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SYNTHETIC NATURAL GAS COMPRESSOR
NOTE: The information in this publication is the result of careful testing in our laboratories, complemented by selected literature. It does not in any way constitute a guarantee, nor does it serve as a license to operate any patent. Due to widely
Product Data Sheet
PGS SERIES
varying conditions of product use, which are beyond our control, it is strongly recommended that the product be tested for suitability. Product typical properties in this publication are current as of May 13, 2002.
Summit PGS synthetic lubricants are polyglycol-based
products for use in natural gas rotary screw compressors.
The resistance to thinning out by hydrocarbon dilution
allows PGS to maintain the proper operating viscosity,
extending drain intervals and parts life. This unique blend
is specifically additive treated with rust and corrosion
P.O. Box 131359 鈥? Tyler, CR 2120, Texas 75713, Phone 903.534.8021 鈥? Fax 903.581.4376
inhibitors, oxidation control agents, anti-wear compounds,
and hydrogen sulfide inhibitors. Contact your Summit repre-
sentative for specific product recommendations.
As the PGS lubricants are incompatible with petroleum oils,
care should be taken to make sure the two are not mixed.
September 24, 2003
Physical Properties
PRODUCTS PGS-68 PGS-150
PGS-100
ISO Grade 68 100 150
Viscosity
@ 40掳C, cSt 68 100 148
@ 100掳C, cSt 14.8 19.4 27.8
@ 100掳F, SUS 340 501 746
@ 210掳F, SUS 78.2 97.8 135
Viscosity Index 230 218 227
Pour Point, 掳F (掳C) -38 (-39) -34 (-37) -30 (-34)
Density, g/ml, 60掳F 1.0413 1.0441 1.0484
100掳F 1.0243 1.0276 1.0321
185掳F 0.9852 0.9902 0.9939
Flash Point, 掳F (掳C) 450 (232) 450 (232) 460 (238)
Thermal Characteristics:
Specific Heat Thermal Conductivity
Cal/g-潞C BTU/Hr/(Ft*潞F)
60潞C = 0.48 100潞F = 0.095
80潞C = 0.49 200潞F = 0.090
100潞C = 0.51
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