WT series

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Pneumatic Actuated Butterfly Damper
 WT series

 

TADWT PHOTO It’s designed for a wide range of temperature.
Valve body and disc made by precision processing ensure reduced leakage from valve seat.
Connection J5K flanged, Full bore Wafer type
Material Stainless
Valve DN 40 to 400A
Maximum Pressure
kPa		 20 (2000mmAq)
Fluids Gas
Production Data
 		  

 STANDARD ORDER

 
4Body  

 T SCS13A

 
 Disc SUS420J2/SUS420J1(Seat:None)
SUS410S(SUS316+seal-ring)
6Seat  

 0 —

 

  S SUS316+ seal-ring
 Stem Seal  G Expansion graphite
Valve Type
 
Actuator
 
*H
 
L
 		 W
Cv
 
Valve
DN 

 2
Sizing
code
TAD-
 
TAO-
TAC- 
TAD
 
TAO
TAC 

 TAD TAO
TAC
40A 0 050 050 255 255 40 170 305 85
50A 0 050 050 260 260 40 170 305 145
65A 0 050 050 272 272 40 170 305 290
80A
 		 0
050
 
050
 
304
 
304
 
50
 		 170 305
450
 
100A
 		 0
050
 
050
 
315
 
315
 
50
 		 170 305
780
 
125A
 		 0
050
 
050
 
333
 
333
 
50
 		 170 305
1200
 
150A
 		 0
050
 
050
 
347
 
347
 
50
 		 170 305
1800
 
2 063 063 362 362 204 367
200A
 		 0
050
 
050
 
370
 
370
 
50
 		 170 305
3200
 
2 063 063 385 385 204 367
250A 0 063 063 407 407 50 204 367 5100
2 080 080 472 472 240 435
300A 0 063 063 433 438 55 204 367 7200
2 080 080 498 498 240 435
350A 0 080 080 527 527 70 240 435 8900
2 100 100 580 580 294 530
400A 0 080 080 551 551 70 240 435 11000
2 100 100 604 604 294 530
NOTE:
High ambient temperature more than 250°C or less than -20°C:+72mm is added to dimension H when heat isolation spacer (option:XT) is needed for high temp.
Pressure / Temperature Rating
WT TEMP
Inherent flow characteristic
WT FLOW
Outside Drawing
 WT GAIKEI
Leakage
Standard type:less than 1%
(40/50A:less than 2%)
With seal-ring type :less than 0.1%
(40A:less than 1% , 50A:less than 0.5%, 65A:less than 0.2%)

Product Code
WT CODE
Actuator
 
Control action
 
Actuator
 		 Option
Double-acting
type 
TAD
 		 LB: LS box for open/close signal detection
(two-point type)
Single-acting
type 
Reverse
operation 
TAO
 		 LC:Electric-pneumatic integrated positioner Limit SW
Regular
operation 
TAC
 		 BS:Speed control with by-pass valve PPS
Double-acting)
EP:Electro-pneumatic positioner