• Jiangsu Flowan Auto-Control Co.,ltd
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Flange / Wafer Type DN40 Industrial Butterfly Valve Pneumatic Operated

Place of Origin Tianjin,China
Brand Name JSFC
Certification SIL3/CE/ISO9001
Model Number DN40~DN600
Minimum Order Quantity 1 Ea
Packaging Details Carton
Delivery Time 3-7 working days
Payment Terms T/T
Supply Ability 50000PCS/Month
Product Details
Name Wafer Butterfly Valve Power Pneumatic
Medium Gas,Water,Oil Seal Material PTFE
Connection Wafer, Flange Structure Butterfly
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Pneumatic Industrial Butterfly Valve


DN40 Industrial Butterfly Valve


Pneumatic ansi butterfly valve

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Product Description

Flange / Wafer Type Pneumatic Operated Butterfly Valve DN40 ~ DN600



Product description

ANSI high quality pneumatic butterfly valve
Model of valve: D671X pneumatic butterfly valve
Body of valve: GGG.50/ductile iron
Disc of valve: CI/DI/304SS/316SS
Shaft of valve: CI/DI/304SS/316SS
Seal of valve: all kinds of rubber
Seat of valve: EPDM, wear-resistant EPDM, NBR, PTFE, Viton
Operating mode: chain wheel
Normal diameter of valve: DN40-600
Normal pressure of electro valve: PN10/16
Applicable medium: water, sea water, sewage, oil, air, weak acid and soda
Applicable temperature of electro valve: -20-135°C




1. this product mainly used for pumping station,power plant,metallury, paper industry,checmical industry,especially for regulation and control the pipeline flow of drinking water and fluid wasterwater.

2. The product's design in accordance to BS,JSO,ANSI,DIN,JIS.

3. Flange connection in accordance to BS,DINS,ANSI,JIS.

5. Adopt double eccentric structure can reduce the friction between the sealing ring and sealing belt, minimized operating torque,extended operating life, meet the sealing requirements to realize no leakage.

6. Optimize design displays in: simple structure,light weight,,quick 90 degree on-off operation.

7. Model T sealing ring which matching with plate have a good sealing performance,screws of sealing ring can be adjusted,facilitate replacement and maintenace in line,when working pressure up to PN25,fluid will with a high CV value characteristic to flow through valve plate,high strength and light weight of body.

8. the customers can choose lever,worm gear,pneumatic apparatus,electronic apparatus or combination driving operation according to working requirements.


Additional Parts


Limit switches, positioners, solenoid valves, air filter reducing valves


Flange / Wafer Type DN40 Industrial Butterfly Valve Pneumatic Operated 0