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.
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