Media Valve Co., Inc.
Media Valve Co. Inc.

The Manufacturer of Mosites Butterfly Valves

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Engineering Data For A20N Butterfly Valve

A20N Coefficient Of Flow

Cv of valve opening

Valve Size 20º 30º 40º 50º 60º 70º 80º 90º
2″ 1 8 18 30 43 73 117 159
3″ 3 16 38 75 132 195 296 429
4″ 9 43 82 150 241 377 615 884
6″ 21 95 186 338 541 872 1340 1800
8″ 38 165 330 601 963 1550 2460 3400
10″ 59 258 515 938 1500 2420 3850 5830
12″ 86 371 741 1350 2170 3490 5540 7960

 

A20N TORQUES & WEIGHTS

All weights shown in pounds

Valve Size Actual Torque Inch Pounds* Valve Weight Less Operator Lug Body Valve Weight Less Operator Wafer Body Gear Operator Weight Handlever Operator Weight
2″ 35 9 7 12 4
3″ 210 16 13 12 7
4″ 228 21 17 23 7
6″ 657 32 26 23 9
8″ 830 61 53 27 9
10″ 2365 91 87 40 10
12″ 3797 128 123 40 10

* Torque specifications are based on optimum test conditions. Actual torques may vary under different field and environmental applications. For actuator sizing multiply torques by 1.25.

A20N Dimensions

A20N Dimension Table

Valve Size A B C D E F G H J K L M(LUG) N P
(Wafer)
P
(Lug)
R
2″ 2.09 3.50 1.63 3.25 1.60 0.500 4.75 2.203 1.50 1.51 10-32 ON 1.125 BC 5/8-11 ON 4.75 BC 4 PLCS 3/8-16 2 PLCS 6.00 6.38 0.375
3″ 3.00 4.63 2.06 3.88 * 0.625 6.00 3.250 1.81 2.45 1/4-20 ON 1.375 BC 5/8-11 ON 6.00 BC 4 PLCS 1/2-13 2 PLCS 7.31 7.63 0.500
4″ 4.03 5.91 2.25 4.75 2.13 0.625 4.25 3.000 2.00 3.72 1/4-20 ON 1.375 BC 5/8-11 ON 7.50 BC 8 PLCS 1/2-13 2 PLCS 8.38 9.00 0.500
6″ 6.10 7.88 2.44 5.75 2.13 0.750 5.38 3.000 2.19 5.66 1/4-20 ON 1.984 BC 3/4-10 ON 9.50 BC 8 PLCS 1/2-13 2 PLCS 10.56 11.00 0.625
8″ 7.89 10.00 2.63 7.13 2.13 1.000 7.00 3.500 2.38 7.74 1/4-20 ON 2.203 BC 3/4-10 ON 11.75 BC 8 PLCS 1/2-13 2 PLCS 13.63 13.63 0.875
10″ 9.73 11.75 2.94 8.50 2.63 1.250 7.00 5.016 2.69 9.78 7/8-9 ON 14.25 BC 12 PLCS 5/8-11 2 PLCS 17.00 17.00 1.000
12″ 12.11 14.00 3.31 10.00 2.63 1.500 8.00 5.016 3.06 11.69 7/8-9 ON 17.00 BC 12 PLCS 5/8-11 2 PLCS 20.00 20.00 1.250

* Contact manufacturer for mounting dimensions.