Full Brass 1/2 NPT DN15 Concealed Type Fire Sprinkler Nozzle

• Customization: Available
• Sprinkler Installation: Pendent
• Sprinkler Head Type: Closed
• Model NO.: ZSTDY
• Automatically Opened and Closed Repeatedly: Can Automatically Opened and Closed
• Open Fire Sprinkler System Type: Water Spray System
• Closed Fire Sprinkler System: Wet Fire Sprinkler System
• Dry Alarm Valve Type: Enclosed Type
• Wet Alarm Valve Structure: Seat Type
• Nozzle Flow Coefficient: 80
• Deluge Valve Type: Diaphragm Type
• Certificate: Cccf
• Features1: Concealed Appearance
• Features2: Standard/Quick Response
• Packing Details: CTN: 46X37X50cm;100PCS/CTN;G.W.: 19kgs
• Transport Package: Carton Box with Foam Protector Inside
• Specification: DN15
• Trademark: Longdu/OEM
• Origin: Cn
• HS Code: 8424901000
• Production Capacity: 100000000PCS/Year

Product Description

The glass bulb sprinkler head is an important component of a sprinkler system,  the mechanism is that the glass bulb is sensitive to heat, when the surroundings temperature reaches a certain point,   the glass bulb will break and activate the sprinkler to spray water for fire extinguishing. 

The concealed sprinkler head is usually installed at places with luxurious decoration and beautiful appearance,such as antechamber, meeting room, shopping mall, hotel, and recreational center, etc. It can be concealed in the ceiling completely. The color of the cover plate can match with ceiling to make the installed hole hue harmonious.

Technical Parameters of Concealed Sprinkler Heads

Our Advantages

1. Manufacturer direct supply with reasonable price.

2. Strict quality check before export.

3. Customized OEM order is accepted.

4. Technical support available.

5. Wide product range of foam sprinkler system and water sprinkler system,can almost offer an one stop purchasing service for customers.
2022 Latest price list is available for customers reference

FAQ

1. Are you a manufacturer or a trading company?
- Manufacturer, 100%, located in Nan'an City, Quanzhou, Fujian Province, China.

2. Can we pay a visit to your factory?
- Sure, we warmly welcome all customers to inspect our factory.

3. What products do you manufacture?
- Wide product range of fire fighting foam system and fire sprinkler system, such as foam bladder tanks,  foam concentrates, fire hoses, sprinkler heads, hydrants, gate valves, alarm valves and so on. 

4. What is your sample policy?
- For small items, we offer FREE SAMPLES for sample evaluation purpose, but customers need to pay for the shipping; For large and heavy items, we charge for the samples, but the charge will be refunded to customer when the order quantity reaches certain amount. 

5. What is your payment method?
- T/T, L/C, Paypal, Western Union etc. 

6. What is your delivery time?
- We have READY STOCK of some products(such as sprinkler heads, hoses, hydrants etc.), which allows for quick delivery within a week,  for other items or OEM orders, the delivery time is normally within one month. The quicker the payment from you, the sooner the delivery time will be:)

7. Which is your loading port from China?
- Xiamen port by sea or by air, and this year we are going to launch a NEW PLANT in Shandong province, so some products may ship from Rizhao or Qingdao port.