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Swing Check Valve
  • Swing Check ValveSwing Check Valve

Swing Check Valve

LYV® swing check valves are designed to be robust, reliable, high performing and aesthetically pleasing. We are committed to improving our manufacturing processes and using stringent quality control measures to ensure that our check valves surpass their peers in quality.

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Product Introduction

Our goal is not only to achieve excellence in product quality but also to provide our customers with excellent service and comprehensive technical support. Our professional team is always ready to provide you with customised check valve solutions, no matter what your needs are.Please contact our dedicated sales team to discuss your specific needs, and we will tailor a swing check valve solution that meets your unique requirements.


Size Range: 

NPS 2”-36”; DN50-DN900

Nominal Pressure: 

150LB-2500LB; PN16-PN420

Temperature Range:

-196℃~60℃(depends on design and material)

End Connections: 

Flange; Butt-welded

Body Materials: 


Disc Materials: 


Seat : 

ASTM A105 ;A182-F11 ;A350-LF2

Design & Manufacture Standard: 

API 6D/BS-1868

Face-to-face Standard: 

ASME B16.10

End Connection Standard: 

ASME B16.5/ ASME B16.25

Test & Inspection Standard: 

API 598


■  High Reliability.

■  Simple structure.

■  Energy Efficiency.

■  Reliable sealing.

■  One-way flow.

What is Swing check valve:
swing check valve is a one-way valve consists of a valve body, a valve disc or flap, a valve seat and sealing components. Its purpose is to allow fluid flow in one direction while preventing fluid flow in the opposite direction. Swing check valves are frequently used in piping systems to regulate the direction of fluid flow.

How does it work:
When fluid flows in the intended direction, its pressure opens the valve flap, allowing it to pass through. This opens the way. However, if the fluid tries to flow in the opposite direction, its pressure will cause the valve flap to close and push against the seat, preventing reverse flow..

Why choose LYV®️ valves:
We produce valve for over 30 years. The workshop covers 13000 square meters and own more than 50 advanced CNC machines. Our engineers & production team will make sure your order delivers with high-quality and fastest time. We also care about valve shipping. The valves will wrap by bubble pouches or paper to ensure the paint will not be damaged. We also fixed valve by plywood stick after we put valve into the box. The plywood case will be painted with necessary marking to make sure the valve will not be damaged during shipping.

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