Quality Inspection for Middle Speed Fire Sprinkler - Concealed Fire Sprinkler – Minshan
Quality Inspection for Middle Speed Fire Sprinkler - Concealed Fire Sprinkler – Minshan Detail:
Working principle:
1. Concealed fire sprinkler head, the main medium is water, in order to protect the performance of the sprinkler head, the inlet of the sprinkler head can be equipped with a filter.
2. Concealed firefighting sprinklers, if the firefighting sprinklers extinguish liquid fires, water foam can be added to the water to improve the fire extinguishing effect.
3. Concealed fire sprinklers, fire sprinklers should be inspected at least quarterly after installation, and the dirt on the filter cover should be removed and washed. If the water quality is turbid and there are debris, it should be removed and washed once a month to ensure smooth water flow.
Specification:
| MODEL | Nominal Diameter | Thread | Flow Rate | K Factor | Style |
| ZSTDY | DN15 | R1/2 | 80±4 | 5.6 | concealed fire sprinkler |
| DN20 | R3/4 | 115±6 | 8.0 |
How to use:
The cover of the concealed fire sprinkler is welded to the thread with fusible metal, the melting point is 57 degrees. Therefore, in the event of a fire, when the temperature rises, the cover is first detached, and when the temperature rises to 68 degrees again (generally a sprinkler), the glass tube bursts and the water flows. Therefore, the most taboo of the concealed fire sprinkler head is that the cover is covered with paint and oil paint, which will cause malfunction.

Application :
Concealed fire sprinkler is suitable for high-end hotels, residences, theaters and other places that need to ensure the neat and tidy effect of the ceiling.

Production line:
The company has integrated a whole set of production line together, strictly comply with each part of the process requirements, control each step of the procedure, to improve the overall work efficiency.

Certificate:
Our company have passed the CE certification, the Certification (CCC Certificate) by CCCF, the ISO9001 and many specified standards requirements from the international market.Existing quality products are applying for UL,FM and LPCB certifications.

Exhibition:
Our company regularly participates in domestic and international large-scale fire exhibitions.
– China International Fire Protection Equipment Technology Conference & Exposition in Beijing.
– Canton Fair in Guangzhou.
– Interschutz in Hannover
– Securika in Moscow.
– Dubai Intersec.
– Saudi Arabia Intersec.
– Secutech vietnam in HCM.
– Secutech India in Bombay.

Product detail pictures:



Related Product Guide:
With our rich experience and considerate services, we have been recognized as a reliable supplier for many international buyers for Quality Inspection for Middle Speed Fire Sprinkler - Concealed Fire Sprinkler – Minshan, The product will supply to all over the world, such as: Gambia, Roman, Nairobi, So far our products have been exported to east Europe, the Middle East, Southeast, Africa and South America etc. We have 13years professional sales and purchase in Isuzu parts at home and abroad and the ownership of the modernized electronic Isuzu parts checking systems. We honor our core principal of Honesty in business, priority in service and will do our best to offer our customers with high quality products and excellent service.
This enterprise in the industry is strong and competitive, advancing with the times and develop sustainable, we are very pleased to have a opportunity to cooperate!








