402 398 222

220

112 111

TN227NDA

with 10 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

74

73 48 48 26

26 8 8

72

72

47 47 25

25

8 8

80

79 53 53 30

30 11 11

80

79

53 53 30

30

11 11

Balanced 540

536 449 446 249

247 126 125

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

78

78 53 52 29

29 10 10

Balanced

496

493

405 402 216

215

99 98

539

535 448 445 248

246 125 124

538

534

447 444 247

245

124 123

4.2.33

TN

2

2

7

7

SE

P

T

F

E

P

T

F

E

G

r

a

p

h

i

t

e

G

r

a

p

h

i

t

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P

T

F

E

P

T

F

E

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r

a

p

h

i

t

e

G

r

a

p

h

i

t

e

P

T

F

E

P

T

F

E

G

r

a

p

h

i

t

e

G

r

a

p

h

i

t

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P

T

F

E

P

T

F

E

G

r

a

p

h

i

t

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G

r

a

p

h

i

t

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TN2000 series selection guide:

Type

TN

Series

2 =

2000 series

993 cm

2

70 mm

with spring

double-acting (no spring)

Single-acting, spring-extend

Single-acting, spring-retract

Double-acting, spring assisted (extend)

Double-acting, spring assisted (retract)

Double-acting, no spring

Handwheel (optional) not available for the NDA version

Actuator size

Valve travel

Spring rating

2 =

7 =

7 =

N =

SE =

SR =

Action

DE =

DR =

DA =

Manual override

H =

Selection example:

How to order

Example: 1 off Spirax Sarco TN2277SE pneumatic piston actuator.

TN2000 Series Pneumatic Piston Actuators

TI-P327-01 CH Issue 4

for DN125 to DN300 SPIRA-TROL Series Control Valves

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