Wet Alarm & Check Valves Model H

  • 🔹 The AG Sprinkler Model H-1, H-2, and H-3 Fully Assembled Alarm Check Valves are designed for wet pipe fire sprinkler systems. These valves serve a dual function — preventing reverse water flow (non-return) and enabling hydraulic fire alarm activation without electrical power. The inclusion of a hydraulic retard chamber provides a time delay to avoid false alarms from pressure fluctuations.
  • 🔹 Dual-function design: non-return valve and hydraulic alarm activation
  • 🔹 Hydraulic retard chamber for time delay and false alarm prevention
  • 🔹 Operates without electrical power supply
  • 🔹 Available Models:
  • 🔹 H-1 – Flange / Flange
  • 🔹 H-2 – Groove / Groove
  • 🔹 H-3 – Flange / Groove
  • 🔹 Sizes:
  • 🔹 3″ (80mm)
  • 🔹 4″ (100mm)
  • 🔹 6″ (150mm)
  • 🔹 8″ (200mm)
  • 🔹 Working Pressure: 175 psi (12 bar)
  • 🔹 Ensures reliable performance in wet sprinkler systems
  • 🔹 Eliminates false alarms due to water pressure variations
  • 🔹 Easy integration into standard wet pipe system configurations
  • 🔹 Operates hydraulically, independent of electrical supply
  • 🔹 Ideal for wet pipe sprinkler systems in commercial, industrial, and residential buildings where hydraulic alarm activation and non-return functionality are required.
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