Pneumatic Actuated Butterfly Valve WT series

Pneumatic Actuated Butterfly Damper

WT series

		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

Body	SCS13A
Disc	SUS420J2/SUS420J1(Seat:None) SUS410S(SUS316+seal-ring)
Seat	--			SUS316+ seal-ring
Stem Seal	Expansion graphite

Valve Type		Actuator		*H		L	W		Cv
Valve DN	Sizing code	TAD-	TAO- TAC-	TAD	TAO TAC	L	TAD	TAO TAC	Cv
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
150A	2	063	063	362	362	50	204	367	1800
200A	0	050	050	370	370	50	170	305	3200
200A	2	063	063	385	385	50	204	367	3200
250A	0	063	063	407	407	50	204	367	5100
250A	2	080	080	472	472	50	240	435	5100
300A	0	063	063	433	438	55	204	367	7200
300A	2	080	080	498	498	55	240	435	7200
350A	0	080	080	527	527	70	240	435	8900
350A	2	100	100	580	580	70	294	530	8900
400A	0	080	080	551	551	70	240	435	11000
400A	2	100	100	604	604	70	294	530	11000

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

Inherent flow characteristic

Outside Drawing


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