Duplex Check Valve

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Nadia Tube Fittings is a well-respected manufacturer and supplier of Duplex Check Valves based in Kuala Lumpur, Malaysia. They provide reliable and efficient solutions to prevent backflow in piping and process systems. These valves are crafted with a unique dual-phase microstructure that delivers impressive strength and corrosion resistance, ensuring they perform well even in tough industrial settings. Duplex Check Valves are specifically designed to allow fluid to flow forward while automatically blocking any reverse flow, making them a dependable option for industries in Malaysia that value safety and efficiency.

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The makeup of Duplex Check Valves features a balanced combination of austenite and ferrite phases, enhanced with chromium, molybdenum, and nitrogen. This special alloy offers remarkable resistance to stress corrosion cracking, pitting, and crevice corrosion caused by chlorides. On the mechanical side, Duplex Check Valves boast high tensile strength, excellent toughness, and outstanding fatigue resistance. Their sturdy design and precise manufacturing guarantee leak-proof sealing, reliable operation under high pressure, and a long service life even in harsh 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 Kuala lumpur

At Nadia Tube Fittings, we are the leading supplier, manufacturer, and exporter of Duplex Check Valves in Kuala lumpur, Malaysia. Our advanced manufacturing facilities, strategically located in the Malaysia, 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 Kuala lumpur, Malaysia

Nadia Tube Fittings is a leading supplier and stockist of premium Duplex Check Valves in Kuala lumpur, Malaysia. 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

In Malaysia, Duplex Check Valves are commonly utilized across various sectors, including oil and gas, petrochemical, chemical processing, marine, desalination, and water treatment. They are especially crucial in offshore and coastal operations where exposure to seawater and chlorides is frequent. These valves are vital for ensuring the one-way flow of fluids like oil, gas, steam, and chemicals, protecting pumps, compressors, and pipelines from potential harm. With their exceptional mechanical strength, corrosion resistance, and reliability, Duplex Check Valves are a top choice for Malaysian industries looking for durable flow control solutions.