4″ DI BUTTERFLY VALVE GRVD WITH TAMPER SWITCH

The 4 inch di butterfly valve grvd with tamper switch mech is a high-performance fire protection valve designed for sectional control in automatic sprinkler systems. this valve is both ul listed and fm approved, ensuring it meets rigorous safety and durability standards for fire suppression service. the grooved ends (grvd) allow for rapid and secure installation on schedule 40 piping using standard mechanical couplings.
This valve is equipped with a heavy-duty gear operator and an integrated supervisory tamper switch. the dual-switch configuration enables seamless connection to a fire alarm control panel, providing an immediate signal if the valve is closed or tampered with. featuring a ductile iron disc encapsulated in high-grade epdm rubber, this valve provides a bubble-tight seal and excellent flow characteristics for commercial and industrial fire protection mains.

Technical Specification

Nominal Size: 4 inch (dn100)
Material: ductile iron (di) astm a536
Approvals: ul listed / fm approved
Valve Type: butterfly valve (gear operated)
Monitoring: integrated dual tamper switches
Connection: grooved ends (grvd)
Working Pressure: 300 psi (21 bar)
Finish: red fusion bonded epoxy (fbe)