Castrol Aircol CM 46

Castrol Aircol CM 46 is based upon highly refined mineral oil, enhanced with additive technology providing excellent thermal and oxidative stability and good load carrying capacity, compared to other products in the same class.

Aircol CM grades are formulated without zinc additives (ashless oils), recommended for the lubrication of reciprocating and rotary screw air compressors.

Aircol CM air compressor oils exhibit low carbon forming tendencies and meet the requirements of the DIN 51506 VDL classification for reciprocating air compressors having air discharge temperatures up to 220°C.

For both oil flooded and oil injected rotary screw air compressors operating continuously at air discharge temperatures up to 90ºC, the product has been designed to meet service drain intervals of up to 4000 hours. For intermittent or continuous operation with air discharge temperatures above 90ºC, the manufacturers’ standard oil change periods should be used. The high FZG load carrying is designed also to meet geared air compressor units requirements.

Selection of the required viscosity grade should be based upon the compressor manufacturers’ recommendation.
However as a general guide, Aircol CM 32 and 46 are suitable for oil flooded rotary air compressors, whereas Aircol CM 68, CM 100 and 150 would be selected for lubricating the crankcase and cylinders of reciprocating air compressors.
Aircol CM 150 is also recommended for sliding-vane air compressors, or for reciprocating units at high ambient temperatures. The Aircol CM range is fully compatible with Castrol Aircol PD and MR ranges.

• Good water separation characteristics allows condensation to readily separate from the oil, minimising the risk of emulsions which could block the oil separator element.
• Fully inhibited against corrosion which enables protection even when operating under humid conditions.
• Good thermal stability, low volatility and low carbon formation reduces the risk of fire and explosion and leads to a longer operating life (up to 4000 hours).
• Low deposit forming tendencies extends oil change intervals and provides longer air filter life which contributes to a reduction in maintenance costs.
• Excellent coalescing properties mean little carry over of oil in the air stream.
• High load carrying to meet requirements of geared compressor units.

• Aircol CM air compressor oil range is classified as follows:
• ISO 6743-3 Compressor Oils
• DAA and DAB for reciprocating (piston) and drip freed rotary air compressors
• DAG and DAH for oil-flooded rotary screw air compressors
• Specific grades within the Aircol CM air compressor oil range, meet the requirements of:
• Sauer Compressors, Hatlapa (Types L,V, VA and W),
• Yanmar, Sanwa, Matsubara, Tanabe, Teikuko,
• Dongwha Pnetec, Bumhan,
• Burckhardt (VSB 1001132 E01 02).

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