Comprehensive Guide to China Electric Butterfly Valve Model

Author: Helen

Apr. 29, 2024

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Comprehensive Guide to China Electric Butterfly Valve Model

Electric butterfly valves are pivotal in the realm of industrial applications, offering a blend of automation, efficiency, and reliability. These valves, a combination of electric actuators and butterfly valves, are celebrated for their straightforward design, lightweight, longevity, easy installation, and maintenance. Furthermore, they present a cost-effective solution without compromising quality or performance. Given their extensive application across diverse conditions—ranging from high temperatures and pressures to corrosive environments and various fluids—it’s crucial to understand the nomenclature behind China’s electric butterfly valve models for accurate selection and usage.

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china electric butterfly valves

The Methodology Behind Electric Butterfly Valve Model

The model designation system for electric butterfly valves in China is derived from national standards for valve selection, encompassing several key parameters:

  • Butteryfly Valve Code: D
  • Actuation Method: 9 – Electric Actuator
  • Connection Type: 4 – Flange Type, 6 – Welding, 7 – Wafer Type
  • Structural Design: 1 – Center Line Structure, 2 – Double Eccentric, 3 – Triple Eccentric
  • Seat/Sealing Material: H – Stainless Steel, W – Valve Body Processing, Y – Alloy, X – Rubber, J – Rubber Lining
  • Nominal Pressure: 10 – 10Bars, 10K – Japanese Standard, 150LB – American Standard
  • Valve Body Material: Z – Gray Iron, Q – Ductile Iron QT450, C – Carbon Steel WCB, P – Stainless Steel 304, R – Stainless Steel 316, I – Chromium Molybdenum Steel WC6/WC9
  • Nominal Diameter: DN40-2200mm, 2”-60”

These parameters, except for temperature and medium, are reflected in the model, please kindly specifying the operating medium and temperature during selection.

china electric butterfly valve

Key Selection Criteria China Electric Butterfly Valve

Actuator Types

  • Switch Type
  • Modulating Type
  • Intelligent Type
  • Explosion-Proof Type

Valve Body Materials

Body Material CodeMaterial TypeApplicationsQT450Ductile IronWater, sewage, liquid applicationsWCBCarbon SteelOil, steam, gas applicationsF46Lined with FluorineAcidic, corrosive gases and liquids304/316Stainless SteelWeakly corrosive gases, liquids, high-temperature, high-pressure environments

Seat Material Suitability by Temperature and Pressure

CodeMaterialTemperature RangeJRubber Lined≤80°CXEPDM Rubber≤120°CFPTFE≤150°CFPA–≤260°CHStainless Steel≤425°CIChrome Moly Steel≤590°C2520Stainless Steel≤1000°C

Model Examples For China Electric Butterfly Valve

D971X-10Q-DN50-Electric Wafer Butterfly Valve

D represents butterfly valve, 9 represents electric, 7 represents wafer type, 1 represents center line structure, X represents rubber sealing ring, 10 represents nominal pressure, Q represents ductile iron, DN50 represents valve inner diameter

D943H-16C-DN100-Electric Hard Seal Butterfly Valve

D represents butterfly valve, 9 represents electric, 4 represents flange type, 3 represents triple eccentric, H represents stainless steel, 16 represents nominal pressure, C represents carbon steel, DN100 represents valve inner diameter

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Accessories and Additional Codes


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Butterfly valve accessories and additional features enhance functionality:

  • B – Insulation
  • H – Check function
  • S – With expansion
  • TL – Desulfurization
  • G – High temperature

Electric Butterfly Valve Models Overview

The diverse range of electric butterfly valve models caters to various applications:

Soft-Sealed Electric Butterfly Valves

  • D971X
  • D971F
  • D971J

Hard-Sealed Electric Butterfly Valves

  • D973H
  • D973W
  • D973F
  • D973Y

Specialized Electric Butterfly Valves

  • For Expansion: SD941X, SD943H, SD943W
  • Explosion-Proof: BD943H, BD973H, BD941X, BD971X
  • Lined with Fluorine: D941F46, 971F4, BD941F46, B971F4
  • For Ventilation: D941W

Conclusion

Above the complete model description of China electric butterfly valve, THINKTANK engineers have meticulously organized models such as electric regulating butterfly valves, explosion-proof electric butterfly valves, electric soft-sealed butterfly valves, and electric hard-sealed butterfly valves for efficient selection. Should you have any questions, just feel free to contact THINKTANK’s experts to help you sizing or selection the right electric butterfly valves for your application.

Complete list of electric butterfly valve models

  • Electric wafer-type soft seal butterfly valve model: D971X, D971F, D971J
  • Electric flange type soft seal butterfly valve model: D941X, D941F, D941J
  • Electric flange hard-sealed butterfly valve models: D973H, D973W, D973F, D973Y
  • Electric wafer-type hard-seal butterfly valve models: D943H, D943W, D943F, D943Y
  • Electric telescopic butterfly valve models: SD941X, SD943H, SD943W
  • Electric explosion-proof control valve models: BD943H, BD973H, BD941X, BD971X
  • Electric fluorine lined butterfly valve models: D941F46, 971F4, BD941F46, B971F4
  • Electric ventilation butterfly valve model: D941W

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Advanced Flow Control Group Co., Ltd (AFC) is the most leading China valve manufacturer & supplier, specializes in valve designing& manufacturing& supplying. In order to better serve our customers, we built our sales company named “HEFEI AFC INTERNATIONAL TRADE CO., LTD.” to deal with all exporting business.

AFC always places the product quality and customers’ requirements on the utmost position and strives to better serve our valued customers. We specialized in ball valve (DBB, Segmented Ball Valve etc.), knife gate valve, plug valve, pinch valve, butterfly valve, check valve, gate valve, globe valve, control valve, strainer, safety valve  etc from Class 150LB to Class 2500LB. We supply both special material valves such as hastelloy, monel, inconel, duplex etc. and general materials like WCB, LCB, SS etc. The reliable quality and reasonable price are the foundation of our constant development.  AFC’s products are widely used in Oil& Gas Industry, Petro- Chemical, Offshore, Power Generation, Mining Industry etc.

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