Duplex Check Valve

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Based right here in Canberra, Warner Tube Fittings stands as a trusted Australian manufacturer and supplier, specialising in robust fluid system components. Our Duplex Check Valve is a prime example of local engineering excellence, designed to meet the toughest industrial demands. We understand that reliability is paramount, which is why this valve is built to prevent reverse flow with unwavering certainty, safeguarding your equipment and processes. It’s a product forged from local expertise, ready to deliver dependable performance in critical applications across the region and beyond.

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Crafted from duplex stainless steel, this valve offers a remarkable blend of strength and corrosion resistance. The unique composition provides a mechanical advantage, combining the high tensile strength found in austenitic grades with the superior resistance to stress corrosion cracking of ferritic steels. This results in a component that is not only incredibly durable and able to withstand high pressures, but also exceptionally long-lasting when faced with aggressive media, ensuring a reliable service life that reduces maintenance needs and downtime.

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 Canberra

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

Warner Tube Fittings is a leading supplier and stockist of premium Duplex Check Valves in Canberra, Australia. 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 versatility of the Duplex Check Valve makes it indispensable in numerous demanding settings. It is perfectly suited for handling seawater, various chemicals, and hydrocarbon processing in industries like oil and gas, marine, and petrochemicals. You’ll find it providing critical protection in pump discharge lines, ensuring system integrity and preventing damaging water hammer effects. Its resilience also makes it an excellent choice for industrial water treatment plants and other applications where preventing backflow is essential for both safety and operational continuity.