Product Overview
The Non-Slam Slow-Closing Check Valve is designed to prevent backflow while effectively eliminating water hammer, making it ideal for pump discharge and high-flow pipeline systems.
Its internal damping device + spring-assisted mechanism ensures that the valve closes slowly and smoothly, preventing sudden pressure surges in the pipeline.
Widely used in water supply, sewage treatment, industrial circulation, HVAC systems, and pumping stations, it ensures quiet operation and system stability.
Product Advantages
● Excellent Water Hammer Protection: Slow closure eliminates hydraulic shock.
● Quiet Operation: No slamming noise during pump start/stop cycles.
● Enhanced Pump Protection: Prevents backflow that can damage pump systems.
● Low Maintenance: Simple internal structure with long service life.
● Energy Efficient: Low head loss helps improve system operation efficiency.
Size Range
● DN40 – DN800
Pressure Rating
● PN10 / PN16
Standards
● Design Standard: EN 1074 / EN 12032
● Test Standard: EN 12266
● Flange Standard: EN 1092-2
Industry Applications
● Water supply and distribution pipelines
● Large pump stations and booster systems
● HVAC chilled and hot water loops
● Municipal sewage and wastewater networks
● Industrial circulation and cooling systems
● High-rise building water supply networks
Tianjin Dingliu valve Industry Co., Ltd. is a high-tech enterprise specializing in the valve and automation industry.
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