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:
The business keeps to the operation concept "scientific management, premium quality and efficiency primacy, customer supreme for Quality Inspection for Middle Speed Fire Sprinkler - Concealed Fire Sprinkler – Minshan, The product will supply to all over the world, such as: Manchester, Porto, Thailand, Most problems between suppliers and clients are due to poor communication. Culturally, suppliers can be reluctant to question items they do not understand. We break down people barriers to ensure you get what you want to the level you expect, when you want it. Faster delivery time and the product you want is our Criterion .
The company's products very well, we have purchased and cooperated many times, fair price and assured quality, in short, this is a trustworthy company!








