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Flanged PTFE Full Lined Butterfly Valve

Electric Actuated Ventilation Butterfly Valve

Flanged PTFE Full Lined Butterfly Valve

Body Material:WCB+PTFE

Size Range:DN50~1600

Connection Options:Flanged

Working Pressure:Pn<1.6mpa

Working Temperature:-40°C to 120°C

Sealing Options:Soft Sealed

Manufacturing Method: Cast

Applicable Medium:Corrosion Medium

Manufacturing Standard:GB,DIN,ANSI

Product Overview

The Flanged PTFE Full Lined Butterfly Valve is a highly efficient and reliable valve designed for controlling the flow of liquids and gases in a variety of industrial applications. This valve features a durable PTFE (Polytetrafluoroethylene) lining that provides excellent resistance to corrosion, abrasion, and high temperatures, making it ideal for use in aggressive environments and chemical processing industries.

Product Features

  • Full PTFE Lining: Offers superior resistance to a wide range of chemicals, acids, and alkalis, ensuring longer service life and minimizing maintenance needs.
  • Flanged Design: Equipped with flanged connections for easy installation in pipeline systems, providing a secure and leak-proof seal.
  • Precision Control: The butterfly valve design allows for accurate flow regulation with minimal pressure drop, ensuring smooth operation and energy efficiency.
  • Durability: Constructed from high-quality materials to withstand high pressures, temperatures, and the demanding conditions of industrial environments.
  • Wide Application Range: Suitable for a variety of industries, including chemical, pharmaceutical, food processing, and wastewater treatment.

Specification Parameters

Material Specification

No. Name Material
1 Body A216 WCB, A351 CF8/A351 CF8M, A351 CF3/A351 CF3M
2 Stem 2Cr13 (SS420), SS410, 17-4PH
3 Shaft sleeve SS304
4 O-ring VITON, VITON+FEP, VITON+PFA
5 Disc A216 WCB+Lining material, A351 CF8+Lining material, CF3/CF3M+Lining material
6 Seat PTFE, RPTFE, PFA, FEP, PO
7 Elastomer Backing Silicone rubber, VITON
8 Body bolt A193 B7, A320 B8, A193 B8M
9 Bolt A193 B7, A320 B8, A193 B8M

Technical Specification

Specification Value
Design & Manufacture Standard HG/T 3704, GB/T 12238
Face-to-face Dimension HG/T 3704, GB/T 12221
Flange Standard HG/T 20592, GB/T 9119
Inspection and Test Standard GB/T 13927, JB/T 9092
Nominal Diameter DN50-DN1600,
Nominal Pressure (MPa) 1
Shell Test (MPa) 1.5
Temperature Range (°C) PTFE: -30~180
Applicable Medium Strong corrosive medium i.e. hydrochloric acid, Nitric acid, Hydrofluoric acid, Liquid chlorine, Sulfuric Acid, Aqua regia etc.
Pressure Test (MPa) High Pressure Sealing: 1.1
Low Pressure Sealing: 0.6

Flanged-PTFE-Full-Lined-Butterfly-Valve-Diagram

DN NPS L1 Wafer L2 Flange ASME 150LB D D1 Z-d D D1 Z-d JIS 10K D2 H1 H2 A
40 1 1/2 40 106 125 98.5 4-16 140 105 4-19 70 60 90 78
50 2 43 108 150 120.5 4-19 155 120 4-19 90 70 112 96
65 2 1/2 46 112 180 139.5 4-19 175 140 4-19 110 80 125 112
80 3 46 114 190 152.5 4-19 185 150 8-19 130 89 135 130
100 4 52 127 230 190.5 8-19 210 175 8-19 148 105.5 142 150
125 5 56 140 255 216 8-22 250 210 8-22 181 121 165 178
150 6 56 140 280 241.5 8-22 280 240 8-23 202 145 180 206
200 8 60 152 345 298.5 8-22 330 290 12-23 263 177 228 260
250 10 68 165 405 362 12-25 400 355 12-23 313 205 278 317
300 12 78 178 485 432 12-25 445 400 16-25 368 235 295 367
350 14 78 190 535 476 12-29 490 445 16-25 415 260 341 466
400 16 102 216 595 560 16-29 510 480 16-27 484 299 390 495
450 18 114 222 635 578 16-32 620 565 20-27 519 320 442 630
500 20 127 229 700 635 20-32 675 620 20-27 569 352.5 470 694

Specification Applications

Chemical Processing Industry:

The PTFE lining provides exceptional protection against harsh chemicals, acids, and solvents. This valve is ideal for regulating flow in pipelines that carry aggressive substances, ensuring leak-proof performance and reducing the risk of contamination.

Pharmaceutical Manufacturing:

In pharmaceutical production, hygiene and material integrity are paramount. The Flanged PTFE Full Lined Butterfly Valve helps maintain strict control over liquid and gas flows in sterile systems, such as in drug formulation and packaging lines.

Water Treatment and Wastewater Management:

The valve is used in water treatment plants and wastewater systems to control the flow of fluids, offering excellent resistance to corrosive chemicals and ensuring proper flow regulation in aggressive environments like sewage treatment.

Food and Beverage Industry:

With its ability to withstand high temperatures and resist corrosive substances, this valve is used in food and beverage applications such as liquid handling and beverage processing, where sanitary conditions and material compatibility are essential.

Oil and Gas Industry:

The Flanged PTFE Full Lined Butterfly Valve is well-suited for controlling flow in oil and gas pipelines, especially for transporting aggressive chemicals or oils. Its durable construction ensures long-lasting service under high-pressure and temperature conditions.

Pulp and Paper Industry:

This valve is ideal for controlling the flow of highly corrosive chemicals used in the paper and pulp production process, such as bleaching agents and acids, ensuring minimal maintenance and efficient operation.

Valve Actuation

Process Optimization

Precision Engineering

Pipeline Solutions

Industrial Valves

Flow Control

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