The BERMAD model 400Y-4UH is an elastomeric, hydraulic line pressure operated deluge valve, designed specifically for advanced fire protection systems and the latest industry standards. The 400Y-4UH is activated by a pneumatic relay valve which latches the main valve open until manually reset. It is suitable for systems with open nozzles for water or foam discharge. 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 
• Latches open: remains open until reset locally 
• Valve position limit switches 

Designed for fire protection 

• Face-to-face length standardized to ISO 5752, EN 558-1 
• 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

• Very high flow efficiency
• Straight through Y type body
• Approved for PN25 (365 psi)