Duplex A182 F51 BALL VALVE 300lb 2X11/2inch RB API6D
Key Specifications / Features
Model No.: Hits: 11
JONLOO company manufacture ball valves in duplex stainless steel, particularly for use in desalination and sea-water-related processes.
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Detail Information
ASTM A182 F51 Ball Valve is made of ASTM A182 F51 (UNS S31803) that is a forging material specification for improved corrosion resistance.The ball valve body and trim are all made of ASTM A182 F51.
ASTM A182 F51 is a mixed microstructure of austenitic and ferrite. It has improved strength over ferritic and austenitic steel grades with similar corrosion resistance qualities.
ASTM A182 F51 Ball Valve Specifications
| Part Name | Body/Bonnet | Bolting | Stem | Ball | Seat | Spring |
| Material | ASTM A182 F51 | A193 B8M/A194 8M | ASTM A182 F51 | ASTM A182 F51 | RPTFE, Devlon, PEEK, etc. | Inconel 725 |
ASTM A182 F51 Ball Valve Test Pressure
| Test Type | Test Fluid | Test Pressure (bar) | |||||
| Class 150 | Class 300 | Class 600 | Class 900 | Class 1500 | Class 2500 | ||
| Shell Test | Water | 30 | 77.55 | 155.10 | 232.65 | 38.79 | 64.64 |
| High Pressure Seat Test | Water | 22 | 56.87 | 113.74 | 170.61 | 284.46 | 47.40 |
| Low Pressure Seat Test | Air | 6 | 6 | 6 | 6 | 6 | 6 |
A182 F51 Chemical Composition, %
| ASTM | UNS Designation | C | Mn | P | S | Si | Ni | Cr | Mo | Co | Ti | Other |
| A182 F 51 | S31803 | 0.030 | 2.00 | 0.030 | 0.020 | 1.00 | 4.5–6.5 | 21.0–23.0 | 2.5–3.5 ... | ... | N 0.08–0.20 |
Tensile and Hardness Requirement
| Grade | Tensile Strength, min, ksi [MPa] | Yield Strength, min, ksi [MPa]B | Elongation in 2 in. [50 mm] or 4D, min, % | Reduction of Area, min, % | Brinell Hardness Number, HBW, unless otherwise indicated |
| F51 | 90 [620]C | 65 [450] | 25 | 45 | . . . |
Where ellipses appear in this table, there is no requirement and the test for the value need neither be performed nor a value reported.
