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Claw vacuum pumps in the NDC Series feature a compact, energy-efficient design that makes them a reliable and sustainable choice for various industrial applications. Harsh-duty versions are available with a protective coating, inlet filter, condensate drain in silencer, and flushing capabilities, among other standard features. Dry claw vacuum pumps operate in a dry, non-contacting manner due to extremely tight machining tolerances. As a result, no lubricant or sealant is required, friction is minimized, and required maintenance is minimal.

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NASH Dry Claw Vacuum Pumps, Air-Cooled & Compact Design

NASH NDC dry claw vacuum pumps adopt active cooling technology and are suitable for medium-vacuum applications in general industrial fields.

Claw Vacuum Pumps | NDC Series

Nash specializes in dry claw vacuum technology and provides a wide range of dry vacuum pumps packaged as bare pumps, pre-engineered or engineered-to-order systems.   Engineered-to-order systems  are custom-designed to meet customer process requirements. Pre-engineered packages are available for quick shipment with plug & play installation. Claw vacuum pumps offer significant process and economic benefits. Dry technology provides lower installation expenses, easier maintenance, low running costs, and reduced environmental impact while providing a more flexible vacuum. 

Advantages of Dry Claw Vacuum Technology

Dry claw vacuum pumps offer significant advantages for industrial applications. With a claw vacuum pump, industries can achieve significant cost savings due to its energy-efficient performance, low maintenance, and long-lasting durability. This makes it a preferred choice for demanding industrial processes. With a robust and durable design and low maintenance requirements, claw pumps are engineered for high performance in tough environments. Other advantages include:

  • Quiet Operation 
  • Low Maintenance and Cost of Ownership
  • Energy-Efficient
  • Variable Speed Drive (VSD) Compatible
  • Passive and Active Cooling Options
  • Reduced Footprint
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Applications and Industries

Applications for Claw Vacuum Pumps


Vacuum technology is required in many applications - plastic extrusion, drying, bottling, packaging, and within central hospital systems worldwide. Claw pumps are offered in a wide range of standard sizes and can be engineered to order for specific applications and considerations. Dry claw vacuum pumps are sometimes used in tandem with   booster pumps  but can be used alone when high vacuum or slower pump-down rates are allowed.

Claw vacuum pumps are the preferred vacuum technology in thermoforming, milking parlors, water and sewage handling, pick and place, water drying, medical systems, and paper converting.

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Claw Vacuum Pump Rotors

Applications and Industries

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Chucking

General pick and place (chucking) operations are frequently handled with NASH vacuum systems & pre-engineered package systems.
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Plastic Extrusion

NASH vacuum pumps can be configured to handle the water carryover associated with sizing & calibration tables in plastic extrusion
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Bottle Filling

NASH vacuum systems are oil-free, require little maintenace, & are well-known for their reliability in bottle filling applications
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Milking Systems

NASH vacuum systems use no oil, are tolerant of carryover, require minimal maintenance, used to milk cows, and transport the milk.

Frequently Asked Questions

A dry claw vacuum pump is a type of vacuum pump that operates without the need for lubricating oil in the compression chamber. It uses claw-shaped rotors to create a vacuum by trapping and compressing air or gas. This design eliminates the risk of oil or contamination in the evacuated space, making it suitable for applications where oil-free operation is essential, such as industries like electronics or   food processing. 

The Nash Difference

Nash offers unparalleled expertise in the design and manufacturing of vacuum pump systems. The NDC Series of claw pumps are available as a bare pump or as an incorporated component in a custom-engineered vacuum solution package suited for your unique process requirements. Offering a wide portfolio of bare pumps and custom engineered-to-order systems, you can count on Nash to provide a reliable and efficient vacuum system engineered for any demand of tough industrial applications. Find the right solution for your application needs by contacting Nash today.

Nash claw vacuum pump technology combines precision engineering with advanced features to ensure optimal performance for industrial needs, further cementing its reputation as a leader in vacuum solutions.

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