Specification for Hydraulic O-Ring Materials, Properties, and Sizes for Metric and Inch Stud Ends, Face Seal Fitting and Four-Screw Flange Tube Connections
SPECIFICATION FOR HYDRAULIC O-RING MATERIALS, PROPERTIES, AND SIZES FOR METRIC AND INCH STUD ENDS, FACE SEAL FITTING AND FOUR-SCREW FLANGE TUBE CONNECTIONS
Elastomer: Acrylonitrile Butadiene Rubber (NBR) Hot Oil and Coolant Resistant, Low Swell 45 to 55 Type ‘A’ Durometer Hardness for Products in Engine Oil Systems/Coolant Systems
Elastomer: Fluorosilicone Rubber (FVMQ) High Temperature, High Modulus, Fuel and Oil Resistant 70 - 80 Shore A Hardness For Products in Fuel Systems/Lubricating Oils
Elastomer: Phenyl Methyl Vinyl Silicone (PVMQ) Low Temperature/Engine Oil Resistant High Strength/High Tear 55 to 65 Type “A” Hardness For Products in Aircraft Piston Engine Oil/Low Temperature Environments
Elastomer: Methyl/Methyl Vinyl Silicone, (MQ/MVQ) High Temperature/Gas Turbine Engine Oil/Phosphate Esther Hydraulic Fluid Resistant High Strength/High Tear/High Modulus 55 to 65 Type “A” Hardness For Products in High Temperature Environments/Gas Turbine Engine Oils