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NXT-717 is specifically formulated for use in ammonia refrigeration systems. It utilizes premium 2-stage hydrocracked base fluids that are ideally suited for use in ammonia refrigeration systems due to three properties: low solubility with ammonia, excellent fluidity at low temperatures and long fluid life. NXT-717 is also rated as top-off compatible with almost all competitive ammonia compressor fluids.
Using NXT-717 offers the following benefits:
Ideal suitability for ammonia-based refrigeration systems — NXT-717 is formulated for low solubility with ammonia. This balanced approach to solubility helps reduce oil carryover (oil loss). It also helps ensure proper oil return to the compressor, preserving thermal efficiency by preventing lubricant from accumulating in the system and building film in the evaporator.
Better system efficiency through enhanced cold-temperature fluidity — With its high viscosity index and low pour point, NXT-717 remains fluid even at temperatures below -40°C. NXT-717’s superior low-temperature fluidity helps promote lubricant return, reducing efficiency-robbing film deposits within the evaporator.
Significantly Reduced oil loss, fewer top-offs and enhanced energy savings — NXT-717 results in 50% to 80% less oil carryover versus competitive formulations. This is due to NXT-717’s extremely low volatility, low solubility with ammonia and high surface tension.
Longer fluid life leads to fewer, less frequent change-outs — NXT-717’s advanced formulation and additive components lead to a very high thermal stability as well as exceptional resistance against oxidation and the formation of carbon, varnish and sludge. As a result, it has an extraordinarily long fluid life and allows for extended drain intervals.
Less downtime and longer-lasting components — NXT-717’s high film strength and low solubility with ammonia reduces viscosity dilution and lubricant washout. This ensures that NXT-717 maintains its lubricating properties and offers continuous protection against wear. Combined with longer fluid life, this fluid will likely result in longer lasting components.
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NXT Refrigeration lubricants are unique in the industry: We have consulted industry experts, contractors and end users to ensure that our formulations are built to withstand real-world operating conditions. They have been developed and formulated specifically for the needs of our customers with a focus on quality, performance and equipment protection. By choosing NXT Refrigeration lubricants, you can count on receiving the best solutions for your equipment available on the market.
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