Cast Iron Cast Steel Double-Eccentric High-Performance Butterfly Valve

Product Details
Media: Water,Gas,Oil etc
Driving Mode: Worm Gear
Connection Form: Flange
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  • Cast Iron Cast Steel Double-Eccentric High-Performance Butterfly Valve
  • Cast Iron Cast Steel Double-Eccentric High-Performance Butterfly Valve
  • Cast Iron Cast Steel Double-Eccentric High-Performance Butterfly Valve
  • Cast Iron Cast Steel Double-Eccentric High-Performance Butterfly Valve
  • Cast Iron Cast Steel Double-Eccentric High-Performance Butterfly Valve
  • Cast Iron Cast Steel Double-Eccentric High-Performance Butterfly Valve
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  • Overview
  • Product Description
  • Product Parameters
  • Detailed Photos
Overview

Basic Info.

Model NO.
D343H
Structure
Double-Eccentric Sealing
Seal Form
Force Sealed
Valve Stem
Normal
Work Pressure
Pn6 – Pn25 (Class 150 – Class 300)
Working Temperature
-40ºC~+200ºC
Material of Seal Surface
Metal Hard Sealed
Valve Body
Casting
Standard
ANSI DIN JIS GOST GB/T
Application
Industrial Usage, Water Industrial Usage, Household Usage
Size
1/2"-80"
Operation
Handwheel, Gear, Electric, Pneumatic
MOQ
1
Customized
OEM
Transport Package
Wooden Case
Trademark
SWF VALVE
Origin
China
HS Code
8481804090

Product Description

 
Product Description


Introduction:

The valve uses a double-eccentric butterfly plate with a spherical sealing surface, paired with a single-piece flexible lip sealing seat. It is suitable for applications that require reliable sealing and good regulation characteristics.

Implementation Standards:

Design Standard: GB/T 12238, API609
Face-to-Face Dimensions: GB/T 12221, API609, ASME B16.34
Flange Connection: GB/T 9113, API609, ASME B16.10, 1505752
Testing and Inspection: GB/T 13927, API598

 

Product Advantages:

  • The valve features a double-eccentric butterfly plate with a spherical sealing surface, paired with a single-piece flexible lip sealing seat, making it suitable for applications that require reliable sealing and good regulation characteristics. Due to the design of the double-eccentric butterfly plate, this valve offers tight sealing performance, extended service life, and can be used for quick shutoff or flow regulation.

    The product is suitable for the transport of fluids and gases in various industrial pipelines (including steam), and, with special selection, can also be used for specific media such as ammonia, oxygen, high vacuum, sulfur-resistant, or corrosive media. The product is also available with a fire-resistant structure as an option. The connection can be either wafer type or a single flange design with raised ears for large diameters or terminal pipelines.

    The butterfly valve adopts a three-dimensional eccentric design, which allows the sealing surface's spatial movement trajectory to be optimized. The sealing surfaces do not experience friction or interference, and with the proper selection of sealing materials, the valve's sealing, corrosion resistance, high-temperature resistance, and wear resistance are reliably ensured.

Product Parameters
Parameter
Size DN15 - DN2000 (1/2″ - 80″)
Pressure PN6 - PN25 (Class 150 - Class 300)
Temperature -40°C to +200°C
Material Carbon Steel, Stainless Steel, Cast Iron, etc.
Media Water, Steam, Oil, Gas, Corrosive Media, etc.
Operation Handle, Gear, Electric, Pneumatic
 
Detailed Photos
Cast Iron Cast Steel Double-Eccentric High-Performance Butterfly Valve

Cast Iron Cast Steel Double-Eccentric High-Performance Butterfly Valve

Cast Iron Cast Steel Double-Eccentric High-Performance Butterfly ValveCast Iron Cast Steel Double-Eccentric High-Performance Butterfly Valve
 Cast Iron Cast Steel Double-Eccentric High-Performance Butterfly ValveCast Iron Cast Steel Double-Eccentric High-Performance Butterfly Valve
Cast Iron Cast Steel Double-Eccentric High-Performance Butterfly Valve
Cast Iron Cast Steel Double-Eccentric High-Performance Butterfly Valve
Cast Iron Cast Steel Double-Eccentric High-Performance Butterfly Valve
Cast Iron Cast Steel Double-Eccentric High-Performance Butterfly Valve
Cast Iron Cast Steel Double-Eccentric High-Performance Butterfly Valve

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