Home > Stainless Steel > Stainless Steel 321 Ball Valve
Malik Tube Fittings stands out as a top manufacturer and supplier in Riyadh, Saudi Arabia, proudly offering the Stainless Steel 321 Ball Valve. This valve is expertly crafted for dependable flow control in high-temperature and moderately corrosive industrial settings. Made from high-grade SS321 stainless steel, which is stabilized with titanium, it boasts exceptional resistance to oxidation, thermal creep, and stress corrosion cracking, ensuring a leak-proof and long-lasting performance. With cutting-edge precision manufacturing, Malik Tube Fittings guarantees that their products meet international quality and safety standards. The SS321 Ball Valve is a trusted choice in the petrochemical, chemical, oil & gas, and power generation sectors, providing precise flow regulation, operational safety, and enduring reliability.
The SS321 Ball Valve is built from top-notch stainless steel 321, which offers remarkable resistance to high-temperature oxidation, stress corrosion, and thermal deformation. Its precision-engineered components, including the ball, stem, and body, ensure a tight seal and smooth operation. The seats and seals are made from reinforced PTFE or similar high-performance polymers, delivering leak-proof functionality. Mechanically, this valve showcases impressive tensile and yield strength, outstanding wear resistance, and dimensional stability across varying temperatures and pressures. Designed for longevity, the SS321 Ball Valve guarantees reliable operation, accurate flow control, and extended service life in challenging industrial environments.
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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, |
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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 | |
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Stainless steel 321 Ball valves are widely used in applications requiring high resistance to high temperature oxidation and corrosion. It is commonly used in the petroleum, aerospace, oil and gas, and power industries. These valves are ideal for handling harsh fluids such as acids and corrosive gases due to excellent chemical resistance. The titanium stabilizer in stainless steel 321 increases durable strength under cyclic heating, making the valves suitable for high-temperature pipelines, steam services and process lines involving aggressive media They are also used in food processing and pharmaceutical industry.
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