(I) According to the GB25972-2010 "Gas Fire Extinguishing System
and Components" standard, the basic requirements of HFC-227ea fire
extinguishing system are as follows:
1. Working temperature range: 0℃~＋50℃
2. Filling density/pressure: Maximum filling density of internal
pressure storage type HFC-227ea fire extinguishing system:
1120kg/m³ at 2.5MPa storage pressure 950kg/m³ at 4.2MPa storage
pressure (welded structure storage container) 1120kg/m³ at 4.2MPa
storage pressure (seamless structure storage container) 1080kg/m³
at 5.6MPa storage pressure
3. System maximum injection time: 10s
4. Fire extinguishing agent release time: At the maximum filling
density or filling pressure, the time for the fire extinguishing
agent to be ejected from the container valve should not be greater
than 80% of the maximum injection time of the system.
5. bottle group specifications and storage pressure
| Bottle group name | Model specification (l) | Storage pressure (20℃) |
| Nitrogen start-up bottle group | 8 | 6Mpa |
| Nitrogen automatic bottle group | 70 | 13.5Mpa |
| Fire extinguishing agent bottle group | 70 | 90 | 120 | 150 | 180 | 0.3Mpa |
Company introduction:
Guangzhou Rongan Fire Protection Equipment Co., Ltd. is a
professional manufacturer of fire protection facilities integrating
R&D, production, design and sales services. The company has
experts from the national fire protection industry standards
committee and a group of professional technical service teams with
more than ten years of experience in the fire protection industry,
and will spare no effort to provide you with the most intimate and
professional comprehensive technical solutions for fire protection
engineering products. "Rongxiao" series products produced by the
company have passed the national compulsory product certification
and the national fixed fire extinguishing system inspection center,
with reliable quality and stable performance, and the factory has
passed the ISO9001 quality system certification.
Frequently asked questions:
Q1: Are you a manufacturer or a trading company? A1: We are
manufacturers.
Q2: How long is the delivery time? A2:10 days, which can be
negotiated according to the quantity.
Q3: How to deal with the fault? A3: During the warranty period, we
will provide you with a remote emergency plan during working hours.
During the free maintenance period, the company will replace spare
parts or complete machines that have failed due to defects or
quality problems free of charge.
