Model DH77XButterfly Check ValveIt consists of parts such as valve body, valve flap, valve stem and spring, and adopts butt-clamp connection. Due to the short closing stroke of the valve flap and spring loading, the water hammer phenomenon can be significantly reduced. Thecheck valvesMainly used in urban, industrial and high-rise building water supply and drainage network. Because of its structure length is shorter than the general check valve, it is most suitable for places with installation space limitation. Butterfly check valve for pure pipeline and industry, environmental protection, water treatment, high-rise building water supply and drainage pipeline, to prevent the media reverse flow.

Product Features

  • Small volume, light weight, compact structure, easy maintenance;
  • The valve plate adopts the dyadic design, which can close quickly by itself under the elastic torque of the spring;
  • Due to the speed closure effect, the medium can be prevented from backflow;
  • The valve body structure has small length dimension and good rigidity;
  • Safe and convenient for installation in both horizontal and vertical directions.

Product Parameters

产品型号

DH77X-16Q

阀体材质

球墨铸铁

阀板材质

球墨铸铁/304不锈钢

公称压力

≤1.6Mpa

适用介质

水等

适用温度

≤80°C

Product Size Reference

通径

L

D

D1

DN40

43

107

65

DN50

43

107

65

DN65

46

127

80

DN80

64

142

94

DN100

64

162

117

DN125

70

192

145

DN150

76

218

170

DN200

89

273

224

DN250

114

328

265

DN300

114

378

310

DN350

127

438

360

DN400

140

489

410

DN450

152

539

450

DN500

152

594

505

DN600

178

690

624

DN700

229

800

720

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