Add Favourite   Set Home   Chinese 
 
 
 
  ZC slurry pump
  ZE slurry pump
  ZH/ZHO corrosion pumps
  SS blunt slurry pump
  ZPP packing pump
  In thick pump
Pump parts
Tel£º      0086-312-8913138
Phone£º0086-15003121933
Fax£º      0086-312-8913138
E-mail£ºsales@bdjiamiao.com
Tel/Fax£º086-0312-8913138

Contact £ºMr. Changjun Wu

Website£ºWWW.Baodingjiamiao.cn
 
1. Fire hydrant water system
1.1 hydrant of bolt inlet pressure and systems division
In the code for fire protection design of buildings GBJ16-87 revised edition (hereinafter referred to as the "rules") 8.6.2 built the first and the high civil buildings the code for fire protection design of GB50045-95 (hereinafter referred to as the "rules") the first high 7.4.6 regulation hydrant bolt mouth hydrostatic pressure should not be more than 0.8 Mpa, when more than 0.8 Mpa shall be taken partition water system.
The United States NFPA14 StandardfortheInstallationofStanpipeandHoseSystem "(1996Editon) specified in any pressure system at any time can't exceed 2.41 Mpa, when bolt sewing place static pressure than 121 Mpa should set the pressure-relief devices.
Our country should not be greater than the static pressure fire-hydrant 0.80 Mpa is system zoning values. Fire hydrant static pressure requirements is in view of the quality of pile fire-hydrant - pressure. Our country "indoor hydrant" prescribed in the room
Previous Article£ºAbout centrifugal pump of mechanical seal
Next Article£ºno records
 
CopyRight © Baoding ZhongTong Pump Co.,Ltd    Address: N0.2162-8, South Second Ring, Baoding, Hebei, China 071051     Tel: 0086-312-8913138     Fax£º0086-312-8913138