1.Description

The water motor alarm is a water-driven all-weather sound alarm facility that works without sparks and can be used in explosion-proof places.

Product standard: GB5135.2 "Automatic sprinkler system Part 2: Wet alarm valve, retarder, hydraulic bell"

Design Specification: GB50084 "Design Specification for Automatic Sprinkler System"

Acceptance specification: GB50261 "Code for construction and acceptance of automatic sprinkler system"

2.Characteristics

(1) The hydraulic alarm bell is composed of an aluminum alloy body, a nylon impeller, a nylon shaft, an aluminum alloy bell shell, a copper alloy bushing and a nylon bushing. No maintenance and long service life.

(2) ZSJL type wall-type hydraulic alarm bell, water motor and alarm bell are integrated, and the structure is compact.

(3) ZSJLC type wall-mounted hydraulic alarm bell is suitable for decoration and aesthetic requirements and northern anti-freezing places, especially industrial and mining protection areas. The water motor is installed in the indoor heating area, and the alarm bell is set outdoors.

3.The main performance parameters

(1) Starting alarm pressure of hydraulic alarm: less than 05 MPa; rated working pressure: 1.2 MPa

(2) Flow K coefficient of hydraulic bell: 5.4

(3) Alarm sound of water alarm ringtone: greater than 70dB at 05 MPa; greater than 85dB at 0.2 MPa

(4) Interface thread: R23/4′′

(5) Hydraulic alarm bell structure and dimensions