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V11 WAFER BUTTERFLY VALVE

V11 WAFER BUTTERFLY VALVE

Fig No.: V1116 (PN16)

FEATURES & SPECIFICATIONS

  • Higher strength for disc with pinned single shaft ensure optimal alignment.
  • Centrally mounted disc and hydrodynamic design minimize pressure loss.
  • Can be installed at horizontal or vertical pipe line.
  • Phenolic backed rubber seat is non-collapsible, stretch resistant and easily replaceable.
  • Excellent flow characteristic with flow in either direction.
  • Design conforms to BS EN 593 / BS 5155 / MSS SP-67 / API 609.
  • Precision machining of disc for low operating torque.

NSF, WRAS Approved

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Technical Specifications

Size DN40 … DN1200
Body Design Wafer
Working Pressure 16bar
Shell Testing Pressure (x1.5) 24bar
Seat Testing Pressure (x1.1) 17.6bar
Working Temperature -20°C…110°C (EPDM Seat)
-10°C…80°C (NBR Seat)
5°C…120°C (PTFE Seat)
-10°C…135°C (FPM Seat)
Applicable Medium Water, Oil, Gas
Operator Lever, Wormgear, Electric Actuator
Connection BS 4504 PN10 / PN16,
EN1092-2 PN10 / PN16,
JIS B2239 10K / 16K,
ANSI Class 125 / 150
Optional Accessories Chain Wheel, Limit Switch

Material Specification

Body Ductile Iron
Stainless Steel 304
Stainless Steel 316
Disc Ductile Iron
Aluminium Bronze
Stainless Steel 304
Stainless Steel 316
Seat EPDM / NBR / PTFE (Teflon) / FPM (Viton)

 

Stem Stainless Steel 410
Stainless Steel 431
Stainless Steel 316
Taper Pin Stainless Steel 316
Stainless Steel 410
O-Ring EPDM / NBR / FPM (Viton)
Bushing PTFE (DN40…600)
Luberized Bronze (DN700 & above)

VALVE COEFFICIENT

DN (mm)

(inch)

 40

1 1/2

 50

2

 65

2 1/2

 80

3

 100

4

 125

5

 150

6

 200

8

 250

10

 300

12

350

14
Cv 69 135 220 302 600 1022 1579 3136 5340 8250 11917

 

DN (mm)

(inch)

 400

16

 450

18

 500

20

 500

20

 600

24

 500

20

 700

28

 800

32

 900

36

 1000

40

1200

48
Cv 16388 21705 27908 35170 43116 45620 49500 68250 86375 119750 154000

DIMENSIONS VALVE BODY

DN (mm)
(inch)		 40
1 1/2		 50
2		 65
2 1/2		 80
3		 100
4		 125
5		 150
6		 200
8		 250
10		 300
12		 350
14		 400
16
A 66 68.6 76 99 119 129 142 176 209 248.5 272 333
B 130 141.2 150.4 156.5 168 186.5 205.7 230.6 269.9 327.8 368 400
C 22 22 22 22 25 25 25 25 27 27 40 52
L 33 42 45 45 51 55 55 60 67 76 76 102
DN (mm)
(inch)		 450
18		 500
20		 550
22		 600
24		 650
26		 700
28		 750
30		 800
32		 900
36		 1000
40		 1100
44		 1200
48
A 364 389 433 453 151 530 565 602 661 724 804 869
B 422 480 533 562 540 626 660 666 722 806 820 938
C 52 64 70 70 70 95 95 95 722 130 150 150
L 114 127 151 151 172 165 167 188 203 216 252.5 276

Note : Mono flange for DN250 … DN1200.

DIMENSIONS - VALVE OPERATOR

Malleable Iron / Stainless Steel Lever.
Stainless Steel 304 Top Indicator Plate.

DN (mm)
(inch)		 40-80
1.5-3		 100-125
4-5		 150
6		 200-250
8-10		 300
12
A 195 266 328 386 391
B 95 109 109 164 164

Cast Iron 1 – Stage Worm Gear and Handwheel
Carbon Steel Gear Box Shaft

Valve Diameter H ø L1 L2 L3
DN40 – DN150 70 150 52 118 129
DN200 – DN250 80 280 75 191 171
DN300 – DN350 80 280 80 186 198
DN400 – DN450 99 400 125 273 280

Cast Iron 2 – Stage Worm Gear and Handwheel
Carbon Steel Gear Box Shaft

Valve Diameter H ø L1 L2 L3 L4
DN400 – DN500 125 285 107 260 175 107
DN600 136 385 131 285 193 131
DN700 – DN800 158 425 173 359 245 173
DN900 – DN1100 185 425 201 399 279 201
DN1200 216 425 185 443 311 255

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As a direct manufacturer, we have dedicated measurement, installation, and production teams to ensure a perfect fit every time.

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