In this video, we'll be talking about the Shotgun Riser Check Valve for Wet Pipe Sprinkler System in Urdu/Hindi. What is Shotgun Riser Check Valve according to NFPA 13R and NFPA 13, and what does their role in emergency firefighting entail? We'll also be giving you a brief introduction to the valve uses. Finally, we'll be giving you a quick guide on how to use Supervisory Valves in firefighting according to NFPA standards. If you found anything which is inappropriate then convey it in the comments for my information and rectification in the future.

00:00 Introduction
00:39 Shotgun riser check valve
01:16 where the riser check valve is used?
02:49 Difference between the alarm check valve and riser check valve
04:33 Riser Check Valve detail
05:22 Retard times of flow switches
06:21 Water flow switch
06:36 Water flow switch installation
06:57 Pressure gauges of riser check valve
07:45 NFPA 13R about Riser Check Valve
09:21 NFPA 13 about Riser Check Valve
09:32 Sprinkler system riser
10:01 Pressure gauges of the wet pipe system

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