HYGIENIC BUTTERFLY VALVE
Stainless Steel T304 & T316L
Fully machined from high quality forgings.
Silicone, neoprene, EPDM and viton seals available.
Flow regulated by 4 position handle.
Recessed cap gives extended life and easy maintenance.
Polish Disc
Sizes 1" up to 4"
Connections: butt weld (plain), Clamp, IDF, RJT, DIN, SMS, and others


Size Tube O.D. A B C OD ID
1" 2 4.2 6.7 1.0 0.870
1.5" 2 4.2 6.7 1.5 1.370
2.0" 2 4.2 6.7 2.0 1.870
2.5" 2 4.6 6.7 2.5 2.870
3" 2 5.0 6.7 3.0 2.870
4" 2-5/16 6.5 11.0 4.0 3.834

TECHNICAL DATA
ITEM PART NAME MATERIAL QTY
1 SCREW 304 1
2 SPRING 304 1
3 HANDLE COVER PVC 1
4 4-POS. HANDLE 304 1
5 CAP 304 1
6 BODY HALF 304 or 316L 2
7 DISC 304 or 316L 1
8 BOLT 304 4
9 SEAT As specified 1
10 HEX NUT 304 4

PRESSURE RATING FOR BUTTERFLY VALVES
Pressure Rating (psi) at 68oF
Size Tube O. D.
1 1-1/2 2 2-1/2 3 4
140 140 140 110 110 85

AIR REQUIREMENTS FOR
BUTTERFLY VALVE ACTUATORS
Size Tube O.D. Air Pressure (psig) Air Consumption at 90 psig (cu in)
1 60-90 20
1-1/2 60-90 20
2 60-90 20
2-1/2 60-90 20
3 60-90 20
4 60-90 40
 MINIMUM TORQUE
REQUIRED TO ACTIVATE
BUTTERFLY VALVES
Size Tube O.D. Torque
(in-ib)
1 52
1-1/2 70
2 105
2-1/2 195
3 230
4 350

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Address : 7F, 61, Da-Chih Street, Pan-Chiao City, Taipei, Taiwan
Telephone : 886-2-2969-5711
Fax : 886-2-2966-2460
Email :dragon@watertec.com

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