Worm Gear Butterfly Valve PTFE Lined Wafer Type

  • Model NO.: D371PTFE
  • Connection Form: Wafer
  • Seal Form: Auto Sealed
  • Work Pressure: Low Pressure (Pn<1.6mpa)
  • Material of Seal Surface: Soft Sealed
  • Application: Industrial Usage
  • Material: Wcb+PTFE
  • Actuator: Worm Gear
  • Transport Package: Plywood
  • Origin: Wenzhou
  • Driving Mode: Manual
  • Structure: Centre Sealing
  • Valve Stem: Normal
  • Working Temperature: Medium Temperature (120°C<T<450°C)
  • Valve Body: Casting
  • Size: Dn50~2000
  • Medium: Corrosion Medium
  • Trademark: YFM
  • Specification: CE, ISO9001, SGS, TS
  • HS Code: 8481804090

 Worm Gear Butterfly Valve PTFE Lined wafer type

Technical Specification
Design and Manufacture Standard: ASME B16.34, HG/T 3704

Face-to-face Dimension: ASME B16.10 , GB/T 12221

Flange Standard: ASME B 16.5 ,GB/T 9119 ,DIN ,JIS

Inspection and Testing: API 598, GB/T 13927

Product Specification
Body Material: WCB, ASTM A395 , CF8 ,CF8M

Lining Material: PTFE , PFA , PO ,FEP, EPDM

Nominal Diameter: 2"-80"(DN50~DN2000)

Pressure Range: Class150 , PN6 , PN10 , PN16

Connection Type: Flange ,Wafer , Lug Connection

Operation Method: Manual ,Worn gear ,Electric ,Pneumatic actuator

Products Decription:

1.The lined butterfly valves bi-directional flow is possible at maxmium operating pressure. Since the valve port corresponds to the piping diameter, a high flow capacity is guaranteed.

2.It features ease of maintenance, repeatable on-off, long life durability.
3.The concentric design is commonly used in the power generation, brewing, water and food industries and suitable for both gaseous and liquid service. Typically applied in chemical/petrochemical process, food and beverage, and pulp and paper etc.

4.Lining material: PTFE, PFA, FEP, GXPO etc.

5.Connection type: wafer, flange, lug etc.
6.Operation methods: manual, worm gear, electric, pneumatic and hydraulic actuator.

7.Youfumi lined three-way ball valves are available as per the needs of applications in additional sizes and other than standard materials.


We have more than 10,000 pcs on stock, which can be delivery in time and suit for project.
Warmly welcome to visit our company.
Worm Gear Butterfly Valve PTFE Lined Wafer Type
Worm Gear Butterfly Valve PTFE Lined Wafer Type
Worm Gear Butterfly Valve PTFE Lined Wafer Type

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