D641F-16QPneumatic Flanged PTFE Butterfly ValveReliable performance, simple configuration, and high flow capacity make it particularly suitable for viscous, particulate, or fibrous media. Designed for temperatures ≤150°C, it serves as a flow regulator and flow-interrupting device in pipelines across industries including light textiles, papermaking, food, pharmaceuticals, chemicals, petroleum, power generation, water supply and drainage, and gas systems.

Product Features

  • Innovative and rational design, lightweight structure, rapid opening and closing.
  • Low operating torque, easy to operate, effortless and nimble.
  • Can be installed in any location for easy maintenance.
  • The seals are replaceable and provide reliable bidirectional sealing with zero leakage.

Product Parameters

产品型号

D641F-16Q

阀体材质

球墨铸铁

阀板材质

304不锈钢

衬胶材质

PTFE Polytetrafluoroethylene

气缸材质

铝合金

气缸类型

AT double acting

公称压力

≤1.6Mpa

适用介质

水、气、油品等

适用温度

≤150°C

Product Size Reference

通径

L

T

H

S

Q

K

D

n-d

DN50

108

147

130

71.5

92

83

125

4-18

DN65

112

168

140

83

108

93

145

4-18

DN80

114

186

150

95

119.5

100

160

8-18

DN100

127

212

165

103

128.7

110

180

8-18

DN125

140

262

180

108.5

136.5

123

210

8-18

DN150

140

268

200

121.5

153

143

240

8-22

DN200

152

301

230

142

185

171

295

12-22

DN250

165

390

270

152

202

203

355

12-26

DN300

178

458

320

174

227

230

410

12-26

DN350

190

534

350

206

260

260

470

16-26

DN400

216

538

390

226

285

285

525

16-30

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