Product Description
UL Nitrile O-Rings from Datwyler”s Parco Brand: UL-certified O-Rings combining US industry know-how with Swiss quality standards.
The Datwyler Advantage: Our UL-certified nitrile O-rings have excellent physical properties. Combine that with batch number and cure date traceability, as well as a wide variety of applications, and rest assured that you’ve made the right choice.
Key Benefits
Parco’s 0228-70 nitrile seals are ideal for use in fuels. Key features include the following:
• Outstanding resistance to aggressive fuels:
Parco 0228-70 seals show minimal swell in low alcohol fuel applications.
• UL-listed:
Parco 0228-70 seals are listed by UL-157 for end-use applications in gasoline/alcohol blends.
• Wide range of service temperatures:
Parco 0228-70 seals are suitable for applications ranging from -40 to +200°F.
Chemical Resistance
USE WITH
Ammonia
Diester Synthetic Lubricants
Gasoline
Naphtha
Propane
DO NOT USE WITH
Automatic Transmission Fluid
Hot Air
Ultraviolet Light
91000004970
Overview
O-Rings
Material
NITRILE BUTADIENE RUBBER – NBR
Dash Number
390
Nominal CS
3/16
Inches CS
0.210
Nominal Size O.D.
21 3/8
Inches O.D.
21.375
Nominal Size I.D.
21
Inches I.D.
20.955
Inches I.D. Tol.
0.095
Inches CS Tol.
0.005
COMPOUND COLOUR
BLACK



