What's the difference between a fountain pump and spray pump？

Some e-pals consulting fountain pump and spray pump have what different? Literally just there, of course, but in fact both differ greatly. Weihu Submersible pump manufacturers today is to tell everyone about what fountain pump and spray pump. Distinguish from the purpose: Fountain pump is mainly used for water fountain, aquaculture and so on. Widely used in low head city, farmland irrigation and drainage, irrigation, industrial and civilian supply and drainage system, hills, mountains of water diversion and hollows out of water. Spray pump is usually of roof water tank filled with water, when fire sprinkler after the temperature reaches a certain temperature (68 ° C) normally automatic blowout, pipe under the action of water on the roof water tank automatically, wet alarm valve will automatically open at this moment, the pressure inside the valve switch is automatically opened, and the pressure switch has a root signal lines and chain XBD fire fighting pump, spray pump is automatically started. Then spray fire pump pools of water through the pipe to the hydrant, the roof water tank and nozzle, the fire protection system began to work. Is simply for the use of landscape, is a fire. Purpose is different, is not the same as the professional. Of course, look from the exterior is also different.

Some e-pals said fountain pump outlet is cast iron, if want to gate valve connection to want how to connect? Is the need to hose even or welding? Weihu pump industry today is to explain it with all of you. If you can would use hose, hose connection. Cast iron pipe welding for welding when demand is higher, need to master some professional welding operation, and choose special special cast iron welding rod, cast iron welding rod fakes and more. From the welding control three problems: the control of carbon, elimination of stress, the adjustment of structure. Suggestions can choose better welding materials, crack resistance are good. Sewing process, in addition, the structure can be taken to increase the stability of welding effect.