The William Eagles In-Line Pressure Reducer is engineered to regulate and control water pressure, ensuring safe and efficient operation in firefighting, industrial, and marine applications. Manufactured in accordance with BS 336, this device helps prevent excessive pressure buildup, protecting hoses, pumps, and connected equipment from damage while maintaining consistent and controlled water flow.

The P379 In-Line Pressure Reducer is a non-regulating pressure control device designed to reduce incoming water pressure to a safe level, protecting hoses, nozzles, and connected equipment. Manufactured from high-quality bronze, this unit offers exceptional durability, corrosion resistance, and reliability in firefighting, industrial, and marine applications. Compliant with BS 336, it ensures full compatibility with British Standard hose and coupling systems.

Max Inlet Pressure:	16 bar
Inlet Sizes:	2½" BS 336 INST. MALE
Outlet Sizes:	2½" BS 336 INST. FEMALE
Material Options:	LG2 (CC491K) / LG4 (CC492K)

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Key Features

Fully compatible with British Standard firefighting and industrial hose systems, ensuring seamless integration.

Key Features

Reduces water pressure to a preset level without adjustable control, ensuring consistent and safe flow.

Key Features

Provides superior corrosion resistance and long-term durability, making it ideal for harsh environments.

Key Features

Engineered to withstand demanding applications, maintaining efficient water flow while minimising water loss.

Key Features

Allows for quick and secure connection to hoses and fittings, enhancing operational efficiency.

Key Features

Suitable for firefighting, industrial water distribution, marine operations, and high-pressure systems, offering reliable pressure management.

Fire protection valves are essential components in fire suppression systems, controlling water, foam, or gas flow to ensure effective firefighting in emergencies.

Common types include deluge valves, pressure-reducing valves, alarm check valves, butterfly valves, gate valves, and ball valves, each serving different roles in fire suppression.

A deluge valve is used in systems that require a rapid and simultaneous water discharge, such as in high-hazard areas. It opens when triggered by a fire detection system.

Alarm check valves prevent backflow and maintain water pressure in a sprinkler system. They also activate an alarm when the system detects water flow due to an open sprinkler head.

These valves regulate water pressure in fire suppression systems, ensuring that sprinklers, hose reels, and hydrants receive water at the correct pressure to operate effectively.

Regular inspection, lubrication, pressure testing, and cleaning are essential. It's also important to check for leaks, corrosion, and mechanical damage.

Butterfly valves are compact and quick to operate, often used for flow control and isolation in fire sprinkler systems.
Gate valves offer a full flow opening and are commonly used in fire hydrant systems.

NFPA standards recommend weekly, monthly, or annual inspections, depending on the valve type and system requirements. Professional servicing should be done at least once a year.

Yes! Different valves are designed for wet pipe (always filled with water) and dry pipe (air-filled, activated by heat) systems. Deluge and pre-action valves are also common in dry systems.

A pre-action valve is used in pre-action fire sprinkler systems, requiring a trigger (heat or smoke detection) before allowing water into the pipes. This reduces the risk of accidental discharge.

Most are made from ductile iron, brass, bronze, or stainless steel to withstand high pressures, extreme temperatures, and corrosion.

Consider factors like system type, pressure requirements, fire hazard level, and compliance with NFPA/UL/FM standards. Consulting a fire protection specialist is always recommended.

Please feel free to request information and advice using the form below or call us on 0151 547 1221

William Eagles In-Line Pressure Reducer