Alloy 20 Wafer Butterfly Valve

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Description

Alloy 20 Wafer Butterfly Valve

Body Material: Alloy 20

Disc: Alloy 20

Stem: Alloy 20

Gland: Alloy 20

Cover: Alloy 20

Seat: Alloy 20, Graphite

Packing: PTFE

Pin: SS316

Bearing: SS316+PTFE

Nominal Size: 2″ to 12″

Nominal Pressure: Class 150 to Class 300

Design and Manufacturing: API609

Face to Face Dimensions: API609

Flange Dimensions: ASME B16.5

Testing: API598

Dimensions 

DN A B C E L H a D1 D2 D3 D4 N-D5 D6 D7 D8 D9 D10
mm inch
50 2″ 280 161 42.04 52.9 32 9.52 45° 83 11  52.6 120 4-23 70 10 102 100 12.6
65 21/2″ 303 175 44.68 64.5 32 9.52 45° 83 11  64.3 136.13 4-26.6 70  10 102 120 12。6
80 3″ 315 181 45.21 78.8 32 9.52 45°/22.5° 83 11  78.8 152.4/160.0 4-24/4-18 70  10 102 127 12.6
100 4″ 353 200 52.07 104 32 11.11 45°/22.5°  83 11 104  177.8/185.16 4.17.5/4-25.8 70  10 102 156 15.77
125 5″ 379 213 54.36 123.3 32 12.7 22.5° 83 11  123.3 215.01 4-23 70 10 102 190 18.92
150 6″ 404 226 55.75 155.6 32 12.7 22.5° 83 11  155.7  238.12 4-25 70  10 102 212 18.92
200 8″ 487 260 60.58 202.5 45  15.87 15°/22.5°  127 14 202.4 296.07 4-23/4-26 102  12 152 268 22.1
250 10″ 547 292 65.63 250.5 51 22.5°/15° 127 14 250.4 357 4-22/4-29 102  12 152 325 28.45
300 12″ 631 337 76.9 301.6 51 15°  127 14 301.5 406.4/431.8  4-30.2/4-25.4 102  12 152 403 28.45