Home > Stainless Steel > Stainless Steel 321 Ball Valve
Nadia Tube Fittings is a reliable manufacturer and supplier of Stainless Steel 321 Ball Valves based in Kuala Lumpur, Malaysia. They specialize in providing durable and high-performance solutions for flow control in critical industrial systems. These valves feature a quarter-turn mechanism, allowing for quick shutoff and smooth operation, which ensures leak-tight performance whether dealing with liquids or gases. Made from SS 321, a titanium-stabilized austenitic stainless steel, these valves boast excellent resistance to intergranular corrosion, oxidation, and scaling, even at elevated temperatures. With a focus on superior design and compliance with international standards, Nadia Tube Fittings supplies SS 321 Ball Valves to various industries across Malaysia and beyond.
The Stainless Steel 321 Ball Valves are crafted from a blend of chromium and nickel, with titanium added to stabilize the alloy against carbide precipitation during extended exposure to high temperatures. This unique chemical composition enhances their resistance to acids, chlorides, and other corrosive environments, while also ensuring excellent thermal stability. On the mechanical side, these valves provide high tensile and yield strength, outstanding toughness, and reliable performance in high-pressure and high-temperature situations. The precision-engineered ball and seat design guarantees smooth operation, bubble-tight shutoff, and a long service life.
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VALVE SIZE |
1/8″ TO 2″ / 6 MM TO 50 MM |
|
THREAD |
NPT, BSPP, BSPT, JIC, METRIC, UNF |
|
CONNECTION |
THREADED, TUBE END, BUTT WELD, SOCKET WELD, WELD NIPPLE, FLANGED, SAE |
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FUNCTION |
2 WAY, 3 WAY, 4 WAY, 5 WAY, |
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PRESSURE RATING |
1500 PSI, 3000 PSI, 6000 PSI, 10000 PSI, 15000 PSI, 20000 PSI |
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SEAL RING MATERIAL |
PTFE, PVDF, DELRIN, PEEK, GRAPHITE |
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STANDARD |
ISO , DIN , ANSI , API , ASME , AWWA , MSS , |
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MEDIA |
HYDRAULIC OIL, AIR, WATER, GAS, STEAM, HOT WATER , COLD WATER , SEA WATER , CHEMICAL |
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MEDIA TEMPERATURE |
(-120* C TO 500*C )RANGE AS PER PRESSURE |
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BODY TYPE |
BAR STOCK |
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PACKING DETAILS |
BOX PACKING, WOODEN PALLET |
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APPLICATION |
MATERIAL HANDLING EQUIPMENT, EARTH MOVING MACHINERIES , POWER GENERATING PLANT , STEEL MANUFACTURING PLANT , MINING INDUSTRIES , CHEMICAL PROCESSING MACHINES , PIPING LINE , PAINT INDUSTRIES , TRUCKS AND TRAILERS , AUTOMATION , AGRICULTURE MACHINES , AEROSPACE & DEFENCE EQUIPMENTS, |
|
Grade |
Mn |
Si |
C |
S |
Ni |
N |
Other |
P |
Cr |
Mo |
||
|
321 |
minimum.
maximum |
2.00 |
0.75 |
–
0.08 |
0.030 |
9.0
12.0 |
0.10 |
Ti=5(C+N)
0.70 |
0.045 |
17.0
19.0 |
– |
|
|
321H |
minimum.
maximum |
2.00 |
0.75 |
0.04
0.10 |
0.030 |
9.0
12.0 |
– |
Ti=4(C+N)
0.70 |
0.045 |
17.0
19.0 |
– |
|
SS Grade | (% in 50mm) Elongation minimum | 0.2% Proof Yield Strength (MPa) minimum | Strength of Tensile (MPa) minimum | Plate Hardness | |
Brinell (HB) maximum | Rockwell B (HR B) maximum | ||||
321 | 40 | 205 | 515 | 217 | 95 |
321H | 40 | 205 | 515 | 217 | 95 |
Grade | British | Euronorm | UNS No. | SS | JIS | |||
European Standards | British Standards | DIN No | Name | |||||
321 | 58B, 58C | 321S31 | 1.4541 | X6CrNiTi18-10 | S32100 | 2337 | SUS 321 | |
321H | – | 321S51 | 1.4878 | X10CrNiTi18-10 | S32109 | – | SUS 321H | |
Contact us to get a quick quote for your requirement.
These ball valves find extensive use in sectors like oil and gas, chemical processing, petrochemical, marine, power generation, and pharmaceuticals. They are perfect for pipelines, instrumentation systems, and process units where dependable shutoff and flow control are essential. Their capability to perform effectively in high-temperature and corrosive conditions makes them ideal for boiler systems, heat exchangers, and refinery applications. With a combination of durability, corrosion resistance, and operational efficiency, Stainless Steel 321 Ball Valves are a trustworthy choice for demanding industrial flow control systems.
Please feel free to contact us if you need any further information or for enquiry.
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