TW4 SERIES(φ170/φ200/φ280)Pneumatic rotary actuator

TW4 SERIES Pneumatic rotary actuator
Pneumatic rotary actuator suitable for automatic open/close operation of ball valves and butterfly valves.
・For operation of large-diameter valve
 Reliable actuator technologies backed with experiences for a long time enables firm and safe automatic operations of any large-diameter valves.

Type D(Double-Acting Type)

  • TW4 SERIES Pneumatic rotary actuator
Model Code TW4-170D-00 TW4-200D-00 TW4-280D-00
Bore size[mm] φ170 φ200 φ280
Operating fluid Compressed air
Operating pressure 0.3~0.7MPa
Proof pressure 1.05MPa
Ambient temperature ー5~60℃(In case of 5℃ or less, provide adequate measures against freezing.)
Rotating angle 90°
Angle adjustment range ±5° both ends
Mass 82kg 147kg 363kg
Actuator displacement 6.5L 14L 35L
Air consumption 2 × A ×  P + 0.10130.1013  × n

A: Actuator displacement[L]
P: Operating Pressure[MPa]
n: Number of cycle[1cycle = 1reciprocation]

■Torque Characteristic
  • ■Torque Characteristic

Unit: N・m

Model Code Operating pressure
0.3 MPa 0.4 MPa 0.5 MPa 0.6 MPa 0.7 MPa
Break/end Run Break/end Run Break/end Run Break/end Run Break/end Run
TW4-170D-00 1230 715 1685 980 2141 1245 2596 1510 3052 1774
TW4-200D-00 2770 1611 3796 2207 4822 2804 5848 3400 6874 3997
TW4-280D-00 6648 3865 9111 5297 11573 6729 14036 8160 16498 9592
●Refer to catalog for details.

Type S(Single-Acting Type)

  • TW4 SERIES Pneumatic rotary actuator Type S
    Type S
    (Clockwise rotation
    by spring)
  • TW4 SERIES Pneumatic rotary actuator Type A
    Type A
    (Counter clockwise rotation
    by spring)
Model Code TW4-170S(A)-00 TW4-200S(A)-00 TW4-280S(A)-00
Bore size[mm] φ170 φ200 φ280
Operating fluid Compressed air
Operating pressure 0.4~0.7MPa
Proof pressure 1.05MPa
Ambient temperature ー5~60℃(In case of 5℃ or less, provide adequate measures against freezing.)
Rotating angle 90°
Angle adjustment range ±5° both ends
Mass 107kg 193kg 478kg
Actuator displacement 6.5L 14L 35L
Air consumption 2 × A ×  P + 0.10130.1013  × n

A: Actuator displacement[L]
P: Operating Pressure[MPa]
n: Number of cycle[1cycle = 1reciprocation]

■Torque Characteristic
  • ■Torque Characteristic
*A model with right and left backward operation can be manufactured.
*A model with manual handle can be manufactured.

Unit: N・m

Model Code Operating pressure
0.4 MPa 0.5 MPa 0.6 MPa 0.7 MPa Spring operation
Break Run End Break Run End Break Run End Break Run End Break Run End
TW4-170S(A)-00 1095 483 638 1551 749 1093 2006 1016 1549 2462 1281 2004 1093 482 636
TW4-200S(A)-00 2587 1073 1330 3613 1680 2356 4639 2280 3382 5665 2880 4408 2569 1063 1312
TW4-280S(A)-00 5965 2612 3426 8427 4054 5889 10890 5494 8351 13352 6928 10813 5931 2592 3392
●Refer to catalog for details.

Type R(Thrust increased Single-Acting Type)

  • TW4 SERIES Pneumatic rotary actuator Type R
    Type R
    (Clockwise rotation
    by spring)
  • TW4 SERIES Pneumatic rotary actuator Type L
    Type L
    (Counter clockwise rotation
    by spring)
Model Code TW4-170R(L)-00 TW4-200R(L)-00 TW4-280R(L)-00
Bore size[mm] φ170 φ200 φ280
Operating fluid Compressed air
Operating pressure 0.4~0.7MPa
Proof pressure 1.05MPa
Ambient temperature ー5~60℃(In case of 5℃ or less, provide adequate measures against freezing.)
Rotating angle 90°
Angle adjustment range ±5° both ends
Mass 210kg 370kg 790kg
Actuator displacement 14L 30L 53L
Air consumption 2 × A ×  P + 0.10130.1013  × n

A: Actuator displacement[L]
P: Operating Pressure[MPa]
n: Number of cycle[1cycle = 1reciprocation]

■Torque Characteristic
  • ■Torque Characteristic
*A model with right and left backward operation can be manufactured.
*A model with manual handle can be manufactured.

Unit: N・m

Model Code Operating pressure
0.4 MPa 0.5 MPa 0.6 MPa 0.7 MPa Spring operation
Break Run End Break Run End Break Run End Break Run End Break Run End
TW4-170R(L)-00 2181 1017 1429 3131 1572 2380 4082 2126 3331 5033 2676 4281 2184 1018 1432
TW4-200R(L)-00 4822 2274 3237 6940 3513 5356 9059 4743 7474 11177 5969 9592 4812 2268 3227
TW4-280R(L)-00 8426 4086 5981 12211 6297 9766 15996 8487 13551 19781 10678 17336 8403 4072 5958
●Refer to catalog for details.