Super Duplex Check Valve

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Jassem Tube Fittings is a trusted manufacturer and supplier based in Doha, Qatar, offering high-performance Super Duplex Check Valves designed for demanding industrial environments. These valves are engineered to allow smooth, one-directional flow while preventing backflow, ensuring system safety and efficiency. With a strong focus on quality, precision machining, and international standards, Jassem Tube Fittings delivers valves that perform reliably under high pressure, extreme temperatures, and corrosive conditions. Their Super Duplex Check Valves are valued for long service life, minimal maintenance, and consistent performance across critical oil, gas, and process industries.

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Super Duplex Check Valves are manufactured using super duplex stainless steel, typically containing high levels of chromium, nickel, molybdenum, and nitrogen. This balanced chemical composition creates a dual austenitic-ferritic microstructure, delivering excellent strength and corrosion resistance. Mechanically, the material offers high tensile and yield strength, outstanding toughness, and superior resistance to pitting, crevice corrosion, and stress corrosion cracking. These properties make the valve highly reliable under high pressure, fluctuating loads, and aggressive chemical or marine environments.

Super Duplex Check Valve Specifications

CONNECTION	SOCKET WELD END, TUBE END, THREADED, FLANGE END
INSTRUMENTATION VALVES SIZE	6 MM TO 50 MM and 1/8″ TO 2″
THREADS	BSPP, NPT, METRIC, BSPT,UNF, JIC
INSTRUMENTATION VALVES BODY SHAPE	HEXAGON
PATTERN FLOW	STRAIGHT
INSTRUMENTATION VALVES ORIFICE SIZE	2 MM – 40 MM
EQUIVALENT BRANDS	PARKER, SWAGELOK, DK-LOK, STAUFF, OLIVER VALVES, HAMLET, HOKE
RATING PRESSURE	20000 PSI, 1500 PSI, 10000 PSI, 3000 PSI, 6000 PSI, 15,000 PSI
CRACKING PRESSURE	0.5 BAR
TYPE	SPRING TYPE, POPPET TYPE
INSTRUMENTATION VALVES MATERIAL	SUPER DUPLEX
MEDIA	SEA WATER , HYDRAULIC AIR, OIL, GAS, WATER, HOT WATER , STEAM, COLD WATER , CHEMICAL
BODY TYPE	FORGED, BAR STOCK
MEDIA TEMPERATURE	(-50* C – 350*C ) AS PER PRESSURE RANGE
INSTRUMENTATION VALVES PACKING DETAILS	WOODEN PALLET, BOX PACKING

Super Duplex Check Valve Chemical Composition

Mn	C	Fe	P	Si	Cr	S	Ni	Mo	N
1.20 max	0.030 max	58.095 min	0.035 max	0.80 max	24.00 – 26.00	0.020 max	6.00 – 8.00	3.00 – 5.00	0.24 – 0.32
1.00 max	0.05 max	57.61 min	0.030 max	1.00 max	24.00 – 26.00	0.010 max	6.00 – 8.00	3.00 – 4.00	0.20 – 0.30

Super Duplex Check Valve Mechanical Properties

Melting Point (°F)	Melting Point (°C)	Density (g/cm 3)	Density (lb/in 3)
2460	1350	7.8	0.0281

Top Super Duplex Check Valve Manufacturing Company in Doha

At Jassem Tube Fittings, we are the leading supplier, manufacturer, and exporter of Super Duplex Check Valves in Doha, Qatar. Our advanced manufacturing facilities, strategically located in the Qatar, allow us to deliver high-quality, customized solutions that meet your specific requirements. With an extensive inventory of over 16,000 tons of premium-grade Super Duplex materials, we are fully equipped to meet your demands efficiently. Our commitment to excellence and operational efficiency ensures that we consistently maintain sufficient stock to support your business needs, providing reliable solutions for demanding applications.

Types of Super Duplex Check Valve

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Super Duplex Check Valve Equivalent Grade

STANDARD	WERKSTOFF NR.	UNS
Super Duplex 2507	1.4410	S32750 / S32760

Largest Manufacturer and Supplier of Super Duplex Check Valve in Doha, Qatar

Jassem Tube Fittings is a leading supplier and stockist of premium Super Duplex Check Valves in Doha, Qatar. Our products are widely utilized across various industries, and we are dedicated to delivering exceptional service while ensuring complete customer satisfaction. With our advanced finishing techniques, we stand out in the metal industry. We are committed to consistently providing top-quality Super Duplex Check Valves while efficiently meeting the diverse needs of our clients, ensuring reliability and durability in challenging applications.

We offer These Products as per DIN, ISO, JIS or ANSI Standard.

Super Duplex Check Valve Uses

Super Duplex Check Valves supplied by Jassem Tube Fittings are widely used in industries where safety, durability, and corrosion resistance are essential. They are commonly installed in oil and gas pipelines, offshore platforms, petrochemical plants, desalination units, and chemical processing systems. These valves perform exceptionally well in seawater, sour gas, and chloride-rich environments. They are also used in power generation, water treatment, and marine applications to prevent reverse flow and protect pumps and equipment, ensuring smooth operation and extended system lifespan.