Chemola / Desco 
Synthetic Valve Lubricants and Sealants

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DESCO Chemofluor 100-W (White)

Acid and Caustic Service

  • A synthetic lubricant for glycols, strong acids and strong alkalis, refinery and petrochemical plant use.
  • Chemofluor is recommended for hard to hold applications such as glycols, solvents, strong acids and strong alkalis. It is also recommended for aromatic service.
  • Chemofluor white is available for applications where discoloration in a product stream may create a problem. 

DESCO™  TFE-Seal 104

Hydrocarbon Service (Contains PTFE)

  • A synthetic lubricant/sealant formulated for general hydrocarbon service.
  • Contains fine grain PTFE particles suspended in a hydrocarbon resistant base.
  • Suitable for use on threads, gaskets, stuffing boxes and valve stems.
  • Pumpable with a high pressure (10,000p.s.i.) grease gun.

DESCO™  TFE-Seal 108

Synthetic Sealant for Hard to Seal Valves

  • The ultimate sealant for internally worn or damaged valves.
  • Contains a 100% synthetic base fluid for excellent resistance to washout from hydrocarbons.
  • Contains chemically inert PTFE for ultimate sealing capabilities. 
  • Can also be used as a sealant for stuffing boxes or as injectable packing.

DESCO 111 (HS)

Hydrogen Sulfide Service

  • A synthetic lubricant for valves, swivel joints, pumps and flanges in service on sour gases and crudes.
  • Used world wide in applications where hydrogen sulfide and carbon dioxide are present.
  • Desco 111 has high metal adhesion, corrosion resistance and is waterproof.

DESCO 111-LT

Hydrogen Sulfide Service / Arctic Grade
  • Chemola 111-LT is designed for use in valves under arctic conditions to -57°C (-75°F). 111-LT is extremely resistant to hydrogen sulfide and will not mix with water, preventing freeze-up in the valve. Imparts good metal protection, provides lubrication and is waterproof.

DESCO Polymel 410

Catalytic Alkylation's Service
  • A synthetic lubricant for hydrocarbon service.
  • Formulated with polymeric lubricant bases to enhance high and low temperature performance, and hydrocarbon resistance along with resistance to strong acids and bases.

DESCO Polymel 422

Hydrocarbon Service / High Temperature

  • A synthetic lubricant for hydrocarbon and high temperature service.
  • Polymel 422 has the enhanced performance of Polymel 410 but with molybdenum disulfide and graphite added as solid lubricants.
  • Polymel 422 converts to a solid film lubricant at temperatures above +232°C (+450°F).

DESCO Polymel 433

Hydrocarbon Service / Expanded Low Temperature
  • New from Chemola! Enhanced hydrocarbon resistance with superior high temperature performance.
  • Expanded low temperature range.
  • Maintains a heavy bodied grease consistently after extended exposure to high temperatures.

DESCO 600

Hydrocarbon Service

  • A superior lubricant formulated for resistance to hydrocarbons
  • Our most popular lubricant for non-sour services. Contains 100% synthetic oils with a non-soap thickener.

DESCO 620

Gate Valve Lubricant for WKM* Type Valves
  • "Peanut butter"  synthetic lubricant/sealant for use in gate valves with liquid and gaseous hydrocarbon service. 100% synthetic.

DESCO 621

Gate Valve Lubricant for WKM* Type Valves / Arctic Grade
  • New from Chemola! A 100% synthetic, arctic grade "peanut butter"  lubricant for use in gate valves in liquid and gaseous hydrocarbon service.
  • Pumpable at sub-zero temperatures.

DESCO 622

Hydrocarbon Service / Low Temperature

  • Desco 622 greatly expands the effective temperature range of synthetic valve lubricants while providing improved fuel and oil resistance.
  • Formulated with 100% synthetic base oils reinforced with a state-of-the art additive package to provide superior sealing and lubricating properties.

DESCO 660

Hydrocarbon Service / For McEvoy* Type Valves

  • A superior gate valve lubricant formulated with 100% synthetic oils and non-soap thickeners. Very effective in gas service (except chlorine, bromine, fluorine, and oxygen.
  • Has excellent metal adhesion, corrosion resistance, EP characteristics and is water proof.

DESCO750

High Temperature Service

  • Formulated with 100% synthetic oils for hydrocarbon resistance and high temperatures.
  • Desco 750 contains solid lubricants for effective lubrication at temperatures to +482°C (+900°F).
  • Service recommendations below +232°C (+450°F) are similar to Desco 600.

DESCO 800

Aromatic Hydrocarbon Service

  • A synthetic lubricant formulated for enhanced resistance to aromatic hydrocarbons and unleaded gasoline.
  • A blend of heavy bodied synthetic oils that have superior metal adhesion and resistance to hydrocarbon blends that have a high percentage of aromatic compounds.
  • Desco 800 is water resistant and has excellent oxidation resistance.

DESCO 850

Specialized Lubricant for Aromatic Hydrocarbon Service

  • A synthetic lubricant for valves, swivel joints, pumps and flanges in aromatic hydrocarbon  service.
  • Desco 850 is a grainy, full-bodied lubricant/sealant. tacky to the touch and soluble in water.

DESCO955

Premium Synthetic

  • An all-purpose hydrocarbon-resistant synthetic lubricant containing molybdenum disulfide.
  • Desco 955 is formulated with a solid lubricant (molybdenum disulfide) to provide lubrication to +316°C (+600°F).
  • Desco 955 is a standard lubricant used in gas pipelines.

DESCO960

Body Fill for Gate Valves with Cavities
  • Formulated for gate valves that contain body cavities. 
  • Desco 960 is an economical body fill that will displace water and other contaminants.
  • Desco 960 has high metal adhesion to lubricate and seal gates as they enter the body cavity. 

DESCOValve Cut

For Corroded and Frozen Valves
  • Desco Valve Cut is a formulated multi-ingredient, semi-fluid combination of penetrants and lubricants designed to dissolve and cut residual gums, lacquer deposits, inert solids and corrosion deposits that make valves hard or impossible to operate.
  • By using Desco Valve Cut a valve may be made operational without cutting the product or disassembling the valve.
  • Valve Cut is not  a permanent lubricant or sealant, but is compatible with most lubricants.
  • Valve Cut is not flammable and contains graphite for added lubricity.
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™ Trademark of the Chemola Division of South Coast Products Inc.
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