The BERMAD model 400Y-4D is an elastomeric, hydraulic line operated deluge valve, designed specifically for advanced fire protection systems and the latest industry standards. The 400Y-4D is activated by a pneumatic relay valve, opening and closing of the valve can be controlled remotely. It is suited for use with corrosive fluids and in freezing temperatures. The valve’s position monitoring device features a visual position indicator that can interface with any fire & gas control system.

Safety and reliability

• Time proven, Simple, fail-safe actuation 
• Single -piece, rugged, elastomeric diaphragm seal – VRSD technology 
• Obstacle-free, uninterrupted flow path 
• No mechanical moving parts 
• Shuts off on remote command 
• Valve position limit switches 
• Local valve position indicator beacon

Designed for fire protection

• Face-to-face length standardized to ISO 5752, EN 588-1 
• Suitable for corrosive fluids and freezing temperatures: pneumatic relay valve 
• Meets the requirements of the industry standards

Quick and easy maintenance

• In-line serviceable 
• Quick cover removal without detaching control trim* 
• Swivel mounted drain valves* 

* not including 1½” & 2” valves

Typical Applications

• Fusible plug loops 
• Automatic water spray systems 
• Foam applications 
• Corrosive water supplies 
• Freezing Environments

• Very high flow efficiency
• Straight-through-flow
• Y-type body
• Approved for PN25 / 365 psi