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"With the COBRAs installed, I don't even think about vacuum pumps anymore. That is a testament to their reliability and ease of operation" - Cliff Moore, Reliability Engineer
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Operating Principle
Related Products
COBRA
COBRAoverview
COBRA N «A» Series
COBRA N «B» Series
COBRA AC
COBRA DS DL DP BA
Industries Served
Beverage Industry
Brickmaking and Ceramics
Environmental Technology
Food Industry
Pharmaceutical Industry
Plastics Industry
Research and Laboratory
COBRA N «A» Series

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COBRA_N_0070_0900_A (metric units)

Operating Principle
 

Description
COBRA N are high efficiency dry screw vacuum pumps suitable for many industrial applications as well as chemical and pharmaceutical processes. As no contact between screws and cylinders takes place and no sealing fluids are needed, COBRA N vacuum pumps can convey vapours and liquids without contamination. The many options available for cooling, sealing or coating makes the COBRA N suitable for almost any application or process.

The "A" series COBRA N pumps provide vacuum down to 0.075 torr and pumping speeds up to 180 CFM.

Features
 Non-touching and oil-free operation
 Reliable, low maintenance simple-stage design
 High compatibility with water vapour and liquids
 Various non-contaminating cooling options
 Compact dimensions
 Non-contaminating operation - no waste disposal costs
 Available with self-contained cooling system
 Low vibration and low-noise operation


Options

 Explosion proof motor
 NEMA 7 temperature switches
 Evaporation cooling water system
 Nitrogen purge
 John Crane seals on discharge end
 Seal purge gas system
 Oil lubricated mechanical seals on inlet end
 Other protective coatings
 Control panel
 Combination knockout pot / inlet filter
 Condensers


Standard Equipment

 TEFC motor
 Exhaust check valve
 Exhaust silencer
 Exhaust and water temperature switches
 Direct cooling water system with solenoid valve
 Adjusting valve
 Pressure gauge
 Orifice union
 Labyrinth/lip seals on discharge and inlet ends
 Protective defric coating



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