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Duplex Check Valve

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A leading Duplex Check Valve Manufacturer in Canada allowing the flow of the fluid in one direction and preventing any reverse flow of the axial fluid. What is unique about the duplex check valve is its bi-directional design with usually two distinct check mechanisms or one central pathway. Such design is advantageous mainly due to the possibility of servicing and inspection without interrupting the flow of the liquid.

This usually contains a round disk that turns at an angle on the shaft, which regulates flow in pipelines. When you hear the word "duplex" it usually means that there are two off-set shafts, which should provide for improved sealing and ability to handle higher pressure differentials than a reducing valve. To switch the flow in one direction or another, we rotate a disc to certain angle and regulate whether it opens the passage for massive waterflow

Benefits of Duplex Check Valves:
With two parallel check mechanisms, one can usually be serviced without taking the entire valve offline, leading to reduced downtime and maintenance costs.
A leading Duplex Check Valve Manufacturer in Canada effectively prevents backflow of fluids, ensuring that processes remain uninterrupted, and systems operate safely.
The redundancy provided by the two check valves enhances overall reliability, ensuring that even if one check mechanism fails, the other can still function.
Duplex check valves allow for continuous operation of systems, which is crucial in many industrial processes.

Industries and Applications:
Used to prevent backflow in sewage and water supply systems to protect drinking water sources.
Essential in pipelines and refineries to prevent backflow and protect equipment from reverse flow.
Used in the transportation of chemicals to prevent contamination and ensure safety.
Common in steam and cooling water systems in power plants to maintain system integrity and efficiency.
Employed in heating, cooling, and ventilation systems to prevent backflow of fluids.

Duplex Dual Plate Check Valve

Duplex Dual Plate Check Valve

Duplex Dual Plate Check Valve Body: Duplex Stainless Steel( A890/A995 5A CE3MN, A890 1C CD3MCuN, A890/A995 4A CD3MN, A890 1A/A995 3A CD6MN, A890/A995 2A CE8MN, A890/A995 1B CD4MCuN) Disc: Duplex Stainless Steel( A890/A995 5A CE3MN, A890 1C CD3MCuN, A890/A995 4A CD3MN, A890 1A/A995 3A CD6MN, A890/A995 2A CE8MN, A890/A995 1B CD4MCuN) Spring: Stainless Steel Stem: Stainless Steel Seat: EPDM, VITON, NBR Nominal Diameter: DN50 to DN600 Nominal Pressure: Class150 to Class2500, PN16 to PN64 Dimensions Unit: mm Class150 DN L D D3 D2 50 60 103 51 58 65 67 122 65 73 80 73 135 80 88 100 73 173 102 108 125 86 195 127 132 150 98 220 152 160 200 127 277 203 210 250 146 337 254 265 300 181 407 305 310 350 184 448 350 355 400 191 512 400 405 450 203 547 450 455 500 219 604 500 505 600 222 715 600 605

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Duplex Swing Check Valve

Duplex Swing Check Valve

Duplex Swing Check Valve Body: Duplex Stainless Steel (A890/A995 1B CD4MCuN, A890/A995 2A CE8MN, A890 1A/A995 3A CD6MN, A890/A995 4A CD3MN, A890 1C CD3MCuN, A890/A995 5A CE3MN) Disc: Duplex Stainless Steel (A890/A995 1B CD4MCuN, A890/A995 2A CE8MN, A890 1A/A995 3A CD6MN, A890/A995 4A CD3MN, A890 1C CD3MCuN, A890/A995 5A CE3MN) Trim: Stainless Steel Seat: EPDM, VITON, Metal Seated Gland Packing: Graphite, PTFE End Connection: Flanged, Socketweld, Buttweld Nominal Diameter: DN40 to DN600 Nominal Pressure: PN10 to PN63, Class150 to Class300 Dimensions Unit: mm PN16 DN L H 40 180 129 50 200 147 65 240 161 80 260 178 100 300 190 125 350 265 150 400 285 200 500 345 250 600 394 300 700 420 350 800 455 400 900 520 450 1000 565 500 1100 610 600 1300 740  

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