Jassem Tube Fittings is a trusted manufacturer and supplier in Doha, Qatar, offering high-quality Monel K500 Needle Valves designed for precise flow control in highly corrosive and demanding industrial environments. These valves enable accurate regulation of small flow rates while ensuring tight shut-off and long-term reliability. Manufactured with precision machining and strict quality standards, Jassem Tube Fittings delivers needle valves that perform consistently under high pressure, temperature, and corrosive conditions. Monel K500’s superior strength and corrosion resistance make these valves an ideal choice for critical applications requiring safety, accuracy, and long-lasting durability.
Monel K500 Needle Valves are made from a nickel-copper alloy containing approximately 63% nickel, 28–34% copper, with small additions of iron, manganese, and aluminum. The alloy is age-hardened to combine excellent corrosion resistance with high mechanical strength. Mechanically, Monel K500 offers superior tensile and yield strength, excellent toughness, and resistance to fatigue and thermal stress. It maintains structural integrity under high pressure, vibration, and temperature fluctuations, ensuring smooth operation, secure sealing, and reliable performance even in aggressive chemical and marine environments.
| Grade | C | Mn | Si | Cu | Fe | Ni | S |
| K500 | 0.25 max | 1.5 max | 0.5 max | 27.00 – 33.00 | 0.5 – 2 | 63.00 min | 0.010 max |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.44 g/cm3 | 1350 °C (2460 °F) | Psi – 1,60,000 , MPa – 1100 | Psi – 1,15000 , MPa – 790 |
At Jassem Tube Fittings, we are the largest supplier, manufacturer, and exporter of Monel K500 Needle Valve in Doha, Qatar. Our advanced manufacturing facilities, strategically positioned in the Qatar, enable us to deliver high-quality solutions to meet your specific requirements. With a robust inventory of over 16,000 tons of top-grade materials, we are well-equipped to fulfill your needs promptly. Our commitment to excellence and efficiency ensures we always have the available stock to support your demands.
| STANDARD | WNR Material Number | UNS | JIS | GOST | BS | AFNOR | EN |
| K500 | 2.4375 | N05500 |
Contact us to get a quick quote for your requirement.
Jassem Tube Fittings is a leading supplier and stockist of premium Monel K500 Needle Valve in Doha, Qatar. Our products are widely utilized across various industries, and we are committed to delivering exceptional service and ensuring high customer satisfaction. Our distinctive finishing techniques set us apart in the fittings industry. We are dedicated to consistently providing top-quality products while effectively addressing the needs of our customers.
Monel K500 Needle Valves supplied by Jassem Tube Fittings are widely used in oil and gas, petrochemical, chemical processing, and marine industries. They are ideal for precise flow control in instrumentation lines, sampling systems, and high-pressure pipelines handling seawater, acids, or alkalis. These valves are also commonly installed in offshore platforms, refineries, power plants, and desalination units where corrosion resistance and strength are critical. Their durability, accurate flow regulation, and ability to withstand harsh environments make them essential for applications requiring reliable, safe, and long-lasting operation in critical process systems.
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