Ceramic Swing Check Valve

Ceramic swing check valve is a check valve used to prevent pipeline backflow, especially for pipelines that convey corrosive or high solid particle content media such as slurry, ash or chemical mixtures.

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Description

The internal seals and fluid contact parts (valve disc and valve seat) of the ceramic swing check valves we produce are made of high-quality zirconium oxide (ZrO₂) or aluminum oxide (Al₂O₃) ceramics to meet your harsh conveying system working conditions.

If your system handles slurry, solid particles, or aggressive flow conditions, you know that traditional metal check valves often fail prematurely. Our ceramic swing check valve offers a long-lasting solution, purpose-built to prevent backflow in abrasive, erosive, and medium-corrosive applications.

Designed with advanced ceramic technology, this valve is ideal for use in power plants, mineral processing, chemical pipelines, and pneumatic conveying systems — anywhere where flow direction control must be combined with high wear resistance.

Whether you’re a procurement engineer or a systems integrator, we’re ready to support your project with fast response, customization options, competitive price and reliable international shipping.

 

Key Benefits at a Glance

– Advanced Ceramic Internals: The valve disc and seat are lined with high-purity zirconia or alumina ceramic, offering exceptional hardness and resistance to wear, corrosion, and high-velocity erosion.

– One-Way Flow with Secure Shut-Off: The swing-type check mechanism allows free flow in the forward direction and automatically closes when flow reverses, protecting pumps, pipes, and critical equipment.

– Low Pressure Loss, Full Flow Design: Engineered for minimal resistance, the valve provides smooth, unobstructed flow while ensuring reliable backflow prevention.

– High Durability in Harsh Environments: Performs reliably in slurry pipelines, ash handling, and chemical dosing systems where conventional valves wear out quickly.

 

Main Component Materials

Number Name Material Number Name Material Number Name Material
1 Body WCB 4 Rocking Arm Graphite 7 Nut Graphite
2 Stem WCB 5 Washer 8 Washer WCB
3 Disc WCB 6 Stud Q235 9 Bonnet

 

Ceramic Swing Check Valve Size

Main Appearance and Connection Dimensions (Unit: mm)

Size PN L D D1 D2 C H n-Φd
DN In
100 4″ 10 292 220 180 165 22 270 8-18
125 5″ 330 250 210 184 22 280 8-18
150 6″ 356 285 240 211 24 290 8-22
200 8″ 495 340 295 266 24 345 8-22
250 10″ 622 395 350 319 26 412 12-22
300 12″ 698 445 400 370 26 468 12-26
350 14″ 787 505 460 429 30 524 16-26
400 16″ 914 565 515 480 32 524 16-30
100 4″ 16 292 220 180 210 22 270 8-18
125 5″ 330 250 210 240 22 280 8-18
150 6″ 356 285 240 265 24 290 8-22
200 8″ 495 340 295 320 26 345 12-22
250 10″ 622 405 355 370 26 412 12-26
300 12″ 698 460 410 429 26 468 16-26
350 14″ 787 520 470 480 30 524 16-26
400 16″ 914 580 525 480 32 524 16-30

* We are not just providing simple quotes but experts in selection, calculation, and drawing.

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