Flowserve DuraClear Crystal 7 Barrier Fluid
Product Brand
Flowserve
Type
Lubricants
SubType
Barrier Fluid
About this product
DuraClear Crystal 7 combines exceptional lubricating properties with comprehensive chemical compatibility for optimum performance as a mechanical seal barrier fluid.
Strong chemistry enables strong performance. DuraClear Crystal 7 is a perfluoropolyether (PFPE) based fully synthetic oil. Comprised of fully bonded oxygen, fluorine and carbon atoms, this extremely stable molecule is equally extremely inert.
- Nontoxic
- Nonreactive
- Nonoxidizing
- Colorless
- Odorless
- Nonflammable
- Does not degrade with use or temperature
- Does not coke or crystallize
- Environmentally friendly
- Food grade
Compatible with all seal face materials
- Carbons
- Silicon Carbides
- Tungsten Carbides
DuraClear Crystal 7 is a Perfluoropolyether (PFPE) based oil which offers several benefits over ISO 7 grade CTFE fluids:
- Better compatibility with Lewis acids
- Better lubrication capability (lower seal face wear)
- More thermally stable
- No corrosive Chlorine in molecular chain
- Flatter viscosity curve vs temperature