Pre-acting device

ZSFY

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隐藏域元素占位

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Key words:

Pre-acting device

Product Description

Commodity name: Pre-acting device
Commodity ID: ZSFY

1. model preparation:

Example: ZSFY150-1.6 indicates a pre-acting device with a nominal diameter of 150mm and a rated working pressure of 1.6MPa

2. executive standard: GB5135.14-2011 "automatic sprinkler system part 14: pre-action device"

3. technical parameters:

Model specifications	Nominal diameter (mm)	Rated working pressure (MPa)	Working pressure range (MPa)	Alarm port pressure (MPa)	Inflation pressure on system side (MPa)	Alarm air pressure (MPa)		Environmental conditions for system use
						Upper Limit	lower limit
ZSFY100-1.6	100	1.6	0.14～1.6	4-70	0.03～0.05	0.06	0.02	<4 ℃ or> 70 ℃
ZSFY150-1.6	150
ZSFY200-1.6	200

4. applicable places: commonly used in places where pipeline leakage or accidental spraying are not allowed; at the same time, it can also replace the dry automatic water spray alarm system for occasions where the wet automatic water spray alarm system is not available due to cold or high temperature. Such as senior hotels, hospitals, important office buildings, large shopping malls, libraries and other places.

1. model preparation:

Example: ZSFY150-1.6 indicates a pre-acting device with a nominal diameter of 150mm and a rated working pressure of 1.6MPa

2. executive standard: GB5135.14-2011 "automatic sprinkler system part 14: pre-action device"

3. technical parameters:

Model specifications	Nominal diameter (mm)	Rated working pressure (MPa)	Working pressure range (MPa)	Alarm port pressure (MPa)	Inflation pressure on system side (MPa)	Alarm air pressure (MPa)		Environmental conditions for system use
						Upper Limit	lower limit
ZSFY100-1.6	100	1.6	0.14～1.6	4-70	0.03～0.05	0.06	0.02	<4 ℃ or> 70 ℃
ZSFY150-1.6	150
ZSFY200-1.6	200