Control valves
المحابس
Every valve that can shut off water to a sprinkler is supervised, so a closed valve shows up on the fire panel before it becomes a problem.
UL / FMUL / FM listedCivil Defense ready
Equipment
What we supply & install
OS&Y gate valve
ISOLATIONSizes2½″ – 12″, flanged
Rating300 psi · UL / FM
UsePump rooms, riser bases
NRS gate valve (buried / PIV)
ISOLATIONSizes2½″ – 12″, flanged
Rating300 psi · UL / FM
UseUnderground mains
Butterfly valve with tamper
ZONE CONTROLSizes2½″ – 12″, grooved / wafer
Rating300 psi · UL / FM
UseZone control on every floor
Swing check valve
BACKFLOWSizes2½″ – 12″
Rating300 psi · UL / FM
UsePump discharge, FDC, risers
Test & drain valve
TESTINGSizes1″ – 2″, threaded
Rating300 psi · UL / FM
UseFlow test at end of each zone
OS&Y · outside stem & yoke
The stem rises as the valve opens, so anyone can see its position from across the room. Standard in pump rooms.
NRS · non-rising stem
The stem turns in place. Used buried with a post indicator showing OPEN / SHUT above ground.
Have drawings or a BOQ?