nES SINGLE STAGE EX SERIES ROTARY VANE PUMPS FOR EXPLOSIVE ENVIRONMENTS

EDWARDS THE PARTNER OF CHOICE Edwards is a world leader in the design, technology and manufacture of vacuum pumps for industrial applications with over 100 years’ history. We believe in delivering results that bring value to our customers by using our breadth of industry experience to identify and apply solutions. Using the most innovative and up-to-date modelling techniques, we can optimise the pumping configuration for customers to provide a system design giving the maximum performance in the most reliable and cost-effective way.

nES SINGLE STAGE EX SERIES NEXT GENERATION SINGLE STAGE ROTARY VANE PUMPS The Edwards nES single stage EX series represents the next advance in single stage oil sealed rotary vane vacuum pumps for use in explosive environments. EXPLOSIVE ENVIRONMENTS Edwards nES single stage EX series rotary vane pumps have been specifically designed to be capable of handling gases from a potentially explosive atmosphere and to operate in environments where a potentially explosive atmosphere can be present. Pumps have been certified under the ATEX directive 2014/34/EU. nES single stage EX series pumps are equipped...

Equipment with a range of sensors providing protection in-line in with ATEX directive 2014/34/EU. Designed for minimal hot spots ensuring lowest possible temperature class. The pump mechanism is designed with attention to detail that guarantees a class-leading ultimate vacuum level without the pressure fluctuations. Inlet connections are compatible with DN ISO and ANSI flanges providing the user with installation flexibility. 7. DIRECT DRIVE TECHNOLOGY Motors are certified to ATEX directive 2014/34/EU. Variants are also available for the US market. 3. INTEGRATED OIL MIST FILTER The improved integrated...

Built-in sensors and monitoring providing added protection Suitable for a wide range of applications High pumping speed at low pressures Stable vacuum performance with no pressure fluctuation Good condensable vapour handling capability with gas ballast High reliability through proven technology Low noise and vibration Space efficient through compact design Optimised oil return system and integrated exhaust mist filter Efficient air cooled motor Low and easy maintenance - therefore high productivity nES Single Stage EX Series Oil Seale

APPLICATIONS The nES single stage EX series pumps are suitable for use in a broad range of applications where protection in explosive environments is required. Few applications areas where an appropriate level of protection is required: • • • • Chemical Pharmaceutical Sterilising with ethylene oxide Recovery of air conditioning gases Degassing of power plant alternator oil Automotive Gas vapour recovery Gas bottle filling nES Single Stage EX Series Oil Sealed Rota

TECHNICAL DATA Units mbar / torr mbar / torr DN100 ISO-K / ANSI 4" DN100 ISO-K / ANSI 4" Ultimate vacuum (total pressure) no gas ballast Ultimate vacuum (total pressure) with gas ballast Inlet connection Outlet connection Max permitted outlet pressure Max water vapour pumping rate (50 Hz) Max water vapour pumping rate (60 Hz) Motor Protection rating Motor Power (50 Hz) Ultragrade Endurance Extend 110 nES Single Stage EX Series Oil Sealed Rotary Van

INLET PORT SPACE FOR EXHAUST FILTER EXCHANGE AND COOLING SPACE FOR THE MOTOR'S VENTILATION EXHAUST PORT nES65ex SPACE FOR EXHAUST FILTER EXCHANGE AND COOLING SPACE FOR THE MOTOR'S VENTILATION 706 INLET PORT EXHAUST PORT nES100ex SPACE FOR EXHAUST FILTER EXCHANGE AND COOLING SPACE FOR THE MOTOR'S VENTILATION INLET PORT EXHAUST PORT nES Single Stage EX Series Oil Sealed Rotary Vane Pumps

nES200ex SPACE FOR EXHAUST FILTER EXCHANGE AND COOLING 350 INLET PORT SPACE FOR THE MOTOR'S VENTILATION 150 EXHAUST PORT nES300ex SPACE FOR EXHAUST FILTER EXCHANGE AND COOLING 350 INLET PORT SPACE FOR THE MOTOR'S VENTILATION 150 EXHAUST PORT * Inlet flange height nES630ex A: SPACE TO ACCESS TO ELECTRICAL CONNECTION A>500 PLUGS FOR CONNECTION OF EXTERNAL FILTRATION DEVICE (G3/8") PT100 TEMPERATURE SENSOR GAS BALLAST VALVE GRAVITY CENTER TOLERANCE : nES Single Stage EX Series Oil Sealed Rotary Vane Pumps

nES Single Stage EX Series Oil Sealed Rotary Vane Pumps

SERVICE AND SUPPORT nES single stage EX series pumps are designed with a number of features which enable both routine maintenance to be conducted with minimal specialised tooling and knowledge. Scheduled routine maintenance shall include activities deemed beneficial to the continued performance and longevity of the product. All work must be done by suitably trained ATEX personnel. Before any maintenance operations are carried out on the pump, it should be ensured that the pump and its surroundings are free from flammable atmospheres and dust deposits. We provide the following fast and effective...

GLOBAL CONTACTS Publication Number: 3602 008 9 01 © Edwards Limited 2019. All rights reserved Edwards and the Edwards logo are trademarks of Edwards Limited Whilst we make every effort to ensure that we accurately describe our products and services, we give no guarantee as to the accuracy or completeness of any information provided in this brochure. Edwards Ltd, registered in England and Wales No. 6124750, registered office: Innovation Drive, Burgess Hill, West Sussex, RH15 9TW, UK. Part of the Atlas Copco Group EDWARDS ASIA PACIFIC EMEA UK Belgium France Singapore Taiwan nES Single Stage EX...