Ductile Iron Stainless Steel Concentric Wafer Butterfly Valve Resilient Seat Rubber Seat

• Media: Water
• Driving Mode: Manual
• Connection Form: Wafer
• Structure: Centre Sealing
• Seal Form: Auto Sealed
• Valve Stem: Normal
• Model NO.: DWS71X16
• Work Pressure: Low Pressure (Pn<1.6mpa)
• Working Temperature: Normal Temperature (-40°C<T<120°C)
• Material of Seal Surface: Soft Sealed
• Valve Body: Casting
• Standard: API609 ISO5752 BS5155
• Application: Industrial Usage, Water Industrial Usage, Household Usage
• End Standard: Pn10/16/150lbs/10K/Table E/Table D
• Transport Package: Polywood Case
• Specification: DN40-DN1200
• Trademark: OEM/TFW/IMGV
• Origin: China
• HS Code: 848180
• Production Capacity: 1000000PCS/Year

Product Description

Product Feature:
100% bi-directional tight shut-off.
Installation  without restriction in direction of flow.
Reduced  weight and overall dimensions.
Low pressure loss and reduced energy costs.
High Kv / Cv values.
Easy to clean and disinfect for potable water systems etc.
Self cleaning ( no residue will be trapped ).
Good resistance to corrosion.

Main Material:

Name	Material
Body	Cast Iron  Ductile Iron  Carbon Steel  Stainless Steel  AL-Bronze
Disc	Ductile Iron,Ductile+nylon/Epoxy coating  Stainless Steel  AL-Bronze
Shaft	Stainless Steel  Monel
Seat	NBR  EPDM  VITON  PTFE   Neoprene  Hypalon Natural rubber Silicon