Super Duplex Check Valve

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Anwar Tubefittings is a reputable manufacturer and supplier of **Super Duplex Check Valves** based in Manama, Bahrain. They specialize in providing high-performance solutions tailored for industries that operate under extreme conditions. These check valves are designed to facilitate unidirectional flow while effectively preventing backflow, ensuring exceptional durability, leak-tight performance, and resistance to corrosion even in the harshest environments. Crafted to meet international quality standards, Anwar Tubefittings’ Super Duplex Check Valves guarantee reliable operation in critical applications, blending strength, precision, and a long service life. The company’s dedication to excellence means clients across Bahrain and the Middle East can count on dependable fluid control solutions.

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Super Duplex Check Valves are primarily composed of a unique alloy, typically containing around 25% chromium, 6-8% nickel, and 3-5% molybdenum, along with trace elements such as nitrogen. This composition provides exceptional mechanical properties, including high tensile strength (up to 800 MPa) and excellent resistance to pitting and stress corrosion cracking. The advantages of Super Duplex Check Valves include outstanding durability, superior corrosion resistance in harsh environments, and the ability to withstand high pressures and temperatures. These features make them ideal for applications in oil and gas, chemical processing, and marine industries.

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 Manama

The Super Duplex Check Valves are made from top-quality super duplex stainless steels, like **S32750 / S32760**, which feature a unique blend of high chromium, nickel, and molybdenum content, along with nitrogen, to provide outstanding corrosion resistance and mechanical strength. These materials excel in resisting pitting, crevice corrosion, and stress corrosion cracking, especially in environments rich in chlorides or aggressive chemicals. On a mechanical level, the valves boast impressive tensile and yield strength, remarkable toughness, and long-lasting fatigue resistance. Their duplex microstructure ensures stability even under high pressures, elevated temperatures, and varying operating conditions.

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 Manama, Bahrain

Super Duplex Check Valves find extensive use in industries that demand reliable backflow prevention and superior corrosion resistance. This includes sectors like offshore oil and gas, petrochemical processing, chemical plants, desalination facilities, and power generation units. They are particularly well-suited for managing seawater, aggressive chemicals, and high-pressure fluids, ensuring safe and uninterrupted flow. With their sturdy construction, extended service life, and ability to withstand harsh operating environments, these check valves are vital for maintaining efficiency, safety, and reliability in critical industrial systems.

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

Super Duplex Check Valve Uses

Super Duplex Check Valves are widely used in industries that require reliable performance in corrosive and high-pressure environments. They are commonly found in oil and gas applications, where they prevent backflow and ensure the integrity of pipelines. In chemical processing, these valves handle aggressive substances, maintaining safe flow control. Their excellent resistance to pitting and stress corrosion makes them ideal for marine applications, particularly in seawater systems. Additionally, Super Duplex Check Valves are utilized in power generation and water treatment facilities, providing durability and efficiency in demanding operational conditions.