The EMACO Zone Control Valve Assembly is a key component in fire sprinkler systems, providing zone-level water control, monitoring, and testing. Each assembly includes a UL-listed butterfly or gate valve, waterflow switch, pressure gauges, check valve, and test-and-drain device—giving technicians complete control over individual sprinkler zones.
Designed for fast installation and dependable operation, the assembly ensures that each floor or zone functions independently. This reduces downtime during maintenance and delivers precise alarm signaling during fire events.
Key Features:
Ideal for commercial towers, residential complexes, warehouses, shopping centers, industrial plants, and any multi-zone sprinkler layout requiring reliable isolation and monitoring.
A Zone Control Valve Assembly is essential for systems divided into multiple sprinkler zones—commonly used in high-rise buildings and large commercial facilities. By grouping valve, flow detection, and pressure monitoring into one compact structure, it provides full control over each zone without affecting the rest of the system.
The EMACO Zone Control Valve Assembly is engineered to simplify installation and operation. Its modular layout ensures easy access to all components during inspection, maintenance, or troubleshooting. With UL-listed components and precise monitoring features, it delivers reliable performance and accurate alarm activation during emergencies.
Each assembly comes pre-configured and ready to install, reducing field labor and ensuring consistency across every floor or zone.
Control Valve Operation
A UL-listed butterfly or gate valve isolates the sprinkler zone. Technicians can shut off water supply to a single floor or area without interrupting the entire system.
Flow Detection
The vane-type waterflow switch detects water movement when a sprinkler operates. It sends an alarm signal to the fire alarm panel after a preset delay.
Check Valve Function
A check valve prevents backflow into the supply line, ensuring system integrity and stable pressure.
Pressure Monitoring
Two gauges monitor inlet pressure and system-side pressure, helping technicians identify drops, blockages, or pressure imbalances.
Test & Drain Operation
The integrated test-and-drain valve allows technicians to simulate sprinkler discharge and drain system water during maintenance. The sight glass provides instant visual confirmation of water flow.
Alarm Activation
When the test position is opened or a sprinkler operates, the resulting flow triggers the waterflow switch, activating the alarm.
| UL ASSEMBLE MODEL | STANDARD MODEL | BUTTERFLY VALVE | WATER FLOW SWITCH | TEST AND DRAIN VALVE |
| E0141-80 | EN0141-80 | 3’’ (80mm) | 3’’ (80mm) | 1’’ (25mm) |
| E0141-100 | EN0141-100 | 4’’(100mm) | 4’’(100mm) | 1’’ (25mm) |
| E0141-150 | EN0141-150 | 6’’(150mm) | 6’’(150mm) | 2’’(50mm`) |
High-Rise Buildings
Provides zone-by-zone isolation and monitoring for apartments, hotels, offices, and mixed-use towers.
Commercial Complexes
Ideal for malls, supermarkets, and large public spaces with multiple sprinkler zones.
Industrial Facilities
Ensures dependable fire monitoring in factories, production areas, and warehouse sections.
Healthcare & Institutional Buildings
Allows maintenance teams to isolate zones without shutting down critical fire protection systems.
Multi-Tenant Structures
Supports individual tenant sprinkler control, reducing disruptions during renovations or repairs.
Routine Inspection
Inspect the assembly for leaks, damage, or corrosion. Verify valve position indicators and ensure the flow switch is unobstructed.
Flow Switch Testing
Operate the test-and-drain valve to confirm proper flow switch activation and alarm transmission.
Gauge Monitoring
Check both pressure gauges for correct readings. Significant differences may indicate blockages or supply issues.
Valve Exercise
Operate the control valve periodically to prevent stiffness and ensure smooth operation during emergencies.
Cleaning & Component Checks
Ensure the sight glass remains clear, fittings are tight, and seals are intact. Replace worn parts during scheduled servicing.
UL-Listed Components
Each assembly uses UL-certified valves, flow switches, and accessories to ensure high performance and global compliance.
Accurate Zone Monitoring
Dual gauges and a precise waterflow switch provide real-time feedback and dependable alarm activation.
Compact, Pre-Assembled Design
Reduces installation time and complexity by delivering a ready-to-install assembly with all components aligned.
Enhanced System Reliability
Check valve, drain, and supervisory features work together to maintain pressure integrity and prevent failures.
Long-Lasting Construction
High-grade materials, corrosion-resistant coatings, and robust internal components ensure excellent durability even under continuous system pressure.
When properly maintained, the EMACO Zone Control Valve Assembly can provide more than 15 years of reliable service. Its epoxy-coated body, corrosion-resistant internal parts, and durable flow switch ensure long-term performance. Regular inspections and timely replacement of consumable components help extend its expected lifespan significantly.
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