The Adaptor Cap – ORFS Female SAE Specification is designed to seal off male O-Ring Face Seal (ORFS) fittings in hydraulic systems. These caps are built to SAE standards and are commonly used in high-pressure applications.
Technical Specifications
Standard: SAE J5143
Type: Female ORFS Cap (e.g., FS304C series)
Thread Type: Straight thread (UN/UNF)
Seal Type: O-ring face seal
Material: Forged carbon steel or 316L stainless steel
Plating: Trivalent zinc for corrosion resistance
O-Ring Material: NBR (Buna-N); Viton available upon request Â
These caps are designed to thread onto male ORFS fittings and compress the O-ring against the flat face for a leak-proof sealÂ
Applications
Hydraulic systems in construction, agriculture, and industrial machinery
Temporary or permanent sealing of unused ORFS ports
Protection against contamination and fluid leakage