77MO/M Manually Operated Monitor Valve
Manually operated monitor valve is used with fire-fighting monitors to control water flow in the line and manage the system during operation. Model 77MO/M is a robust, dependable option for fire-water applications where on-site operator control is required.
The valve controls water supply to the fire monitor, supporting safe operation and practical control during emergency response. Typical uses include industrial plants, filling areas, tank farms, ports and outdoor fire protection systems.
The GGG50 ductile iron body is designed for demanding service. A flanged connection provides secure installation in fire protection pipework. The valve is rated for a maximum operating pressure of 300 psi / 21 bar and a maximum operating temperature of 80°C.
Some valves simply open. This model keeps control in the operator’s hands on site, making it a clear, dependable choice for directional fire monitor systems.




















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