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14/12G-G Chemical Centrifugal Pump , vice impeller seal / packing seal pump

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Shijiazhuang JieMu Machinery Equipment Co.,Ltd
City: Shijiazhuang
Province/State: Hebei
Country/Region: China
Tel: 86-311-80660278

14/12G-G Chemical Centrifugal Pump , vice impeller seal / packing seal pump

Brand Name : Gempump
Model Number : 14/12G-G
Certification : ISO9001
Place of Origin : Hebei, China
MOQ : 1 Set
Price : 1000 USD/Set
Payment Terms : T/T
Supply Ability : 50/Month
Packaging Details : Standard Export Wooden Case Or By Required
Model : 14/12G-G
Port : Beijing, Tianjin
Color : Yellow Or Other
Sealing type : Gland seal, Mechanical seal, Expeller seal
Transmission : gearbox transmission, hydraulic coupling drive etc
Applications : deep-sea mining and tailing acquisition etc
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14/12G-G Chemical Centrifugal Pump , vice impeller seal / packing seal pump



Installation of mechanical seal for slurry pump


1. check the mechanical seal installed type, specifications are correct.
2. check the size of the slurry pump and the installation of mechanical seals related to the size of parts, geometric accuracy and correlation are consistent with technical requirements. The main aspects are as follows:


(1) the radial runout tolerance of the shaft (or shaft sleeve) that installs the mechanical seal part, the surface finish and outer diameter tolerance of the shaft (or axle sleeve).
(2) the verticality of the center line of the axle (or axle sleeve) is allowed by the combination of the sealing cavity and gland.
(3) install the end of the shaft (or axle sleeve) of the ring seal ring, install the chamfering and finish of the end of the shell of the mechanical seal.
(4) the axial displacement of the shaft of the mechanical seal.


3. the installation of mechanical seal process should be kept clean, and do not allow tools to tap sealing elements, in case of damage and damage.
4. when installing, the movable and static ring surface should be coated with a layer of clean oil and turbine oil. The auxiliary sealing ring (including the movable ring seal ring and the static ring seal ring) also needs to be coated with a clean oil or turbine oil before installation so as to ensure the smooth installation.
5. the static ring sealing ring in static ring back after the sealed end cover, should pay attention not to hurt the static ring end face, to ensure that the end surface of the static ring and the end cover is vertical to the central line, and pay attention to the anti rotary slot alignment anti rotation pin static ring back, but not in contact.
6. The rotating part of the mechanical seal is fixed to the axle by two fixed screws on the spring seat. When the screws are tightened, the working length of the spring must be ensured.


Application of mechanical seal for slurry pump


  1. before the start of the slurry pump, it is necessary to check the attached device of the mechanical seal, and whether the cooling and lubricating system is perfect and unblocked.
  2. The material line shall be cleaned before starting to prevent rust impurities from entering the sealing chamber.
  3. Turn the shaft with the hand wheel to check whether the shaft rotates smoothly. If the disk is moving, check whether the installation size is correct.
  4. Before normal driving, the static pressure test is needed to check the sealing effect of the end face, the sealing ring and the sealing end cover of the mechanical seal. If there is any problem, the problem shall be checked and checked one by one.
  5. before the slurry pump starts, the chamber should be filled with liquid or sealed medium, if a separate sealing system should be started, the cooling water system must start circulating.
  6. before normal use, first run at atmospheric pressure, observe the temperature rise of the seal is normal, whether leakage phenomenon. If there is a slight leak, you can run for a period of time, so that the end surface is more uniform, until the leakage gradually reduced to normal. If the operation is 1 - 3 hours, the amount of leakage is not reduced, you need to stop the inspection.
  7. normal operation, step-up, heating can be carried out slowly, and pay attention to the temperature rise and leakage situation, such as all normal, that can be put into production.

When stopping, we should stop the slurry pump and stop cooling and lubricating system.


Applications

  • Gravel pump is mainly used for channel, reservoir desalination, coastal reclamation, stretching, deep-sea mining and tailings reservoirs. A sand pump is designed for continuous handling of the most difficult, high abrasive slurries required by ordinary pumps. The utility model is suitable for conveying mud, metal melting, explosive mud, dredging boats, river dredging, etc. in mines.
Feature
  • The Type G (or GH) gravel pump is designed for the continuous treatment of the most difficult high abrasive slurries, which contain too much solids and can not be pumped out by ordinary pumps. It is suitable for conveying mud, metal melting, explosive mud and other fields. Type GH is a high lift pump.


PERFORMANCE

Pump ModelAllowable
Max. Power
(kw)
Clear Water Performance
Capacity QHead
H (m)
Speed
n(r/min)
Max.Eff.
(%)
NPSH
(m)
m3/hl/s
14/12G-G1200576-3024160-8408-70300-700682.0-8.0

Product Tags:

high pressure centrifugal pump

      

stainless steel centrifugal pump

      
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