Wet risers are a form of internal hydrant for the fireman to use and are always charged with water. Wet risers are only required for building where the topmost floor is higher than 30.5 meters
above the fire appliance access level.
Wet riser system comprises duty fire pumps with standby pump discharging into riser pipe with landing valves at each level and to jet at the fire. A jockey pump is usually provided to maintain
system pressure.
A typical wet riser installation is shown as below.
Wet Riser System
Wet risers are a form of internal hydrant for the fireman to use and are always charged with water
Wet Riser System Wet risers are a form of internal hydrant for the fireman to use and are always charged with water |
I.Introduction SS-600CHot & Wet Waste Incineration CEMS System developed and produced by Senshang Instruments is to monitor the total air pollutant emissions from stationary sources in waste incineration power plant, to measure SO2, NO, NO2, CO, CO2, HCL, NH3, O2 and H2O, as ...
Come From Hunan Senshang Instrument Co.,Ltd
Standardï¼according to IEC61215ãIEC61646ãGB/T 18911and GB/T9535 Purposeï¼evaluate component under the wet work conditionalâs insulation performance ,verification rain, fog,dew , or defrost wet canât enter into the component inner circuit work parts, ...
Come From 东莞市宏图仪器有限公司
This machine is suitable for the polishing and surface treating(deburring ) of hardware, electrical spart parts and jewelries made of silver or gold. Features:1. Apply international advanced technology of spiral rolling and flowing, triple vibration principle to make parts with ...
Come From Yihui Casting Technology Co., Ltd.