Table Of Content
Duplex Valve Sizes
Duplex Ball Valve Pressure Class
Duplex Butterfly Valves American Standard
Duplex Check Valve Brand Name
Duplex Gate Valve Manufacturing Process
Duplex Steel Valves Bore Types
Duplex 2205 Valve Flow Pattern
Duplex 2205 Butterfly Valve Function
Components of Duplex 2205 Ball Valve
Functoin Types of Duplex Stainless Steel Valve
Duplex Steel Valve End Connection
Seal Material of Duplex Valve
Duplex Ball Valve Environment
Testing & Method of Duplex Butterfly Valves
Logistics of Duplex Check Valve
Duplex Gate Valve Origin
Grades of Duplex Stainless Steel Valve
Duplex Ball Valve Applications
Oil Refining
Fertilizer
Pulp & Paper Industry
Petrochemical Engineering
Heat Exchanger and Condensator
Seawater Desalination Plants
Duplex Ball Valve Pressure Rating
| NPS | Psig | Bar |
|---|---|---|
| 6 inch | 300 | 21 |
| 4-5 inch | 500 | 34 |
| 3 inch | 600 | 41 |
| 2 inch | 800 | 55 |
| 1/2 – 1-1/2 inch | 1000 | 69 |
Duplex Butterfly Valves Castings and Forgings Grades
| Grades | Castings Grades | Forgings Grades |
| Duplex Valve | ASTM A890 4A ASTM A995 4A/CD3MN |
ASTM A182 F51 |
Suitable Medium for Duplex Check Valve
DupleDuplex 2205 Butterfly Valve Operation
Seat Materials Options for Duplex 2205 Ball Valve
Duplex Check Valve Heat Resistance
Heat resistance of Duplex check valve is 300ºC at solution annealing.
UNS (North America)
WNR (Russia)
Duplex 2205 Valve Chemical Composition
C
Carbon
F51 = 0.030
F60 = 0.030
S
Sulphur
F51 = 0.020
F60 = 0.020
Ni
Nickel
F51 = 4.50 to 6.50
F60 = 4.50 to 6.50
Si
Silicon
F51 = 1.00
F60 = 1.00
Mn
Manganese
F51 = 2.00
F60 = 2.00
Fe
Iron
F51 = 63.72
F60 = 63.54
Cr
Chromium
F51 = 22 to 23
F60 = 21 to 23
Mo
Molybdenum
F51 = 3. to 3.5
F60 = 2.50 to 3.50
Duplex Stainless Steel Valve Mechanical Properties
Types of Duplex Valve for Marine Environments
Duplex Ball Valve
Duplex Steel Instrumentation Ball Valve
Duplex 2205 Angle Valve
2205 Duplex Gate Valve
Duplex Stainless Steel Globe Valve
SAF 2205 Butterfly Valve
ASTM A182 F51 Check Valve
UNS S32205 Needle Valve
ASTM A182 F60 Plug Valve
Duplex SS Diaphragm Valve
Duplex Steel Solenoid Valve
Duplex 2205 Manifold Valve