Electrically Operated Large Butterfly Valves For Flow Control 2" ~ 120"

Electrically Operated Large Butterfly Valves For Flow Control 2" ~ 120"

Large Butterfly Valves Introduction

face to face length: 10 inch valve length be 8inch(203mm).

Body Ductile Iron w/Fusion Bonded Epoxy ASTM A536 65-45-12

Disc Ductile Iron w/316SS Edge w/Fusion Bonded Epoxy ASTM A536 65-45-12

Seat NBR Vulcanized on Body (Buna-N)

Shaft Type 316 Stn. Stl ASTM A276 Ty316

Packing V-Ring NBR (Buna-N)

Flanges ANSI B 16.1 Class 125

Large Butterfly Valves Specifications:

Size: DN50 - 3000
Temperature: -15℃ - 150℃
Pressure: 1.0MPa/1.6MPa

Materials
Materials of Body : Ductile Iron (GGG40, GGG50). Cast Iron (GG25), Stainless Steel

Materials of Disc : Stainless Steel. Nickel Plated, Ductile Iron, Ductile Iron Coated Plastic,

Titanium Steel, Copper Alloy etc

Materials of Seat : Ethylene-Propylene-Diene Monomer (EPDM), Polytetrafluoroethylene (PTFE),

Nitrile Rubber (NBR), Chloroprene, Chlorosulfonated Polyethylene (Hypalon),

Silicon, Fluoroelastomer (VITON) , Caoutchouc etc.

Materials of Stem : Stainless Steel. Carbon Steel ,2Cr13

Large Butterfly Valves Features:

⊙ Sealing reliable

Body and disc made of ductile iron which promote the impact resistance and pressure-bearing

capacity, sealing ring made of rubber and valve seat’s sealing surface is conical shaped, make the

sealing capacity more reliable.

⊙ Excellent corrosion protection

Inside electrostatic epoxy resin power coating or vitreous enamel(upon request), outside electrostatic

epoxy resin power coating.

⊙ Reliable health nature

Epoxy resin power is up to the health standard.

Mail part & material

Body, Disc: GGG50 with internal and external epoxy resin coating

Stems: 1Cr17Ni12Mo2Ti, Stainless steel min.13%Cr

Bushing :Bronze CuAI10Fe3

Seal ring, O-ring: NBR, EPDM or FPM

Technical Specification

- Nominal diameter:150～2600mm

- Nominal pressure:1.0/1.6/2.5Mpa
- Strength testing pressure:1.5/2.4/3.75Mpa

- Sealing testing pressure:1.1/1.76/2.75Mpa

Executive standard

Main external and connection dimension

1.0MPa mm

1.6MPa mm

Shanghai KangQuan Valve Co. Ltd. is a specialized valves manufacture, which has 2,500 tons of 

valves output capacity annually. We pay much attention to the quality so our products are superior in 

quality compared with those of other manufacturers. After years of research and development, we have

accumulated a wealth of information and experience in this field. We enjoy a high reputation in dealing 

with both domestic and overseas trading.

Shanghai KangQuan Valve Co. Ltd.  covers an area of  15000 square meters. Our products line includes

various kinds of gate valves, globe valves, ball valves, check valves, cock valves, butterfly valves of , etc., 

up to the international advanced standards of ANSI, API, JIS, DIN, BS and so on . Materials mainly include

carbon steel ,stainless steel ,ductile iron and so on .with hand wheel worm-gear actuator and pneumatic

and electric actuator to be selected ,widely used in the industries of petrochemical, natural gas, metallurgy, 

electric power , pharmaceutical , construction, etc..

With highly qualified professionals and first class service, Shanghai KangQuan Valve Co. Ltd. has

established a highly respected enterprise which has been relied on for years. And we will continuously 

offer customers the most accurate and high quality delivery service possible.

Excellent quality assurance is our sales purpose, 
Competitive price is our sales policy, 
On time product delivery and responsive service is our standard.

Shanghai KangQuan Valve Co. Ltd. hopes to work together with you for a better future. Let’s work 

together building a mutually beneficial relationship that will last for years.