LESSO operates in the building material industry, produces various types of pipe and fittings products, including PE water supply, PPR water supply, PVC water supply, PVC drainage, PVC wire pipe and fittings, municipal pipelines, and power communication pipes, etc.
RETURN
ZSJZ-type water flow indicator is a kind of alarm equipment which converts water flow signal to electric signal in the automatic sprinkler system. It is usually installed on the horizontal pipe, and used to detect the system operation condition and show the fire area. It can be used for the systems such as wet-type, dry-type and preaction.
Product standards: GB5135.7-2003 Automatic sprinkler
system-Part 7: water flow indicator.
MAIN TECHNICAL PARAMETERS
Maximum working pressure: 1.2MPa
Sensitivity: 15.0 L/min＜Alarm flow≤37.5 L/min
Contact capacity: AC 220V 1A, DC 24V 0.5A
Contact output: A pair of normally open contacts and a pair of normally closed contacts
