Union Check Valve

Product Description: Union Check Valve – Easy-Maintenance Backflow Prevention

Innovative Union Design for Simplified Service

Our Union Check Valve revolutionizes backflow prevention by combining reliable check valve functionality with the convenience of union connections. This dual-purpose design eliminates the need for pipe cutting during maintenance or replacement, saving time and reducing system downtime.

Key Features & Benefits:

✔ True Union Design – Integrated union nuts on both ends for tool-free installation/removal
✔ Dual Mechanism Options – Choose between spring-check (horizontal/vertical flow) or swing-check (horizontal flow only)
✔ Leak-Proof Construction – EPDM union gaskets with stainless steel fasteners
✔ Material Versatility – Available in PVC (chemical resistance), brass (potable water), and stainless steel (high-pressure)
✔ Full Flow Design – Minimal pressure drop for efficient system performance

Technical Specifications:

• Size Range: 1/2″ to 4″ (DN15 to DN100)
• Pressure Rating:

• พีวีซี: 150 PSI @ 73°F

• Brass: 300 PSI @ 180°F

• Stainless Steel: 450 PSI @ 250°F
  • Temperature Range:

• พีวีซี: 32°F to 140°F

• Metal Bodies: -20°F to 250°F
  • End Connections: Female threaded unions (NPT/BSP)
  • Seat Material: EPDM (standard), FKM (high-temp optional)

แอพพลิเคชั่นในอุดมคติ:

✓ Residential & commercial water supply
✓ Irrigation and sprinkler systems
✓ Boiler feed lines
✓ Industrial process piping
✓ Pump discharge protection

Why Choose Our Union Check Valve?
✅ Time-Saving Maintenance – Replace or service without pipe modifications
✅ Reliable Backflow Prevention – Meets ASSE 1018 standards
✅ Universal Installation – Suitable for horizontal and vertical pipes (spring-check version)
✅ Cost-Effective – Reduces labor costs for repairs and replacements

Available with Optional Features:
• Clear PVC body for visual flow inspection
• Tamper-proof union nuts
• Heavy-duty stainless steel springs

Request a quote today for your specific application requirements!