Cast Steel Dual Plate Check Valve | N2X Process Solutions

The Chaoda Dual Plate Check Valve is designed for optimal performance and built to seal. Featuring a retainerless design and internally secured hinge pins, it eliminates external stem leakage, making it an ideal choice for critical flow control in high-pressure systems. Whether it’s liquid or gas, this valve delivers tight shutoff and rugged reliability.

Brand: Chaoda

Category: Dual Plate Check Valves

Valve Size	2” to 84”
Body	One Piece
Disc	Solid, Duplex Alloy
End Connections	Water, Lug, Double Flanged
Face-to-Face Standard	ASME B16.25
Media Application	Liquid, Gas
Pressure Class Range	ASME 150 - 2500
Pressure Class Standard	ASME B16.34
Seating	Metal-to-Metal
Shut-Off	Retainerless Design
Type	Retainerless Dual Plate Check Valve

Internally retained hinge pin, which eliminates all leak paths from the valve body

Anti-rotation disc feature prevents wear and misalignment

Cast construction allows for complex design and large sizes

Suitable for high-pressure and high-temperature applications

Compact design for inline installation

Quick closing disc with the assistance of auxiliary springs

Reduced water hammer pressures when compared to single disc check valves

Short disc travel allows for less impact forces when the valve is closing, which can correlate to longer service life and high reliability

Disc can be fully opened with lower pressures

Certifications	Canadian Registration Number (CRN)
Design Standards	API 598
	API 594
	ASME B16.5 – Pipe Flanges & Flanged Fittings
	ASME B16.47 – Large Diameter Steel Flanges
	ASME B16.25 – Butt Welding Ends
	ASME SA Materials
	ASME A Materials
Quality	ISO 9001:2015
	ISO 17025:2017

Chaoda Dual Plate Check Brochure

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