Automatic Fire Sprinklers with Glass Bulb

Product Overview

Description

specification:
(1)     rated working pressure: 12 bars(1.2Mpa)
(2)     airproof test pressure: 24bars(2.4Mpa)
(3)     strength test pressure: 30bars(3Mpa)
(4)     thread: 1/2",3/4"
(5)     large coverage glass bulb sprinkler
(6)     20mm diameter model:

Nozzle Temperature Rating	The maximum  ambient temperature	Color liquid-filled glass ball
57	38°C	Orange
68	38°C	Red
79	38°C	Yellow
93	38°C	Green
141	38°C	Blue