Duplex Check Valve

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Welcome to Mirza Tube Fittings, your trusted partner in Safat for exceptional industrial solutions. We are proud to supply robust Duplex Check Valves, engineered for the most demanding environments in Kuwait. When your operations demand a valve that can handle aggressive media and high pressures with unwavering reliability, our Duplex range stands ready. We provide a critical component that ensures flow is maintained in one direction only, safeguarding your systems with superior performance and a long, dependable service life right here in the heart of the region’s industry.

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The strength of this valve comes from its unique Duplex composition, a blend of chromium, nickel, molybdenum, and nitrogen. This specific recipe gives the material its renowned two-phase microstructure, which results in an outstanding combination of high strength and excellent resistance to corrosion. Mechanically, this means the valve boasts a tensile strength far superior to standard stainless steels, along with impressive resistance to stress corrosion cracking, making it exceptionally tough and durable 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 Safat

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

Mirza Tube Fittings is a leading supplier and stockist of premium Duplex Check Valves in Safat, Kuwait. 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

The applications for this durable valve are extensive, particularly throughout Kuwait’s key industries. You will find it perfectly suited for handling seawater, aggressive chemicals, and high-chloride fluids in demanding offshore and onshore oil and gas operations. It is also ideal for chemical processing plants, water treatment facilities, and desalination units where corrosion is a constant challenge. Essentially, wherever you need to prevent reverse flow in a harsh environment, this valve acts as a dependable guardian for your pipelines and expensive equipment.