Ductile iron butterfly valves

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Ductile iron butterfly valves

HB970-L/G/O

2 ″ - 12 ″

PN16/235PSI/Class125

Dual-Flanged Style, Pin-Free Valve Shaft, Vulcanized Rubber Seat

Design to BS5155 and MSS SP-67

Flange Dimension EN1092-2, ANSI B16.1 Class 125

Classification: Butterfly Valves
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Sealing Performance
EPDM -20℃-120℃
NBR -10℃-80℃
Hydraulic Pressure Test
Body 2.4Mpa/24Bar
Seat 1.76Mpa/17.6Bar
Materials List
No Part Specification BSEN ASTM
1 Body DuctileIron BSEN 1563 A536 65-45-12
2 O-Ring Rubber NBR NBR
3 Bottom Stem Stainless Steel BSEN 10088-1 A582 420
4 Disc Ductile Iron
Stainless Steel
Aluminum Bronze
BSEN 1563
BS970 304S15
1400AB2
A536 65-45-12
CF8
B148 Ay 954
5 Seat EPDM
NBR
EPDM
NBR
EPDM
NBR
6 Upper Stem Stainless Steel BSEN 10088-1 A582 420
7 Shaft Sleeve PTFE PTFE PTFE
8 Retaining Cap Steel BSEN 10087 A307

Suffix - L for operation by lever, - G for operation by worm gear, - O for polished rod

An electric or pneumatic actuator may be mounted to match an ISO5211-based mount.

Please refer to the TALOAR Butterfly Valve Torque Table in Page 46.

Dimensions-Weights
Ductile iron butterfly valves
Ductile iron butterfly valves
Ductile iron butterfly valves
mm 50 65 80 100 125 150 200 250 300
In 2 2 3 4 5 6 8 10 12
A 78 90 99 120 134 142 178 203 240
B 120 137 145 160 175 189 220 250 290
C 108 112 114 127 140 140 152 165 178
E 30 30 30 30 30 30 40 40 40
H NA NA NA NA NA 70 130 187 242
D4 89 106 120 144 170 197 252 305 350
d0 12.60 12.60 12.60 15.77 18.92 18.92 22.10 28.45 31.60
PCD 125 145 160 180 210 240 295 355 410
N-d1 4-19 4-19 8-19 8-19 8-19 8-23 12-23 12-28 12-28
h 9 9 9 11 14 14 17 22 24
D6 90 90 90 90 90 90 125 125 125
D7 70 70 70 70 70 70 102 102 102
D9 55 55 55 55 55 55 70 70 70
n-Φd 4-10 4-10 4-10 4-10 4-10 4-10 4-12 4-12 4-12
ISO5211 F07 F07 F07 F07 F07 F07 F10 F10 F10
Weight Lbs 17 20 22 27 32 39 67 70 133
Kg 8 9 10 12 15 18 31 32 60

Applicable to cold/hot water systems of air-conditioners, municipal water supply systems, water treatment facilities and industrial plants.

Shut-Off Valves

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