Duplex Check Valve

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Benjamin Tubefittings stands out as a top-notch manufacturer and supplier located in Abuja, Nigeria, specializing in high-quality **Duplex Check Valves** that are built to deliver outstanding strength, corrosion resistance, and reliability in tough industrial settings. These valves are expertly designed to facilitate one-way fluid flow while effectively preventing backflow, which is crucial for safe and efficient system operations. Crafted to meet international quality standards, Benjamin Tubefittings’ **Duplex Check Valves** boast remarkable durability, impressive pressure-handling capabilities, and a long lifespan, making them perfect for industries like chemical processing, marine applications, oil and gas, and power generation, where performance and safety are paramount.

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**Duplex Check Valves** feature a well-balanced microstructure made up of about 50% austenite and 50% ferrite, with a composition that includes chromium (22–25%), nickel (4–6%), and molybdenum (up to 3%). This unique blend offers exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking. The material is known for its high tensile strength (around 620 MPa), excellent toughness, and good weldability. Duplex stainless steel maintains its mechanical integrity and corrosion resistance even in harsh environments rich in chlorides or acids, ensuring reliable performance under challenging conditions.

Duplex Check Valve Specifications

INSTRUMENTATION VALVES MATERIAL	DUPLEX 2205
INSTRUMENTATION VALVES SIZE	6 MM TO 50 MM and 1/8″ TO 2″
PATTERN FLOW	STRAIGHT
THREADS	BSPP, NPT, METRIC, BSPT,UNF, JIC
INSTRUMENTATION VALVES ORIFICE SIZE	2 MM – 40 MM
CONNECTION	SOCKET WELD END, TUBE END, THREADED, FLANGE END
INSTRUMENTATION VALVES BODY SHAPE	HEXAGON
EQUIVALENT BRANDS	PARKER, SWAGELOK, DK-LOK, STAUFF, OLIVER VALVES, HAMLET, HOKE
CRACKING PRESSURE	0.5 BAR
TYPE	SPRING TYPE, POPPET TYPE
RATING PRESSURE	20000 PSI, 1500 PSI, 10000 PSI, 3000 PSI, 6000 PSI, 15,000 PSI
MEDIA TEMPERATURE	(-50* C – 350*C ) AS PER PRESSURE RANGE
MEDIA	SEA WATER , HYDRAULIC AIR, OIL, GAS, WATER, HOT WATER , STEAM, COLD WATER , CHEMICAL
BODY TYPE	FORGED, BAR STOCK
INSTRUMENTATION VALVES PACKING DETAILS	WOODEN PALLET, BOX PACKING

Duplex Check Valve Chemical Composition

ELEMENT	DUPLEX 31803	DUPLEX 2205
C	0.030 max	0.030 max
NI	4.50 – 6.50	4.50 – 6.50
MN	2.00 max	2.00 max
S	0.020 max	0.20 max
FE	63.72 min	63.54 min
P	0.030 max	0.030 max
SI	1.00 max	1.00 max
MO	3.0 – 3.5	2.50 – 3.50
CR	22.0 – 23.0	21.0 – 23.0
N	0.14 – 0.20	0.08 – 0.20

Duplex Check Valve Mechanical Properties

Grade	Hardness(BHN)	UTS (MPa)	YS (MPa)	% Elongation
2205	293 max.	655 min.	450 min.	25 min.
31803	293 max.	620 min.	450 min.	25 min.

Top Duplex Check Valve Manufacturing Company in Abuja

At Benjamin Tube Fittings, we are the leading supplier, manufacturer, and exporter of Duplex Check Valves in Abuja, Nigeria. Our advanced manufacturing facilities, strategically located in the Nigeria, allow us to deliver high-quality, customized solutions tailored to your specific needs. With an extensive inventory of over 16,000 tons of premium-grade duplex stainless steel materials, we are fully equipped to meet your demands efficiently. Our commitment to excellence and efficiency ensures that we consistently maintain sufficient stock to support your business requirements and provide reliable performance in critical applications.

Types of Duplex Check Valve

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Duplex Check Valve Equivalent Grade

STANDARD	UNS	WERKSTOFF NR.
Duplex 2205	UNS S31803 / UNS S32205	1.4462 / 1.4462

Largest Manufacturer and Supplier of Duplex Check Valve in Abuja, Nigeria

These **Duplex Check Valves** are extensively utilized in sectors that demand both corrosion resistance and high mechanical strength. They are particularly well-suited for offshore and marine systems, desalination plants, chemical processing facilities, and oil and gas pipelines. By effectively preventing reverse flow, these valves protect pumps and compressors from potential damage. Their outstanding resistance to seawater, acids, and alkalis makes them ideal for both onshore and offshore applications. With **Duplex Check Valves**, you can count on dependable, maintenance-free performance in tough environments where durability, strength, and safety are absolutely essential.

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

Duplex Check Valve Uses

Duplex Check Valves are widely used in various industries due to their exceptional strength and corrosion resistance. In the oil and gas sector, they prevent backflow and maintain system integrity in pipelines and processing plants. In chemical processing, these valves handle aggressive substances, ensuring safe flow control. They are also utilized in marine applications, providing reliable performance in seawater systems. Additionally, Duplex Check Valves find applications in water treatment facilities, power generation, and other high-pressure environments, where durability and reliability are essential for operational efficiency and safety.