Product Description – WCB Carbon Steel Flange Butterfly Valve

The WCB carbon steel flange butterfly valve is a rugged and reliable flow control solution, designed for use in engineering projects and municipal water systems. Made from cast WCB carbon steel, this valve offers excellent mechanical strength, pressure resistance, and long-term durability under harsh operating conditions.

With its flanged-end design, the valve provides a secure and stable connection to pipeline systems, making it ideal for large-scale infrastructure, water treatment plants, HVAC networks, and industrial process lines. The streamlined disc design enables low-torque operation and tight shut-off, minimizing energy loss and leakage.

Manufactured by one of China’s top valve suppliers, this valve can be customized to meet specific project requirements, including size, actuation type, and sealing material. Whether installed in a new build or retrofit project, the WCB carbon steel flange butterfly valve delivers dependable performance, corrosion resistance, and easy maintenance for a wide range of fluid control applications.

Performance:

Nominal pressue (MPa)		1.0	1.6
Nominal diameter(mm)		50-2400	50-3200
Test pressure	Shell	1.5	2.4
(MPa)	Seal	1.1	1.76
Applicable temperature		150
Applicable medium		Fresh water, Sewage, Sea water, Air, Vapor, Food, Medicine, Oils, Acids, Alkalis, etc.
Operating mode		manual, worm gear, pneumatic, electric, etc.

Standard:

Design & Manufacture	Flange Connection	Face to Face Dimension	Test & Inspection
MSS SP-67 API609 EN593	DIN PN10/16/25; ANSI B 16.1 BS4504; ISO PN10/16 JIS B 2212/2213 BS 10 table D; BS 10 table E	API609 ISO5752 series 20 BS5155	API 598

Material List:

No.	Part Name	Material
1	Body	Carbon Steel/Stainless Steel/Cast Iron/Ductile Iron/ Al-Bronze
2	Disc	Al-Bronze/CF8M/Ductile iron/WCB
3	Seat	EPDM/PEFE/Buna/NBR/Hypalon
4	Stem	Carbon Steel/Stainless Steel314/Stainless Steel316
5	Bushing	PTFE/Lubricating
6	O ring	EPDM/PEFE/Buna/NBR/Hypalon
7	Pin	SS316/SS416/SS304