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Dry Claw Vacuum Pumps

DZS Dry claw pump

Connected to empower

We provide vacuum across thousands of applications like central systems in hospitals, CNC routing, pneumatic conveying, milking parlors, safely, reliably, cost effectively and continuously.

Reliability you can trust

Tens and thousands of claw pumps continue to work quietly and efficiently in all corners of the world. With a low failure rate over a long lifetime, our pumps work even in the most challenging conditions.

Masters of innovation

When we acquired Edwards, the company that first introduced claw technology to vacuum applications in the high-tech electronics industry, we combined our innovative multi-claw technology for compressors, knowledge and experience to produce low cost, efficient and reliable products.

Fully certified

Our dry claw machines meet the demanding requirements of ISO 9001, ISO 14001 and OHSAS 18001, as verified by Lloyds of London. With a market-leading warranty and a service support network across 180 countries you get a 24/7 assurance that your products and your processes are constantly kept in the best possible working order.

Built-in corrosion resistance

Corrosion resistant stainless steel claws – as standard and a durable coated pumping chamber makes the DZS suitable for many harsh applications.

Easy maintenance

Long life bearings and seals, a separate and isolated pumping element, and the simplest of designs suited for quick access to the pumping chamber make for easy cleaning in the event of product carry-over.

Efficient Vacuum Pumps with low lifecycle costs

The new range based on Atlas Copco’s dry claw technology features an innovative design which creates a new benchmark in the claw pump market. The simplicity, robustness, efficiency and contaminant handling capability of these pumps make them the smart choice for your application. Built to the exacting standards and quality demanded by our customers, the new dry claw pump provides you with a trouble-free and cost-effective solution to meet your needs.

Innovative features like the dry (oil-free) pumping chamber, low noise levels, efficient motors, compact design with a small footprint, ensure efficiency.

Designed for a long life of reliable, efficient operation

The dry claw machine boasts some fantastic design features including stainless steel corrosion resistant claws. The renowned Atlas Copco surface coating applied to the pumps process chambers has proven to be unrivalled in our compressors.

Technical product specifications

Vacuum version (50Hz) Metric Imperial
Nominal displacement: 65 – 300 m3/hr 38 – 176 cfm
Ultimate pressure: 50 – 140 mbar(a) 37.5 – 105 Torr
Shaft power: 1.8 – 6.2 kW 2.0 – 8.3 hp
Low Pressure version (50 Hz) Metric Imperial
Nominal displacement: 150 – 300 m3/hr 90 – 180 cfm
Ultimate pressure: 2.5 bar(g) 36 psi(g)
Shaft power: 11 – 19 kW 15 – 25 hp

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