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Ductile Iron Pneumatic Wafer-Type PTFE Butterfly Valve D671F-16Q

  • Product Model: D671F-16Q
  • Valve Body Material: Ductile Iron
  • Valve Plate Material: Ductile Iron / 304 Stainless Steel
  • Rubber-Lined Material: PTFE
  • Cylinder Material: Aluminum Alloy
  • Cylinder Type: AT Series Double-Acting
  • Nominal Pressure: ≤1.6 MPa
  • Applicable Media: Water, gas, oil, etc.
  • Operating Temperature: ≤150℃
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Product Description

Pneumatic Wafer-Type PTFE Butterfly Valve are the standard choice for pipeline applications. They feature a simple structure, low flow resistance, a flow characteristic that approaches a straight line, and prevent the accumulation of debris. Additionally, they are lightweight, easy to install, and require low operating torque. Pneumatic butterfly valves can be used both for shutting off the flow of media and for regulating flow rates. They are widely used in industries such as drainage, sewage, food processing, heating, gas, marine, hydropower, metallurgy, energy systems, and light industry and textiles.

Product Features

  1. Compact and lightweight, it is easy to assemble, disassemble, and maintain, and can be installed in any location.
  2. Simple and compact design, low operating torque, and rapid 90° rotation.
  3. The flow characteristics approach a linear relationship, and the control performance is excellent.
  4. The connection between the butterfly plate and the valve stem uses a pinless design, eliminating potential internal leakage points.
  5. The outer circumference of the butterfly disc features a spherical design, which improves sealing performance and extends the valve's service life.
  6. The seals are replaceable and provide reliable bidirectional sealing.

Product Specifications

Product Model

D671F-16Q

Valve Body Material

Ductile Iron

Valve Plate Material

Ductile Iron / 304 Stainless Steel

Rubber-Lined Material

PTFE

Cylinder Material

Aluminum Alloy

Cylinder Type

AT Series Double-Acting

Nominal Pressure

≤1.6 MPa

Applicable Media

Water, gas, oil, etc.

Operating Temperature

≤150℃

Product Size Guide

Nominal Diameter

L

D1

C

B

A

D

Z-Φd

DN40

42

110

72

232

147

71

4-Φ18

DN50

42

125

72

232

147

71

4-Φ18

DN65

45

145

90

257

168

83

4-Φ18

DN80

45

160

99

278

184

95

8-Φ18

DN100

52

180

111

303

210

103

8-Φ18

DN125

56

210

127

325

262

108

8-Φ18

DN150

56

240

137

356

273

122

8-Φ22

DN200

60

295

176

404

301

142

12-Φ22

DN250

68

355

208

468

400

152

12-Φ26

DN300

78

410

242

529

458

176

12-Φ26

DN350

78

470

263

619

525

206

16-Φ26

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Consistent Quality

We implement comprehensive quality control throughout the entire process, ensuring meticulous attention to detail and thorough testing!

Reasonably Priced

Efficient internal cost control has reduced expenses, allowing us to pass the savings on to our customers!

Fast Delivery

State-of-the-art production lines and ample inventory have shortened delivery times!

Step 1: Send the purchase list

Please email the purchase list to bolaikong@163.com. Phone/WeChat: +86-13382208259; WhatsApp: +852-90445535.

Step 2: Provide a Quote and Assist with Product Selection

Upon receiving the customer’s purchase list, our company will provide a valve quotation 「price list」 and assist with valve selection 「valve models」.

Step 3: Work Out the Details

Finalize the details: Confirm the delivery schedule, special requirements, and other specifics.

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