Flanged Double Eccentric Butterfly Valve

• Connection Form: Flange
• Structure: Double-Eccentric Sealing
• Seal Form: Force Sealed
• Work Pressure: Low Pressure (Pn<1.6mpa)
• Working Temperature: Normal Temperature (-40°C<T<120°C)
• Material of Seal Surface: Soft Sealed
• Model NO.: D41X
• Application: Industrial Usage, Water Industrial Usage, Household Usage
• Name: Double Eccentric Butterfly Valve
• Body: Ductile Iron
• Disc: D.I or Ss
• Spindle: Ss304/420/410
• Size: 150mm-2400mm
• Operator: Worm Gear
• Connection: Flanged
• Pressure Rate: Pn6/10/16/40
• Coating: Epoxy Coated to 300 Microns
• Transport Package: Bubble Bags / Wooden Case
• Trademark: None/OEM
• Origin: Suzhou, Jiangsu
• HS Code: 8481801090
• Production Capacity: 2800 Sets Per Month

Product Description

Cast Iron Concentric Flange Butterfly Valve With Worm Gear Op is used for Water Treatment System, like drinking water, sewage plant, for consider of economy and application safety factor, when size above 600mm, we suggest to choose flange type, if size below 500mm, customer can choose wafer or lugged type.

1- Body: Ductile Iron GGG40/50

2- Up Shaft: SS420; Low Shaft: SS420

3- Disc: Ductile Iron,SS304 (CF8) Stainless steel

4- Body Seal Ring: SS304 ;     Seat Ring: EPDM/NBR/Viton;   Retainer Ring: SS304

5- Epoxy Resin coating internal & external, thickness above 300 micron

6- Connection: Flanged acc to ISO 7005-2; EN 1092-2; DIN 2501 

     Face to Face : ISO 5752; DIN 3202-F4

7- Work pressure: PN10/16;   Size Range: DN50 - DN2400

8- Design Standard: DIN, EN558-1, EN593; API609; Top flange: ISO 5211;

9- Operate: Handwheel or Worm Gear

Company Profile
Suzhou Walter Flow Control Equipment Co., Ltd. are a professional company specializing in fluid & firefighting equipment. 
We do, and always will, fashion our long time business relationships from advanced technology, excellent quality and good service. 
Walter Flow Control supplies products with FM, UL, CE and all other relevant certificates for use in Water Reticulation and Treatment Systems, Fire-fighting Projects, High Rise Buildings, the Oil, Gas and Chemical Industries etc. 
Company Products 
Valves: Gate Valve, Butterfly Valve, Check Valve, Automatic Hydraulic Control Valve, Air Release Valve, Globe Valve, Ball Valve, Strainer, Pipeline products, etc.
Firefighting: Fire Sprinklers, Wet Alarm Check Valve, Deluge Valve, Water Flow Detector, Foam Extinguisher System, Gas Extinguisher System and Fire Hydrant System, Fire Hose, Fire Hose Reel, Fire Monitor, etc.
Standard & Certificates 
Walter products are design acc. to DIN, BS, ANSI, AWWA, EN, ISO,AS, API standard and relevant products can be provided with FM approval, UL listed, CE certificates.
Company Philosophy 
Processing every enquiry efficiently
Treating every order seriously
Serving every customer considerately
Choose us, reap success