FFA-WMA-1 Water Motor Alarm

FFA-WMA-1 Water Motor Alarm

Description

WMA-1 Water Motor Alarm – Mechanical Sprinkler System Flow Alarm

The WMA-1 Water Motor Alarm is a reliable mechanical alarm device designed for use with automatic sprinkler systems to provide an audible warning when water flow occurs during sprinkler system activation. It operates using water pressure from the sprinkler alarm line to generate a local alarm signal, helping improve awareness of fire protection system operation.

Manufactured with durable, corrosion-resistant components, the WMA-1 Water Motor Alarm is designed for dependable performance in commercial, industrial, and building fire protection applications. Its mechanical operation provides a simple and effective alarm solution without requiring an external electrical power source.

The device is suitable for installation with compatible sprinkler system alarm valves and piping arrangements, providing an important local notification function for fire protection systems.

Key Features:

  • Mechanical water-driven alarm for sprinkler systems
  • Provides audible notification during water flow conditions
  • Operates using sprinkler system water pressure
  • Durable corrosion-resistant construction
  • No external electrical power required for operation
  • Compatible with approved sprinkler alarm assemblies
  • Suitable for commercial and industrial fire protection applications
  • Supports reliable local alarm notification

 

Applications:

  • Automatic sprinkler systems
  • Alarm check valve assemblies
  • Fire protection riser systems
  • Commercial buildings
  • Industrial facilities
  • Warehouses and storage areas
  • Fire safety water networks

 

Technical Highlights:

  • Sound output depends on the specific model configuration
  • Connection requirements vary according to sprinkler system design
  • Operating pressure and flow requirements depend on manufacturer specifications
  • Certification approvals should be verified for the exact WMA-1 model

Technical Specification

Specification Details
Model WMA-1
Type Hydraulically Operated Mechanical Sprinkler Alarm
Application Local audible alarm for fire protection system waterflow-detection valves
Compatible Systems Alarm check, dry pipe, deluge and preaction valve systems
Material Corrosion-resistant aluminum alloy gong, gong mount and water motor housing
Connection ¾-inch (20 mm)
Alarm Line Strainer Approved ¾-inch (20 mm) Y-strainer supplied
Operation Hydraulic water flow drives an impeller and striker mechanism to sound the gong
Function Provides a local audible alarm when water flows through the water motor alarm
Pressure Rating 300 psi (20.7 bar)
Mounting Must be mounted to a rigid wall surface
Approvals UL and C-UL Listed; FM, VdS and LPCB Approved