Capable of superior performance in even the most severe operating conditions, the Nexa Series packed-plunger and hydraulic double-diaphragm metering pumps represent one of heavy industry’s most versatile, robust and reliable fluid metering and dosing solutions.
Nexa’s exceptional build quality enables stable dosing even under extreme operating pressures and temperatures, from wellhead chemical injection in oil and gas applications to pyrophoric liquids handling in chemical compounds manufacturing.
Designed to meet API 675 3rd edition standard and compliant to Norsok M-501 & M-630, NACE 0175, ATEX2014/34/EU, TR CU 004-010-020-012/2011 and Shell DEP (various), Nexa can be safely operated in hazardous processes, reassuring operators of the pump’s suitability regardless of the application.
Technical Features
- Pressure: Up to 600 barg for hydraulic diaphragm and 650 for packed plunger
- Flow Rate: Up to 10,000 l/h with a single head
- Fluid temperature: From -20°C to 80°C (from -40°C to 150°C on request)
- Wetter Parts: SS 316L, PP, PVDF and PTFE (exotic alloys available on request)
Mechanism
Full-motion type in seven different sizes, featuring:
- Oil-bath lubrication
- Low-noise internal worm gearbox
- High-precision stroke adjustment for ultrafine volume control
- Increased turndown ratio achievable via frequency converter
- Housing available in cast iron as standard and nodular cast iron to cope with harsh ambient conditions
- Exakta-designed electrical and pneumatic actuators available