Palatek Pal-EXTRA 44 Replacement Oil

Sigma Coolant 46 is an extended life ISO 46 synthetic air compressor oil designed as a replacement for Palatek Pal-EXTRA 44. It is engineered for rotary screw compressors operating in high-demand industrial environments. Supplied in a 55-gallon drum, this formulation is designed for plant-scale operations requiring long drain intervals, consistent thermal stability, and dependable compressor protection.

Built to resist oxidation, varnish formation, and internal deposit buildup, Sigma Coolant 46 helps maintain cleaner compressor systems while protecting bearings, rotors, and compression components under continuous-duty operation. Its stable ISO 46 viscosity supports reliable lubrication across demanding temperatures and heavy-load industrial applications.

Rated for up to 12,000 hours of service life at temperatures up to 200°F, this extended life compressor oil supports reduced oil change frequency, minimized downtime, and improved long-term equipment reliability. The 55-gallon drum format is ideal for centralized lubrication programs, high-volume facilities, and multi-compressor operations.

Key Benefits

• Up to 12,000-hour service life under normal operating conditions
• ISO 46 synthetic compressor oil for balanced protection and performance
• Excellent oxidation resistance to help control varnish and sludge formation
• Strong thermal stability in high-temperature compressor systems
• Promotes internal cleanliness and extended component life
• Designed specifically for rotary screw air compressors
• Helps reduce maintenance frequency and plant-level downtime
• 55-gallon drum ideal for facility-wide lubrication management

Applications

Recommended for industrial facilities operating:

• Rotary screw air compressors requiring ISO 46 lubricant
• High-duty compressed air systems with extended drain programs
• Manufacturing plants, processing facilities, and production environments
• Centralized maintenance programs managing multiple compressor units

OEM Cross-Reference (For Identification & Compatibility Reference Only)

Suitable for compressor systems operating with extended life ISO 46 lubricants commonly used in:

• Palatek Pal-EXTRA 44

AirCompressors.com is an independent distributor and supplier and is not affiliated with, authorized by, or endorsed by any original equipment manufacturer referenced above. OEM names and trademarks are used strictly for identification and compatibility purposes.

Why Choose AirCompressor.com House Brand Lubricants?

• Industrial-grade lubricant engineered for compressor system durability
• Transparent ISO viscosity alignment and technical specifications
• Competitive alternative to OEM extended life compressor oils
• Reliable availability for large-scale maintenance operations

Sigma Coolant 46 delivers extended-life synthetic lubrication designed for plant-wide compressor protection and long-term operational efficiency.

If you’re unsure whether this is the right replacement oil, you can quickly verify compatibility using our
compressor lubricant cross reference tool.
For additional guidance, explore our
cross reference guide
or review the
oil equivalent chart
to compare compatible options.