API610 VS1 Vertical Turbine Centrifugal Pump

1、API 610 Vs1 Multistage Centrifugal Pumps

Construction features :
Vertically suspended, single casing,diffuser,single Stage centrifugal pumps.

Product attributes:

Maximum head :>150m

Maximum fiow:>400L/min

Driving type:Motor

Working impeller number:Single-Stage Pump

Working impeller inlet way:Single Suction Pump

Pump shaft positon:Vertical Pump

Impeller structure:Closed

Transportation package:Wooden Case

Specification:API 610 standard 

Origin:Dalian,Liaoning,China

Size: DN40~400

Flow:~800m3/H

Head: ~800m

Temperature: -180-300Degress Celsius

Application:
These pumps are used where NPSH available is limited.
Suitable for pumping clean or slightly polluted,cold or hot, chemically neutral or aggressive liquids. Apply in the industries of chemical ,petrochemical,oil&gas and refinery services.Material:

Carbonsteel; chromed steel; austeniticstainlesssteel; duplexsteel; Titanium and Titanium Alloys; Hastelloy C-276 and other special materials; It depends the customer's request.

2、API 610 Vs1 Single Stage Centrifugal Pumps

Construction features :
Vertically suspended, single casing,diffuser,single Stage centrifugal pumps.
Application:
These pumps are used where NPSH available is limited.
Suitable for pumping clean or slightly polluted,cold or hot, chemically neutral or aggressive liquids. Apply in the industries of chemical ,petrochemical,oil&gas and refinery services.

3、API 610 Vs1 Guide Vane Type Centrifugal Pumps

Construction features :
Vertically suspended, single casing,diffuser,centrifugal pumps.
Application:
These pumps are used where NPSH available is limited.
Suitable for pumping clean or slightly polluted,cold or hot, chemically neutral or aggressive liquids. Apply in the industries of chemical ,petrochemical,oil&gas and refinery services.

Sulzer API610 VS1 pump structural characteristics and application industries
I have read 10 web pages
The Sulzer API 610 VS1 pump is a vertical, single-layer shell, suspended centrifugal pump designed strictly in accordance with the API 610 (ISO 13709) standard. It is commonly referred to as a vertical turbo pump and is mainly used to extract liquids from underground storage tanks, water tanks, or open water bodies. It is suitable for fields such as refining, petrochemicals, pipeline transportation, and general industry.

Below is a detailed analysis of its structural characteristics and application industries:

🛠️  structural characteristics
The VS1 pump adopts a vertical suspension structure, with the pump body immersed underwater and the motor installed above the ground, transmitting power through a long shaft.

Characteristics and Description of Structural Components Performance/Remarks
Overall structure: Vertical, single-layer shell, suspended: The hydraulic end of the pump is suspended below the installation base through a cylindrical connecting pipe and immersed in the conveyed liquid. The lifting pipe is also a support for the shaft and a drainage channel. Especially suitable for underground storage tanks, sewage tanks, deep wells, or places with limited installation space.
The impeller and guide vanes usually adopt a multi-stage structure, surrounded by a diffuser shell. This design can effectively balance radial forces and ensure smooth operation of the pump at high head. Closed or semi open impellers can be selected as needed. The first stage impeller is usually specially designed to have excellent anti cavitation performance (low NPSHr). The multi-stage design enables the VS1 pump to achieve a head of up to 900 meters.
The shaft and bearings adopt a long shaft design, with multiple guide bearings (usually lubricated by the conveyed medium) on the shaft to ensure its stability. Bearing materials can be selected from graphite PTFE、 Bronze, etc., to adapt to different media. The self-lubricating design of the medium simplifies the structure, but there are certain requirements for the cleanliness and lubricity of the medium.
A shaft seal (usually a packing seal or mechanical seal) is installed at the top of the pump and at the connection between the lifting pipe and the discharge section. Due to the complete immersion of the pump body and the absence of dynamic sealing points, the risk of medium leakage is eliminated from the source. The sealed chamber is designed according to API 682 standard and can be equipped with a containerized mechanical seal. This is the core advantage of unsealed pumps, achieving "zero leakage" operation.
The top of the discharge section and the motor bracket pump is the discharge section, which is used to support the pump body, accommodate the shaft seal, and connect the pipeline. The motor bracket is installed above the discharge section to support the driving motor. Casting or welding structures can be selected according to project requirements.
The axial force of the thrust bearing pump is borne by the thrust bearing installed in the discharge section or motor. Angular contact ball bearings can be lubricated with oil or grease. The design of a large capacity oil chamber can ensure the long-term reliable operation of bearings.
The selection of materials for overcurrent components is extensive, and can be based on the corrosiveness, abrasiveness, and temperature requirements of the medium: cast iron, carbon steel, stainless steel (304/316), duplex steel, Monel, Hastelloy, etc., in accordance with API material grades (S-4 to D-2). The rich material options enable it to adapt to various working conditions ranging from clean water to highly corrosive media.
Typical performance range (based on official data from Sulzer):

Flow rate: up to 3800 m ³/h (20000 US gpm)

Lift: up to 900 m (3000 ft)

Pressure: up to 75 bar (1100 psi)

Temperature: up to 205 ° C (400 ° F)

Export size: up to 500 mm (20 inches)

Maximum speed: up to 3600 rpm

🏭  Application Industry
VS1 pump is widely used in various industrial processes due to its high head, large flow rate, and "zero leakage" vertical installation characteristics, especially suitable for situations where the liquid level is lower than the pump suction port. The typical applications listed on Sulzer's official website include:

Oil and gas and pipeline transportation:

Crude oil pipeline booster pump

Pipeline transportation of finished oil products (diesel, aviation kerosene, gasoline)

Liquefied petroleum gas (LPG) transportation

Boosting pump for oil tank area

Crude oil transportation from offshore platforms to onshore

Supercritical CO ₂ and ethylene pipelines

Refining and Petrochemicals:

Hydrocarbon feed pump

De butane/De propane services in low-temperature gas plants

Catalytic cracking, hydroprocessing, distillation unit

Extraction of condensate oil

Water treatment and seawater utilization:

seawater lift pump

circulating water pump

Fire water system 

Rainstorm drainage

Reverse osmosis seawater desalination

Other industries:

fertilizer production

Pulp and paper mills

Power plants (such as condensate extraction)

Mine drainage

General industrial water supply

💎  summary
Simply put, the Sulzer API 610 VS1 pump is a vertical multi-stage pump tailored for high head, high flow, and underwater water intake conditions. It combines the multiple advantages of vertical installation to save space, multi-stage impeller to achieve high head, and immersion design to prevent leakage, making it particularly suitable for handling liquid transportation tasks in storage tanks, water tanks, deep wells, and other horizontal pumps that are difficult to handle.

Are you selecting for a specific underwater water intake project, or would you like to further understand the main structural differences between VS1 pump and other vertical pumps in the same series (such as VS6, VS4)? Tell me your specific situation, and I will help you analyze it further.

Foss API610 VS1 pump structural characteristics and application industries
I have read 10 web pages
Like the Sulzer VS1 introduced in the previous round, Flowserve's API 610 VS1 pump is also a vertical, single-layer shell, suspended centrifugal pump designed strictly in accordance with API 610 (ISO 13709) standards, commonly referred to as a vertical turbine pump. Its core design concept is highly consistent with Sulzer VS1: it adopts a vertical installation and submerged structure, specifically designed for extracting liquids from underground storage tanks, water tanks, or deep wells.

Below, based on official information from Volkswagen, we will provide a detailed analysis of the structural characteristics and application industries of its two VS1 pump series, WUJ and VTP.

🛠️  The structural characteristics of the Volkswagen VS1 pump
Volkswagen's VS1 pumps are mainly divided into two product lines: WUJ series (heavy-duty, high parameter) and VTP series (with a wide range of models and applications). Both adopt a vertical suspension structure, with the pump body immersed underwater and the motor installed above the ground, transmitting power through a long axis.

Characteristics and Explanation of Structural Components Series Differences/Remarks
Overall structure: Vertical, single-layer shell, suspended: The hydraulic end of the pump is suspended below the installation base through a lifting pipe and immersed in the conveyed liquid, suitable for wet pits or deep wells. Both WUJ and VTP series adopt this structure.
The multi-stage structure of the impeller and guide vanes is surrounded by a diffuser shell, ensuring smooth operation. Can be equipped with radial or mixed flow impellers to meet different flow and head requirements. The first stage impeller can be equipped with an induction wheel or a double suction structure to achieve ultra-low cavitation allowance. The WUJ series can reach up to level 20; The VTP series offers over 250-300 hydraulic models with a wide range of choices.
The shaft and bearings adopt a long shaft design, with multiple guide bearings on the shaft. Open or closed transmission shaft structures can be selected, and bearing lubrication methods include medium self lubrication or oil lubrication. The enclosed oil lubrication structure can effectively isolate media containing particles and extend the life of bearings.
The shaft seal is installed at the top and discharge section of the pump. Single end or double end containerized mechanical seals can be configured according to API 682 standard, or flexible graphite packing seals can be used. For open transmission shaft structures, water injection packing components can also be configured.
The top of the discharge section and the motor bracket pump is the discharge section, which is used to support the pump body, accommodate the shaft seal, and connect the pipeline. You can choose to cast or * * fabricated steel * * structure. The motor bracket is installed above the discharge section to support the driving motor. The flange of the spit out section can be connected above ground or underground.
The axial force of the thrust bearing pump is borne by a separate thrust bearing component, which can use oil lubricated angular contact ball bearings or inclined tile thrust bearings to cope with ultra-high thrust. The WUJ series has specially designed inclined tile bearings for ultra-high thrust conditions.
There is a wide selection of materials and materials for specially designed overcurrent components, which can be chosen according to the requirements of the medium. Volkswagen also offers a variety of special designs to adapt to harsh working conditions, such as hypochlorite pipelines to prevent marine pollution, anode protection to prevent corrosion, steam injection or electric heating to prevent freezing in cold climates, and special thermal deformation control designs to cope with high-temperature molten salts. The VTP series has over 60 years of application experience in the field of molten salt pumps, using advanced thermal mapping software to ensure reliability at high temperatures.
Typical performance range (based on official Volkswagen data):

Parameter WUJ series VTP series
Radial flow rate: ≤ 500 m ³/h
Mixed flow: ≤ 3000 m ³/h ≤ 13600 m ³/h
Radial head: ≤ 2000 m
Mixed flow: ≤ 600 m ≤ 700 m
Radial pressure: ≤ 200 bar
Mixed flow: ≤ 64 bar ≤ 100 bar
Temperature -200 ° C to+350 ° C -45 ° C to+300 ° C
Installation length ≤ 40 m ≤ 365 m
🏭  Application industry of Volkswagen VS1 pump
The Volkswagen VS1 pump, with its wide performance coverage and rich configuration options, is widely used in various industrial processes, especially suitable for situations where the liquid level is below the pump suction port and high head or large flow is required. The typical applications listed on the Volkswagen official website include:

Oil and gas and pipeline transportation:

Crude oil and finished oil pipeline transportation

Boosting of oil tank area

Barge unloading and transportation (Volkswagen Barge Pump is a well-known brand in this field)

Fire water system for offshore platforms

Refining and Petrochemicals:

Hydrocarbon feed

Tower bottom product transportation

Liquefied petroleum gas (LPG) transportation

Water treatment and seawater utilization:

seawater lifting

circulating water

Fire water (capable of meeting ATEX Zone 0/1 explosion-proof requirements)

Groundwater Development and Agricultural Irrigation

Energy and Electricity:

Pumps for nuclear power plants

Conventional steam power plants

Combined Cycle Power Plant

Concentrated solar power plants (molten salt pumps are a specialty of the Volkswagen VTP series)

geothermal energy

Other industries:

Mining and Metal Smelting

Chemicals (conventional and special chemicals)

Paper making and pulp

💎  summary
Simply put, Volkswagen's API 610 VS1 pumps (WUJ and VTP series) are highly consistent with similar products from Sulzer in terms of compliance with API 610 standards, vertical submerged suspension structures, and other core aspects. The main difference lies in the fact that Volkswagen offers two product lines to cover different performance ranges (WUJ focuses on ultra-high head and extreme temperature, while VTP focuses on ultra large flow and wide applicability), and has a deep historical accumulation and unique design experience in segmented fields such as molten salt pumps and barge pumps.

Are you selecting for a specific underwater water intake or high lift project, or would you like to further understand the boundary between the Volkswagen WUJ and VTP series in specific selection? Tell me your specific situation, and I will help you analyze it further.