Double Door Wafer Check Valve – DH77X-300/VR-232-W
- 🔹 AG Fire Sprinkler’s Double Door Wafer Check Valve is designed to prevent backflow in fire protection and water systems. It ensures efficient one-way flow with minimal pressure loss, featuring a compact wafer design suitable for various piping systems.
- 🔹 Double door wafer design for compact installation
- 🔹 Prevents reverse water flow in fire protection systems
- 🔹 Available Models:
- 🔹 DH77X-300: 300 psi (21 bar)
- 🔹 VR-232-W: 232 psi (16 bar)
- 🔹 Sizes:
- 🔹 2″ (DN50)
- 🔹 2½″ (DN65)
- 🔹 3″ (DN80)
- 🔹 4″ (DN100)
- 🔹 6″ (DN150)
- 🔹 8″ (DN200)
- 🔹 10″ (DN250)
- 🔹 12″ (DN300)
- 🔹 14″ (DN350)
- 🔹 16″ (DN400)
- 🔹 Compact wafer design saves space and simplifies installation
- 🔹 Reduces water hammer and flow turbulence
- 🔹 Low maintenance and high reliability
- 🔹 Ensures efficient flow with minimal pressure drop
- 🔹 Ideal for fire sprinkler systems, HVAC systems, and industrial water pipelines requiring dependable backflow prevention and space-efficient installation.



