The 12-stage submersible centrifugal pump is mainly applicable to natural gas pressurization and transportation in LNG peak - shaving gasification stations, LNG distributed energy power plants, LNG gasification stations, etc.
Performance Parameters
Serial Number Name Specific Parameters 1 Type Variable - frequency speed regulation / vertical type 2 Characteristics 12 - stage 3 Design Temperature - 196°C 4 Medium Used LNG / LN2 6 Pressure Increase 6.5MPa of pressure increase 7 Flow Rate 60 - 100 m³/h (liquid flow rate) 8 Motor Parameters 380V / 50HZ / 3 - PH / 2P / explosion - proof / 250KW 9 Control Mode Automatic stop and manual start 11 Delivery Time 90 days
Performance Features
The unit is submersible and connected to the wellhead cover through the top flange, ensuring stable liquid outlet pressure. The whole unit is immersed in the insulated pump well, resulting in low cold loss. With no seals, zero leakage can be guaranteed. The unit has a short cooling - down time and can achieve rapid start - up. The unit adopts a multi - stage and low - speed scheme, featuring stable operation and high reliability. Imported bearings are used, which require little maintenance over a long period. It can operate continuously for more than 16,000 hours without interruption. A low - speed variable - frequency motor is used, resulting in low vibration and high reliability. An inducer is set at the inlet to improve the liquid suction performance and reduce the requirement for the Net Positive Suction Head (NPSH) of the system device. The multi - flow - path radial diffuser design ensures that when the unit operates under different working conditions, the rotor can automatically adjust to achieve self - balance of axial force. The unit is equipped with bearing vibration detection, pump well liquid - level detection, and cable joint leakage detection to ensure the stable and safe operation of the submersible pump.
On - site Installation
It is of buried - type installation. A pit needs to be dug to bury the pump well underground. Fix the submersible pump on the cover and then place it into the pump well.
Two - stage and four - stage submersible low - to - medium pressure centrifugal pumps Scope of Application
The four - stage submersible centrifugal pump is a newly developed submersible pump product of our company. It is designed to meet the growing demand of the natural gas peak - shaving and gas - filling station markets. The pump consists of two parts: the pump sump and the pump body. The pump body is immersed in the cryogenic liquid in the pump sump to suck, pressurize, and discharge the liquid, ensuring zero liquid leakage during operation. It is mainly used in LNG peak - shaving stations, LNG gasification stations, urban pipeline networks, and small - scale natural gas power plants.
Performance Characteristics
Immersed in the liquid of a vacuum vessel, it achieves zero leakage, reduces the cold loss of the unit, and enables rapid startup. An inducer is installed at the inlet, greatly reducing the system's requirement for net positive suction head. The motor and the pump are of an integrated structure. A variable - frequency motor is used for speed regulation, expanding the flow rate and head range of the pump. Imported cryogenic bearings are adopted, with a lifespan of over 10,000 hours. With a stable and high - speed design, it features a compact structure, convenient installation, and good economic efficiency.
Performance Parameters
Serial Number Name Specific Parameters 1 Type Variable - frequency speed regulation / vertical type 2 Characteristics 2 - 4 stages 3 Design Temperature - 196°C 4 Medium Used LNG 5 Inlet Pressure Depends on the pressure resistance of the pump sump (usually below 2.5MPa) 6 Maximum Head 510m - 1050m 7 Flow Rate 25 - 35 m³/h (liquid flow rate) 8 Motor Parameters 380V / 50HZ / 3 - PH / 2P / explosion - proof 9 Control Mode Automatic stop and manual start 10 Bare Pump Weight 400KG 11 Delivery Time 7 - 30 days
Standard Configuration
Pump unit Vacuum pump sump
Eight-stage submersible low-to-medium pressure centrifugal pump Scope of Application
The eight - stage submersible centrifugal pump is a newly developed submersible pump product of our company. It is applicable to the pressurization and transportation of natural gas in LNG peak - shaving gasification stations, LNG distributed energy power plants, LNG gasification stations, etc.
Performance Parameters
Serial Number Name Specific Parameters 1 Type Variable - frequency speed regulation / vertical type 2 Characteristics 8 - stage 3 Design Temperature - 196°C 4 Medium Used LNG / LN2 5 Pressure Increase 2.5MPa of pressure increase 6 Flow Rate 25 m³/h (liquid flow rate) 7 Motor Parameters 380V / 50HZ / 3 - PH / 2P / explosion - proof 8 Control Mode Automatic stop and manual start 9 Delivery Time 90 days
Performance Features
The unit is submersible and connected to the wellhead cover through the top flange, ensuring a stable liquid outlet pressure.
The entire unit is immersed in an insulated pump well, resulting in low cold loss. Without seals, zero leakage can be guaranteed.
The unit has a short cooling - down time and can achieve rapid startup.
The unit adopts a multi - stage and low - speed scheme, featuring stable operation and high reliability.
Imported bearings are used, which require little maintenance over a long period. It can operate continuously for more than 16,000 hours without interruption.
A low - speed variable - frequency motor is used, resulting in low vibration and high reliability.
On - site Installation
It is of buried - type installation. A pit needs to be dug to bury the pump well underground.
Fix the submersible pump on the cover and then place it into the pump well.
submersible pump Scope of Application
The LNG submersible pump is a centrifugal working unit composed of a pump sump and a pump body. The pump body is immersed in the cryogenic liquid in the pump sump to suck in, pressurize, and discharge the liquid. Since it is immersed in the pump sump container, zero liquid leakage can be ensured during operation. It is mainly used in LNG filling stations to refuel liquid natural gas for natural gas - powered heavy - duty trucks and buses. It can also be used in LNG receiving terminals, LNG tank truck loading and unloading operations, etc. Similarly, it is applicable to the unloading of industrial gas tank trucks, except for deoxygenation.
Performance Characteristics
Immersed in the liquid of a vacuum container, it achieves zero leakage, reduces the cold loss of the unit, and enables rapid startup.
An inducer is set at the inlet, which greatly reduces the requirement of the system device for net positive suction head.
The motor and the pump are of an integral structure. Using a variable - frequency motor for speed regulation expands the flow rate and head range of the pump.
Imported cryogenic bearings are adopted, with a lifespan of over 16,000 hours.
Performance Parameters
Serial Number Name Specific Parameters 1 Type Variable - frequency speed - controlled / vertical 2 Characteristics Single - suction / single - stage 3 Design Temperature - 196°C 4 Media Used LNG / LN2 / LAr 5 Inlet Pressure Depends on the pressure resistance of the pump sump (usually below 2.5 MPa) 6 Maximum Head 280 m 7 Flow Rate 6 - 24 m³/h (liquid flow rate) 8 Motor Parameters 380V / 50Hz / 3 - phase / 2 - pole / explosion - proof / MAX 6000 RPM 9 Control Mode Automatic stop and manual start 10 Bare Pump Weight 90 kg 11 Delivery Time 7 - 30 days
