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 requiring long service intervals and reliable thermal stability. Packaged in a 5-gallon pail for maintenance teams and industrial operations, this high-performance lubricant supports dependable compressor protection, cleaner operation, and reduced downtime.

Formulated to resist oxidation, varnish formation, and internal deposits, Sigma Coolant 46 helps maintain a cleaner compressor interior while protecting bearings, rotors, and compression elements from wear. Its stable ISO 46 viscosity supports consistent lubrication across demanding temperatures and high-load industrial environments where performance and uptime matter.

Rated for up to 12,000 hours of service life at temperatures up to 200°F, this extended life compressor oil is designed to reduce oil change frequency, extend maintenance intervals, and lower total operating costs. The 5-gallon format is ideal for scheduled PM programs, multi-unit service, and facility-level stocking.

Key Benefits

• Up to 12,000-hour service life under normal operating conditions
• ISO 46 synthetic compressor oil for balanced protection and efficiency
• Excellent oxidation resistance to help reduce varnish and sludge buildup
• Strong thermal stability for high-temperature compressor environments
• Supports internal compressor cleanliness and extended component life
• Designed specifically for rotary screw air compressors
• Helps reduce maintenance intervals, downtime, and total operating costs
• 5-gallon pail format for efficient servicing and facility use

Applications

Recommended for industrial facilities operating:

• Rotary screw air compressors requiring ISO 46 lubricant
• Compressed air systems running extended drain maintenance programs
• Industrial environments where long-life compressor oil performance is required
• Maintenance teams servicing multiple compressors or high-usage equipment

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 scheduled maintenance programs

Sigma Coolant 46 delivers extended-life synthetic lubrication designed to protect industrial compressor systems and support long-term operational efficiency.

Choosing the correct compressor oil is important for performance and equipment longevity. If you need help confirming compatibility, you can search our
oil cross reference tool,
browse the
compressor lubricant guide,
or use the
equivalent chart
to find suitable alternatives for your system.