DGX Premium FG-H1 Compressor Lubricant

$69.00
In Stock
SKU
UC-10002
DGX Premium FG-H1 is a synthetic compressor lubricant formulated from a polyalphaolefin (PAO) base with a proprietary additive package to achieve longer service life.

DGX Premium Lubricants are also available in a "six pack" carton containing quantity six (6) one-gallon jugs for a total savings of $60.00 over the single gallon price.

DGX Premium FG-H1 Compressor Lubricant

DGX Premium FG H1 Long Life Ester Bases Lubricant
DGX Premium FG H1 Long Life Ester Bases Lubricant In Beaker to Show Color
  • Synthetic polyalphaolefin (PAO) base lubricant
  • Proprietary additive package to achieve longer service life
  • Designed for use in high-pressure compressors
  • USDA Food Grade classification H-1 rating

DGX Premium FG-H1 is a synthetic compressor lubricant formulated from a polyalphaolefin (PAO) base with an ISO Viscosity Grade 100, a flash-point of 275°C, and a proprietary additive package to achieve longer service life. It has a USDA Food Grade classification H-1 rating and is packaged in a white HDPE easy-pour jug containing { 1 US Gallon | 3.785 Litres } of lubricant that is factory sealed with re-closeable safety lock cap.

Compared to the currently available H-1 food grade lubricants, DGX Premium FG-H1 long life lubricant provides significantly improved wear, oxidation and lubricity that allows the replacement interval to increase by 50% to 100%. DGX Premium FG-H1 long life lubricant out performs the widely used generic "Compressor Fluid - 2000 hour" sold under a variety of dive industry supplier brand names, making FG-H1 a better value. DGX Premium FG-H1 is designed for use in multi-stage reciprocating high-pressure compressors commonly used in the SCUBA diving industry. DGX Premium FG-H1 is intended for use in breathing air applications and suitable for Nitrox (nitrogen, oxygen) and Trimix (nitrogen, oxygen, helium) gas mixtures up to a maximum of 40% oxygen.

DGX Premium FG-H1 is compounded for Dive Gear Express by Ultrachem Inc, a long established supplier specializing in premium synthetic lubricants.
More Information
SKU UC-10002
Brand DGX
Weight (lbs) 8.5000
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Nitrox and Compressor Lubrication

Using mineral oil based petroleum lubricants with Nitrox compressors has too much potential for carbon monoxide contamination due to their relatively low flash point temperatures in the 100°C range. So when the dive industry started compressing Nitrox, polyalphaolefins with higher flash point temperatures over 200°C became the de facto recommendation for lubricating Nitrox compressors.

Today, PAO lubricant performance in compressors is surpassed by the synthetic ester based high-performance lubricants. Esters have a similar flash-point temperature range and, also like PAOs, there is no published data available as to how esters perform in Nitrox compressors. Lubrication professionals (called tribologists) we have consulted are of the opinion that if PAO lubricants are good with Nitrox then ester base lubricants are better; given their excellent performance in higher temperature applications with superior oxidation stability that resists formation of varnishes and carbon deposits. Based on our own long experience compressing Nitrox, we suggest considering our DGX Premium D-100 or FE-150 ester based high-performance lubricants.

When compressing Nitrox instead of air a prudent practice is to reduce lubricant replacement intervals regardless of the type of lubricant. Many operators reduce lubricant replacement intervals by one-third, or for harsh conditions by one-half, when compressing sport diving mixtures of Nitrox.

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