Flange Double Eccentric Butterfly Valve

• Driving Mode: Electric
• Connection Form: Flange
• Structure: Double-Eccentric Sealing
• Seal Form: Supercharging Pressured Sealed
• Valve Stem: Normal
• Work Pressure: Low Pressure (Pn<1.6mpa)
• Working Temperature: Low Temperature (-100°C<T<-40°C)
• Material of Seal Surface: Metal Hard Sealed
• Valve Body: Casting
• Application: Industrial Usage, Water Industrial Usage
• Size: 4"-80"
• Transport Package: Wooden Cases
• Specification: CE
• Trademark: AHSUNVAL
• Origin: China
• HS Code: 8481804000
• Production Capacity: 1000PCS/Per Month

Product Description

Face to face: DIN3202 F4/F5, ISO5752 series 13/14, BS5155
Size: DN100-DN1200
Flange connection: DIN/ANSI/BS/JIS
Work pressure: PN10, PN16, PN25
 

Body: Ductile Cast Iron (ASTM A536 65-45-12, DIN 1693 GGG40, EN1563 EN-GJS-400-15); 
Disc: Ductile Cast Iron (ASTM A536 65-45-12, DIN 1693 GGG40, EN1563 EN-GJS-400-15, GB12227 QT450-10);
Seat: Ductile Cast Iron (ASTM A536 65-45-12, DIN 1693 GGG40, EN1563 EN-GJS-400-15); Stainless Steel (ASTM A351 CF8, CF8M; CF3, CF3M); AL-Bronze (ASTM B148 C95400);
Clamping ring: Ductile Cast Iron (ASTM A536 65-45-12, DIN 1693 GGG40, EN1563 EN-GJS-400-15);  
Stem: Zinc Plated Steel; Stainless Steel (ASTM A276 Type 316, Type 410, ASTM A582 Type 416);
Positioning screw: Stainless Steel (ASTM A276 Type 316; Type 410);
End Cap: Ductile Cast Iron ( ASTM A536 65-45-12, DIN 1693 GGG40, EN1563 EN-GJS-400-15); 
O-Ring: NBR, EPDM, Neoprene, Viton;
Disc Bolt: Stainless Steel (ASTM A276 Type 316; Type 410);
Disc Ring:  NBR, EPDM, Neoprene, Viton;
Taper Pin: Stainless Steel (ASTM A276 Type 304, Type 316);
Bushing: PTFE, Lubricated Bronze;
Packing: NBR, EPDM, Neoprene, Viton;
Key: Carbon Steel
Gland Flange: Ductile Cast Iron (ASTM A536 65-45-12, DIN 1693 GGG40, EN1563 EN-GJS-400-15).

A Professional Supplier of Piping System Equipment
Anhui Sunval International Co. Ltd is a professional supplier of piping system equipment. Our company focuses on iron valves, steel valves, copper alloy valves, pipes and related accessories. We offer design, production, quality control and export as well as after service on industrial valves.

Holding ISO 9001, CE0035, WRAS
We provide a complete solution for water supply and sewage including ductile iron pipes, gate valves, globe valves, check valves, ball valves, butterfly valves, strainers, control valves and pipe connectors (couplings, adapters, dismantling joints, repair clamps, saddles and manholes), our production has been approved with ISO 9001, CE0035, WRAS 

For petroleum and natural gas industry, we also supply steel valves like gate valves, globe valves, check valves, ball valves, butterfly valves, plug valves, strainers and ultralow temperature valves with materials of carbon steel, alloy steel, stainless steel, ultra-low carbon steel and Monel. The pressure range is Class 150 to 2500 (1.0MPa to 42.0MPa) and size range is NPS 1/2 to 42 inches (DN15 to DN1050). Our valves are designed and manufactured in accordance with the standards of ANSI, API, DIN, NF, BS and JIS for our products we have obtained certificates of API6D, API 607 and CE.