Air Butterfly Damper HD-80 Yokoikikai

Air Butterfly Damper HD-80 Yokoikikai

Characteristics

Manual damper for regulating amount of air. Various types are prepared.

Specifications

Pressure Under 20kPa
 Temperature Under 60℃
Accessories  Mate Flange
The flange conforms to JIS 5K

HD Type

Outline drawing / Dimensions

Type A(Rc) B C D D′ E Mass(kg)
HD-20 3/4 70 47 60 160 88 1.0
HD-25 1 0.9
HD-32 1/4 75 57 66 166 99 1.1
HD-40 1/2 80 63 69 169 105 1.3
HD-50 2 85 76 76 176 108 1.7
HD-65 1/2 90 93 85 185 135 2.1
HD-80 3 100 106 92 192 149 2.6
HD-100 4 120 134 107 207 178 4.2

※D’ dimension is TSL type.
※Fluid temperature under 400℃ is for Model TSL.

Type A(JIS5K) B C D D′ E F G Mass(kg)
HDF-40 40A 80 120 98 198 95 15 4 5.0
HDF-50 50A 85 130 103 203 105 15 4 5.9
HDF-65 65A 90 155 115 215 130 15 4 8.1
HDF-80 80A 100 180 128 228 145 19 4 10.7
HDF-100 100A 120 200 139 239 165 19 8 14.1
HDF-125 125A 140 235 171 271 200 19 8 20.7
HDF-150 150A 160 265 187 287 230 19 8 25.2
HDF-200 200A 180 320 215 315 280 23 8 36.4
HDF-250 250A 200 385 249 349 345 23 12 54.3
HDF-300 300A 220 430 272 372 390 23 12 66.0
HDF-350 350A 240 480 296 396 435 25 12 84.6

※F’ dimension is TSL type.
※Mass represents the mass with companion flange,bolts and nuts and packing all installed..

Characteristic(△P=1kPa)


Differential pressure correction factor

Differential pressure(kPa) Factor
0.05 0.22
0.1 0.32
0.25 0.50
0.50 0.71
1.00 1.00
1.50 1.22
2.00 1.41
3.00 1.73
4.00 2.00
5.00 2.24
6.00 2.45
7.00 2.65
8.00 2.83

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