DN40 Ductile Iron Check Valve 150-2500LB Pressure Rating for Urban Water Systems and Construction Applications
- 100% bi-directional tight shut-off capability
- Installation without restriction in direction of flow
- Reduced weight and compact overall dimensions
- Low pressure loss and reduced energy costs
- High Kv/Cv values for optimal flow performance
- Easy to clean and disinfect for potable water systems
- Self-cleaning design prevents residue accumulation
- Excellent corrosion resistance for long service life
| Component | Available Materials |
|---|---|
| Body | Cast Iron, Ductile Iron, Carbon Steel, Stainless Steel, AL-Bronze |
| Disc | Ductile Iron, Carbon Steel, Stainless Steel, AL-Bronze |
| Shaft | Stainless Steel, Monel K500 |
| Seat | BUNA NBR, EPDM, VITON, PTFE, HEPDM, Neoprene, Hypalon, Natural Rubber |
SND has over 20 years of experience in metal goods manufacturing, utilizing advanced techniques including sand casting, lost wax casting, lost foam casting, and precision machining. We work with diverse materials including cast iron, steel, stainless steel, and aluminum, offering comprehensive surface finishing and assembly services.
Our expertise spans multiple industries including automotive, rail transportation, agricultural machinery, chemical processing, energy, electricity, water systems, air compressors, and construction applications.
ISO9001-certified quality control systems ensure consistent and reliable component quality. Comprehensive inspections include spectrometer analysis, ultrasonic testing, magnetic testing, permeability checks, elongation measurements, and tensile/yield strength evaluations.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.