Duplex Check Valve

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Nasib Tube Fittings, a reputable manufacturer and supplier based in Amman, Jordan, specializes in high-quality Duplex Check Valves designed for reliable flow control in tough industrial settings. With a keen emphasis on durability, corrosion resistance, and precision engineering, the company delivers Duplex Check Valves that guarantee one-way flow and effectively prevent backflow in essential piping systems. Their products are built to endure harsh media, fluctuating pressures, and corrosive environments, making them perfect for industries that require long-lasting performance and operational dependability.

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These Duplex Check Valves are primarily made from duplex stainless steel, which contains balanced amounts of chromium, nickel, and molybdenum, providing outstanding resistance to pitting, stress corrosion cracking, and erosion. On a mechanical level, these valves boast high tensile strength, remarkable toughness, and excellent fatigue resistance, even when faced with varying pressures and temperatures. Their robust metallurgical structure ensures stability, a long service life, and consistent performance in both chloride-rich and aggressive environments.

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 Amman

At Nasib Tube Fittings, we are the leading supplier, manufacturer, and exporter of Duplex Check Valves in Amman, Jordan. Our advanced manufacturing facilities, strategically located in the Jordan, 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 Amman, Jordan

Nasib Tube Fittings is a leading supplier and stockist of premium Duplex Check Valves in Amman, Jordan. Our products are widely used across various industries, and we are dedicated to delivering exceptional service while ensuring complete customer satisfaction. With our advanced finishing techniques, we differentiate ourselves in the metal industry. We are committed to consistently providing top-quality Duplex Check Valves while efficiently meeting the diverse needs of our clients, ensuring reliability and durability in demanding applications.

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

Duplex Check Valve Uses

Duplex Check Valves find applications across a diverse array of industries that need secure and reliable flow control. They are frequently used in chemical processing systems, desalination plants, offshore and marine applications, as well as oil and gas pipelines where corrosion resistance is crucial. Additionally, these valves are essential in power generation, petrochemical facilities, and water treatment plants. Their capability to prevent reverse flow safeguards pumps, compressors, and sensitive equipment, making Duplex Check Valves vital for ensuring process safety, system efficiency, and uninterrupted operation in critical service environments.