100mm Swing Check Valve
Product Introduction
100MM Swing Check Valve utilizes fluid dynamics for fail-safe directional control. Its precision-balanced disc operates without external power, closing securely under backpressure conditions. The ductile iron body provides structural resilience for water-based industrial and commercial applications. Optimized hinge geometry ensures smooth performance across varying flow rates while minimizing wear. Compatible with common flange standards for straightforward retrofitting. Critical infrastructure for drainage systems, water treatment facilities, and liquid transfer operations requiring automatic flow regulation.
Product Parameter
Product Name:100MM Swing Check Valve
Main Material:Ductile Iron(Cast Iron)
Working Temperature:0℃ to 80℃(32℉ to 176℉ )
Size:2Inch,2.5Inch,3Inch,4Inch,5Inch,6Inch,8Inch,10Inch,12Inch
Pressure Rating:1.0Mpa/1.6Mpa/2.5Mpa
Working Medium:Water/Sewage
Color:Blue/Red
Applications:Used both vertically and horizontally;Used in one-way flow pipeline to prevent the water from back flow
Product Material
Body
Ductile Iron,QT450-10
01
Crossbar/Stem
Stainless Steel 304
02
Disc
Ductile Iron covered by EPDM
03
Seal
NBR
04
Bolt
Stainless Steel 304
05
Product Features
Spatial Compatibility
Horizontal = standard configuration; vertical = conditional (dependent on flow vector)
Streamlined Conduct
Engineered passages maintain flow continuity
Water Hammer Management
Velocity-sensitive retardation mechanisms
Sealing Integrity
Metal-to-metal seating surfaces; supplementary sealing boosters available
Reliability Focus
Proven durability in continuous service environments
Cross-Sector Adoption
Chemical processing, HVAC, and municipal infrastructure
FAQ
Q1:What makes your check valves different from cheaper alternatives?
We use premium-grade cast iron with precision-machined seats for leak-proof performance. Each valve undergoes 3-stage pressure testing (shell, seat, operational) before shipping, ensuring reliable backflow prevention.
Q2:Will this valve work for vertical pipe installation?
Yes, our swing check valves function in both horizontal and vertical upward flow orientations. Avoid downward vertical installation as gravity may prevent proper disc closure.
Q3: How long can I typically expect a swing check valve to last?
Service life varies significantly based on application conditions like fluid type, operating frequency, and presence of abrasives. In clean water service with stable flow, these valves can operate reliably for decades. More demanding services with corrosive fluids, solids in suspension, or frequent cycling will naturally reduce lifespan. Proper selection, correct installation, and basic preventative maintenance are the biggest factors in maximizing longevity.
Q4: If I need to replace an old valve, what information is most important?
Crucial information includes the pipe size (diameter), pressure rating (Class or PN), material specification (e.g., ductile iron), end connection type (e.g., flanged), and the specific fluid/service it handles. Photos, existing manufacturer nameplates, and noting any historical performance issues (like leakage or noise) are also extremely helpful for ensuring a proper replacement.
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