Alarm test device for a sprinkler system

Apparatus for visually monitoring and controlling the liquid flo

Backflow valve

Backflow valve

Brake bleeder wrench

Check valve

Continuous flow ratio monitor

Control armature inserted in the flow route of a system for tran

Controller

Coolant corrosiveness indicator

Coolant corrosiveness indicator

Coolant corrosiveness indicator

Device for compensating by supplying a measured amount of fluid

Device for determining effects suffered by a flow-controlled...

Device for monitoring and adjusting the temperature of multiple

Diaphragm valve

Dosing valve having seal failure detection

Dual hose

Fail safe shutter for use with a cross-stack monitor

Faucet assembly