DN15 DN20 Concealed Fire Sprinkler

• Sprinkler Installation: Pendent
• Sprinkler Head Type: Closed
• Alarm Valve Type: Wet Alarm Valve
• Automatically Opened and Closed Repeatedly: Can Automatically Opened and Closed
• Open Fire Sprinkler System Type: Deluge System
• Closed Fire Sprinkler System: Wet Fire Sprinkler System
• Model NO.: ZSTDY
• Dry Alarm Valve Type: Differential Type
• Wet Alarm Valve Structure: Seat Type
• Alarm Valve Diameter: 100mm
• Nozzle Flow Coefficient: K5.6(80metric)K8.0(161metric)
• Deluge Valve Type: Diaphragm Type
• Product Name: 5.6/8.0 Brass Concealedfire Sprinkler
• Finish: Chrome; Original
• Connection: Bsp
• Material: Brass
• Temperature: 68 Degree
• OEM: Workable, MOQ=5000PCS
• Listings and Approvals: Cccf,ISO9001, ISO14001
• Transport Package: Carton
• Specification: 65*50*50
• Trademark: FOREDE
• Origin: Fujian, China
• HS Code: 8424901000
• Production Capacity: 200000sets/Month

Product Description

Product Description

K=5.6/8.0 FIRE SPRINKLER

A fire sprinkler or sprinkler head is the component of a fire sprinkler system that discharges water when the effects of a fire have been detected, such as when a predetermined temperature has been exceeded. Fire sprinklers are extensively used worldwide, with over 40 million sprinkler heads fitted each year. In buildings protected by properly designed and maintained fire sprinklers, over 99% of fires were controlled by fire sprinklers alone.

Specification

 

Features

K FACTOR:K 5.6@ US(80@Metric)/

K 8.0@ US (161@Metric)

Thread Size:DN15 (1/2''), DN20(3/4'')

Connecting Thread: BSP (NPT Optional)

Main Material: Brass

Sensitive Element: GDGIIX® Brand Glass Bulb

Seal Material: NBR

Surface Finishing :Natural Brass.

 

Model Number	Size	Style	K factor	Tempurature	Response Type
T-ZSTDY-20-68ºC	3/4''(DN20)	Concealed	5.6	68ºC	Standard
K-ZSTDY-20-68ºC	3/4''(DN20)	Concealed	5.6	68ºC	Quick
T-ZSTDY-20-68ºC	3/4''(DN20)	Concealed	8.0	68ºC	Standard
K-ZSTDY-20-68ºC	3/4''(DN20)	Concealed	8.0	68ºC	Quick

 

FAQ

 

Q:Is the sample provided for free?
A:A few small products like sprinklers decorative covers can be provided for free, but buyers pay for freight. Other products need to be confirmed.

Q:What is the production time of the sample?
A:Generally speaking, it isn't a large-scale purchase, and the lead time about 15 working days.Of course, having an urgent order, please reconfirm with us. 

Q:How to mail the samples?
A:Small samples are usually sent by express (DHL, UPS, FEDEX, TNT). If the buyer has other opinions, both parties can discuss with each other.

Q:How to have an order?
A:Before customers have an order, please tell us more details of the products you required which are good for us to introduce you or help you choose the best product.
 

Packaging & Shipping

 

Order Information

 

Dear Customer,
 

Before ordering, please contact with our sales team to discuss order information.
 

If you have any other requirements or wanna know more info about our products, welcome to contact as well. Our Sales team and Technical Department are willing to support you.