Product Overview
The Swing Check Valve is a widely used non-return valve designed to prevent reverse flow in pipelines.
Featuring a hinged swing disc, the valve opens smoothly under forward flow and closes automatically when the flow reverses.
Its simple structure, low pressure drop, and reliable sealing make it suitable for water systems, industrial pipelines, oil & gas, HVAC, and chemical applications.
Product Advantages
● Reliable Backflow Prevention: Ensures system protection in pump discharge and main pipelines.
● Low Head Loss: Swing design minimizes energy consumption.
● Simple Structure, Easy Maintenance: Few moving parts, long service life.
● Wide Application Range: Suitable for clean water, industrial fluids, oil, gas, and steam.
● Flexible Installation: Works in horizontal and vertical (upflow) piping.
Size Range
● NPS 1/2″ – 24″ / DN15 – DN600
Pressure Rating
● PN10 / PN16 / PN25 / PN40
● Class 150 / Class 300
Standards
● Design Standard: API 594 / EN 16767 / ASME B16.34
● Test Standard: API 598 / EN 12266
● Flange Standard: EN 1092-1 / ASME B16.5
Industry Applications
● Water supply & distribution pipelines
● Oil & gas transmission systems
● Chemical and industrial process lines
● HVAC circulation systems
● Pump discharge protection
● Steam, air, and utility pipelines
Tianjin Dingliu valve Industry Co., Ltd. is a high-tech enterprise specializing in the valve and automation industry.
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