LNG Pump

Your Professional LNG Pump Supplier

Shandong Best International Trade Co., Ltd. is an enterprise that focuses on the international free import and export rights of new energy special equipment pressure vessels and gas equipment.

The main product series produced by the three major factories are: fixed pressure vessels (storage tanks), gas equipment (gas equipment), and mobile pressure vessels (tank trucks, tank containers).

LNG Submerged Pump
In today's rapidly developing energy industry, LNG (liquefied natural gas) is a clean and efficient energy source, and its safe and stable transportation and storage are crucial. LNG submerged...
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LNG Cryogenic Pump
As the core power equipment for transporting cryogenic media, LNG Cryogenic pump directly determines the safety and economy of energy transportation.
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Why Choose us

Complete Product Qualifications

The company holds a full suite of production licenses and internationally recognized quality management certifications, including ASME U-Stamp certification for pressure vessel manufacturing and ISO 9001:2015 Quality Management System certification.

Advanced Production Equipment

The facility is outfitted with advanced intelligent manufacturing equipment, notably high-precision CNC plate rolling machines, enabling consistent dimensional accuracy and enhanced fabrication efficiency.

Global Market Presence

The company serves customers across key international markets, including Central Asia, Southeast Asia, Sub-Saharan Africa, and the Middle East.

Parameter

Item	Specification
Product type	LNG submerged pump
Medium	Liquefied natural gas (LNG)
Pump type	Cryogenic submerged pump
Structure	Fully submerged design
Operating temperature	Cryogenic low-temperature conditions
Pressure range	High-pressure LNG transfer system
Material	Stainless steel (low-temperature resistant)
Motor type	Submerged motor
Cooling method	LNG self-cooling system
Application	LNG storage, transfer, and refueling systems

Benefits of LNG Pump

01/

Temperature Tolerance – Ability to handle the cryogenic liquid's boiling point without material embrittlement.

02/

Flow Rate & Pressure Range – Matching pump performance to process demand.

03/

Materials of Construction – Austenitic stainless steels to resist low-temperature brittleness.

04/

Seal Technology – Mechanical seals designed for cryogenic operation to minimize leakage.

05/

Maintenance Accessibility – Modular pump designs for quick inspection and part replacement.

06/

Energy Efficiency – Optimized hydraulic design to reduce operational costs.

Application of LNG Pump

LNG feed and booster pump for LNG land-based terminal

Booster pump for gas turbine co-generation system

LPG transfer pump for LNG calorie adjustment

LNG feed pump for Bunkering/CNG station

The Working Principle of LNG Pumps

Fluid Entry:

Cryogenic liquid enters the pump through the suction nozzle.

Impeller Acceleration:

The rotating impeller accelerates the fluid outward.

Energy Conversion:

Velocity energy is converted into pressure energy in the volute casing.

Discharge:

Pressurized cryogenic fluid exits the pump to the downstream system.

Special engineering considerations ensure minimal heat transfer, preventing vapor lock or cavitation during operation.

Structural Components of an LNG Pump

Impeller:

Usually made from stainless steel or advanced alloys.

Shaft System:

Designed for low thermal expansion and high rotational accuracy.

Bearings:

Often cryogenically lubricated or externally isolated.

Seal System:

Prevents leakage under extreme temperature gradients.

Casing:

Insulated structure to minimize heat ingress.

Shipping Methods

01.

Sea Freight

Main option for large international delivery (container or flat rack)

02.

Truck Transport

For domestic or short-distance delivery

03.

Rail Transport

Optional for regional bulk shipping

04.

Multimodal Transport

Combined sea, road, or rail for global projects

FAQ

Q: What makes cryogenic centrifugal pumps different from standard pumps?

A: They are engineered specifically for ultra-low temperature fluids and include specialized materials and insulation systems.

Q: Can they handle multiple types of cryogenic liquids?

A: Yes, with proper material selection and design adjustments, they can handle LNG, nitrogen, oxygen, and argon.

Q: What is the most common failure mode?

A: Cavitation and seal degradation due to extreme thermal stress are the most common issues.

Q: How long is the typical service life?

A: With proper maintenance, service life can exceed 10–15 years in industrial environments.

As one of the leading LNG pump manufacturers and suppliers in China, we also support customized service. Please rest assure to buy high quality LNG pump in stock here from our factory. If you have any enquiry about quotation, please feel free to email us.

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