Duplex Butterfly Valves

Superior Duplex Steel Butterfly Valves

Offering the perfect balance of high strength and extreme corrosion resistance. Engineered to withstand chloride stress and pitting where standard stainless steel fails.

Reliable, Durable, and ISO Certified.

Description

Duplex Butterfly Valves Application

Duplex butterfly valves mainly apply in the neutral chloride medium. The valves widely apply in the oil refining industry, the petrochemical industry and the chemical industry, the petroleum and the gas industry, the paper pulp and the paper industry, the chemical fertilizer industry (urea industry, phosphate fertilizer industry), professions and so on food and drugs manufacture industry. It substitutes the austenite stainless steel valve, the application is day by day widespread.

Duplex Butterfly Valves Structure (Duplex2205 double offset butterfly valve for example）

No.	Parts	Material
1	Gasket	PTFE
2	Split ring	A182 F51
3	Stem	A182 F51
4	Screw	A182 F51
5	Seat	PTFE/RPTFE
6	Disc	A890 4A
7	Pin	A182 F51
8	Seat retainer	A890 4A
9	Body	A890 4A
10	Bearing	PEEK
11	Packing	PTFE
12	Gland bushing	A182 F51
13	Double-end bolt	A193 B8M
14	Hexagon nut	A194 8M
15	Bracket	A351 CF8M
16	Key	UNS G10450
17	Gearbox device	CF8M / WCB

Key Features of Duplex Butterfly Valves

Since there are a variety of applications of duplex butterfly valves, why are they popular among all the valves. Here is a list of the main features of duplex butterfly valves for you to explore the reasons.

With a narrow profile, duplex butterfly valves can move without separating pipe system parts.
Duplex butterfly valves are able to throttle flow and numerous actuation methods are available.
Numerous actuation methods are available by duplex butterfly valves.
In large diameters, duplex butterfly valves have full stainless-steel bodies which are lightweight and corrosion-resistance.