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Product code: SVG - SVM

North Ridge SVG - SVM Self Priming Vertical Side Channel Pump

Pump Type - Side Channel

Max Flow Rate M³H - 24 M³H

Max Head - 74M

Pump Materials - AISI316, Cast Iron, Ductile Iron

Max Temp - 120°C

Max Viscosity - 200 cst

Max Solid Passage - 0mm

Self Priming - Y

Inlet/Outlet Sizes - 25mm to 50mm

Drive - AC Electric, Bareshaft

Max Suction Lift - 8M

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DESCRIPTION

SVG – SVM Self Priming Vertical Side Channel Pump

Flow Rate	Up to 24 m³/hr
Head (Pressure)	Up to 74 m
Inlet/Outlet Sizes	From 1” to 2”
Operating Temperature	-20°C to +120°C
Drive Options	Electric Motor

The SVG and SVM range of vertical side channel pump is renowned for its excellent self-priming ability and it's ability to handle gaseous fluids. Ideal fluids for this pump series are low viscosity and fluids which do not contain any solids or abrasive content. This vertical multistage pump can produce medium flow rates at medium pressure. It is capable of producing flow rates up to 24m³/hr and pressures up to 7.4 bar.

The vertical execution makes this series useful for applications where there is limited space, this pump has all the capabilities of a standard side channel pump but the added benefit of a much smaller footprint.

Due to the liquid ring pump design, it is able to handle fluids that contain up to 50% entrained gasses making it excellent for applications involving condensate and other gaseous liquids,

This vertical multistage pump is available in ductile iron and stainless steel making it suitable for a wide range of fluids and applications.

The sealing options for this vertical liquid ring pump are mechanical seal and magnetic drive. The sealless magnetic drive option is very low maintenance and guarantees there are no leaks. The magnetic drive is particularly useful when handling low or high temperature fluids and any fluids that are aggressive.

This vertical side channel pump is also Atex certified for handling flammable liquids and for installation in non-safe areas.

The most common applications for this vertical regenerative turbine pump include; pressure boosting, fuel transfer, diesel transfer, kerosene transfer, petrol transfer, refrigerants, hot water circulation, marine, deck wash, sea water transfer and condensate.

• Vertical space saving design

• Mechanical seal or magnetic drive options

• Excellent self-priming ability

• Ability to handle up to 50% gas content

• Maximum fluid temperature of 120°C

• Temperatures down to -20°C

• Available in ductile iron and stainless steel

• Heavy duty ball bearing greased for life

• Oversized bearing bushing ensures quiet operation

• Single phase and three phase 50hz / 60hz motors

• Low NSPHr which means only a low inlet pressure is required

• Back pull out design to ensure quick and easy maintenance

• PN16 Flanges

• Marine certification available

• Atex certified

Read more about Side Channel Pumps in our guide

FAQS

What does the term side channel mean?

A side channel pump is a cross between a centrifugal and positive displacement pump. Side Channel pumps are self-priming and capable of handling entrained gasses and can produce high pressures but low amounts of flow. They are available with single impeller or multiple impellers depending on the pressure required. A few of the benefits of this pump type are; low NPSH required, high efficiency, Balanced radial thrust ensures low wearing parts, excellent self-priming capability and handling of up 50% gas content.

What does the term self-priming mean?

A pump must be primed in order to operate correctly, this means that the pump casing and inlet pipe must be filled with fluid and the air removed before operation. This needs to be done manually by the pump operator for a non-self-priming pump each time the pump is used to avoid damage from dry running. A self-priming pump removes these issues by completing the priming process automatically. The air is removed from the inlet pipework and pump casing when the pump is activated. Self-priming pumps are particularly useful for installations with a suction lift on the inlet side of the pump, the pump will draw the fluid up the pipework by creating a vacuum and removing any air that is present. In ideal conditions, a self-priming pump can lift fluids up to around 8m on the inlet side, however this figure is affected by fluid viscosity, pipework bore and other installation conditions, therefore this figure can be much lower from case to case. Allowances must also be made for wear and tear; suction lift capabilities will be much lower for older and worn pumps.

Can this pump handle solids?

Side channel pumps cannot handle solids, all fluids entering the pump must be clean and free of particles.

What percentage gas content can this pump handle?

Due to their unique design, Side channel pumps are capable of handling fluids containing up to 50% gas content.

How do I know what pump materials are correct for my application?

Firstly, always check the compatibility of the materials available against the fluid being pumped. The main materials to check are the pump casing, impeller, o-ring and mechanical seal. It may be that more than one material is suitable for your fluid and selection could be based on the application type. For instance; cast iron, bronze and stainless steel are all suitable for fresh water. If it is a simple transfer application, then the most cost-effective material cast iron will be best. However, if it is a sanitary application, then stainless steel or bronze are better choices.

Which sealing option is correct for my application?

These pumps are available with single mechanical seal, double mechanical seal or magnetic drive. It is best to speak to a member of our sales team if you are unsure which sealing arrangement is best for your application.

What do the terms Atex and explosion proof mean and why are they so important?

ATEX is an abbreviation of “Atmospheres Explosibles”. It is a regulation set out by the European Union to ensure the safety of products that are used to handle flammable products or are installed in environments containing flammable gases, vapours, mists or combustible dusts. For instance, if the pump is being installed in an explosive environment, then only the motor needs to meet the Atex standard stopping it from causing a spark during operation and igniting the atmosphere. However, if the fluid being pumped is flammable, then the pump will also need to meet Atex standards to ensure that no sparks are caused inside the pump itself when the fluid goes through it. It is crucial that an Atex rated pump or motor are used for applications involving explosive environments or flammable fluids, using a non-Atex pump or motor in these situations is extremely dangerous and contravenes health and safety standards.

What is NPSH and why is it so important?

NPSH is an acronym for Net Positive Suction Head. NPSH measures the absolute pressure present in a fluid.

There are two main ways that NPSH is expressed in a pump system

NPSHa - This is the amount of Net Positive Suction Head available at the pump inlet. NPSHa demonstrates the amount of pressure acting on a fluid as it enters the pump. This measures the amount of pressure between the liquid staying in its current state and forming vapour bubbles (beginning to boil).

NPSHr - This is the amount of Net Positive Suction Head that the pump requires to operate without experiencing the damaging effect of cavitation, thus causing a dramatic reduction in pump performance.

It is very important to pay attention to these values when making a pump selection. Selecting a pump that requires more NPSH than is available in your system will cause fast and long-lasting damage to the pump and thus you will incur large repair costs and downtime.