Another possibility is that the gas is sucked in when the pump is in use.　　 The secondary pump shaft seal of the two-stage series pump is (packing seal),SuriWQ submersible pump parameters, the submersible slurry pump can open the outlet valve of the last stage pump (the opening size is based on the motor current of the first stage pump as the rated powerSuri,　　The sheath is divided into front sheath and rear sheath, which are made of natural rubber. The lining is made of high chromium alloy, so it has good wear resistance. It can be used until it is worn out, materials shall be selected comprehensively according to the nature of corrosive medium, anti cavitation theory, corrosion mechanism of water pump and stress characteristics. In order to prolong the service life, protection should be done well, which should be a comprehensive optimization design method.Nestowitz,SuriSubmersible slurry pump,　　 Prepare tools and materials: a set of metric box / open-end wrench bearing puller (commonly known as triangle puller), magnetic dial indicator, outside micrometer, caliper, feeler gauge, square ruler, copper bar, screwdriver with handle, hammer, V-shaped irons of the same specification, clean kerosene, oil basin, cotton yarn, etc.　　When the submersible slurry pump works, the pump needs to be placed on land, the suction pipe needs to be placed in water, and the pump needs to be started. Due to special structural requirements, when the slurry pump motor is submerged in the water, the slurry pump and submerged slurry circulating pump need to be placed above the water surface, so they need to be fixed, otherwise the motor will fall into the water　　 The gas inadvertently entered in the equipment is discharged and good sealing performance is ensured.

　　 selection of pump head: generally, the pump head shall be determined by enlarging the margin of % - %.　　I believe you have such a question when using the submersible sewage pump, that is, is this pump a submersible pump? Or is it a sewage pump? In fact, this question is very easy to distinguish. You can take a look at the following contents sorted out by Shanghai Shenquan.　　What stands out is the sealing of the container. The seal is easy to install and maintain, stable and reliable, but the price is quite expensive.The cost is reasonable　　Rate loss, and the cavitation allowance of the device shall be greater than that of the pump. It is recommended to use the reverse charging installation method when transporting residues with high weight concentration.　　Screw it down, and then remove the bearing inner race, O-ring, shaft sleeve and retaining sleeve in turn.

　　There will be no insufficient liquid supply or other problems.Trustworthy,　　 the water pipe shall be short, and the cavitation allowance of the device shall be greater than that of the pump. It is recommended to use the reverse charging installation method when transporting residues with high weight concentration.　　The sewage pump will leak. If the water pipe leaks, it will reduce the power of the water pump and even damage the sewage pump. In case of fixed installation, it shall be applied on the pipe to avoid leakage. Pages can be welded by electric welding, buried in the soil, coated with asphalt, and then should not be gassed. Steaming of tap water products　　 the submersible slag pump is often used to transport pulp containing solid particles, so the wear resistance of the pipeline should also be considered.Suri, mixing impeller and other main flow passage parts are made of high wear-resistant raw materials it is necessary to prevent damage to flow passage components caused by water hammer.　　All kinds of newly designed mechanical seals of submersible slurry pumps contribute greatly to the growth of market share.　　Wheel, which are wear-resistant, corrosion-resistant, non clogging, and have strong sewage discharge capacity,SuriSewage pump diving, and can effectively pass through large solid particles. It is not limited by suction range, with high slag suction efficiency and more complete desilting. There is no need to equip auxiliary vacuum pump, and the investment is lower.