Wafer Type Electric PTFE Lined Butterfly Valve4
Wafer Type Electric PTFE Lined Butterfly Valve3
Wafer Type Electric PTFE Lined Butterfly Valve2
PTFE Lined Electric Wafer Butterfly Valve e1741845759749
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Electric PTFE-Lined Butterfly Valve

The electric PTFE-lined butterfly valve has a PTFE lining, which provides strong corrosion resistance and can handle various corrosive media. It is electrically driven, enabling precise control and being adaptable to automated systems.

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Exploded View of Electric PTFE Lined Butterfly Valve

Product Introduction

This electric fluorine-lined butterfly valve is equipped with a fluorine plastic-lined disc with a spherical sealing surface and a silicone rubber seat gasket for optimized sealing. It features easy operation, tight shut-off, and long service life, ideal for quick isolation or flow control in applications requiring reliable sealing and good regulation performance.

With FEP lining, the valve provides excellent corrosion and wear resistance. The unique lip-type elastic seal design further extends its service life.

Besides handling general media, it can transport highly corrosive, erosive, and abrasive fluids, acids, alkalis, salts, corrosive gases, and slurries with solid particles under large pressure and temperature differentials.

Features

  • FEP-lined, with all wetted parts in contact with liquid made of fluoroplastic. It features excellent corrosion and wear resistance, suitable for acids, alkalis and other media at any concentration, making it an ideal choice for corrosion-resistant equipment.
  • The unique lip-type elastic sealing pair design effectively extends service life.
  • PTFE sealing material is aging-resistant, corrosion-resistant and durable, achieving zero leakage.

Basic Parameters

Operating Power: AC110V, AC220V, AC380V, DC24V
Nominal Diameter (DN): DN40~DN500
Medium Temperature: -50℃~160℃ (Non-freezing)
Working Pressure (PN): 1.0~1.6 MPa
Control Method: Modulating or On/Off Control
Pneumatic Action Mode:
- Single Acting (with spring return) - Double Acting
Connection Type: Wafer Type

Material Specifications

Body & Internal Components

Valve Body Material: WCB, QT450-10, HT200, HT250
Valve Disc Material: WCB + PTFE
Seal Ring Material: PTFE
Actuator Material: Cast Aluminum Alloy

Suitable Media

  • Sulfuric acid
  • hydrofluoric acid
  • phosphoric acid
  • chlorine gas
  • strong alkali
  • aqua regia
  • any other highly corrosive media

Standards Compliance

Design & Manufacturing: GB/T 12238-2008, API 6D
Flange:
- JB/T 79-2015 - GB/T 9124.1-2019 - GB/T 9124.2-2019 - ASME B16.5 - JIS B2239
Structure Length: GB/T 12221-2005
Inspection: API 598

Main Parameters

Power SupplyAC110V, AC220V, AC380V, DC24V
Nominal DiameterDN40–DN500
Medium Temperature-50℃ – 160℃ (non-freezing)
Working PressurePN1.0~1.6 MPa
Control ModeModulating or On-Off control
Connection TypeWafer Type
Body MaterialWCB, QT450-10, HT200, HT250
Disc MaterialWCB + PTFE
Seal RingPTFE
Actuator MaterialCast Aluminum Alloy
Suitable MediaSulfuric acid, hydrofluoric acid, phosphoric acid, chlorine gas, strong alkali, aqua regia, and any other highly corrosive media
Design & Manufacturing StandardGB/T 12238-2008, API 6D
Flange StandardJB/T 79-2015, GB/T 9124.1-2019, GB/T 9124.2-2019, ASME B16.5, JIS B2239
Face-to-Face DimensionGB/T 12221-2005
Inspection StandardAPI 598

Dimension Drawing

1.Wafer Type Electric PTFE Lined Butterfly Valve

衬氟蝶阀尺寸图
Nominal Diameter
(DN)
LDN-ΦDH1H2W1W2
40331154-Φ1626060196145
50431254-Φ1827070196145
65461454-Φ1828380196145
80461608-Φ1832789255182
100521808-Φ18334105.5255182
125562108-Φ18357121255182
150562408-Φ22372145255182
2006029512-Φ22420177255182
2506635512-Φ26518205354273
3007841012-Φ26535235354273
3507847016-Φ26581260354273
40010252516-Φ30630299354273
45011458520-Φ30682320354273
50012765020-Φ33710352.5354273

Circuit Diagram

S

S

Switching Action Mode:Switching operations (open/close) are achieved via AC switching signals, and a set of active position signals indicating fully open/fully closed status are output.

MS

MS

Switching Action Mode: Outputs passive contact signals. Structure:Equipped with two intermediate position switches.

PIU

PIU

Switching Action Mode: Outputs 0~1000Ω feedback signal. Structure: Equipped with 500Ω or 1kΩ potentiometer.

CPT

CPT

Switching Action Mode:
Outputs 4~20mA valve position feedback signal. Structure: Equipped with 1kΩ potentiometer and R/I converter.

PCU

PCU

Regulating Action Mode:Accepts 4~20mA control signal input and outputs 4~20mA valve position feedback signal. Structure: Integrated with 1kΩ potentiometer and control module (servo amplifier).

G

G

DC switching signals are output from the circuit via an external DC power supply to control the opening/closing program, and a set of passive contact signals corresponding to fully open/fully closed positions are provided.

SP

SP

Switching Action Mode: 
Controls valve opening angle via switching circuit, corresponding to potentiometer resistance value, while enabling intermediate position control function. Structure: Integrated with potentiometer and intermediate position switch.

H

H

Three-phase AC switching signals are output through an external three-phase power phase-reversing circuit to control opening/closing operations, accompanied by a set of passive contact signals for fully open/fully closed position indication.

Documents & Drawings:

PTFE Lined Butterfly Valve
GRAT-PTFE Lined Butterfly Valve Selection Catalog

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