Overview
The Western Enterprises SS-603A is a precision-engineered inlet nipple designed for regulator connections in compressed gas and refrigerant service applications. This CGA660-rated fitting combines a stainless steel nipple with an integrated washer, delivering reliable sealing and durability in demanding industrial environments. The SS-603A meets strict pressure and material specifications for safe operation at pressures up to 3000 psig.
Key Features
- CGA 660 inlet nipple configuration for standard regulator compatibility
- Stainless steel construction provides superior corrosion resistance
- Integrated washer eliminates need for separate sealing components
- 1/4″ MPT (Male Pipe Thread) connection for secure attachment
- Rated to 3000 psig for high-pressure gas service
- Manufactured by Western Enterprises—a leader in gas service equipment
Technical Specifications
- Material: Stainless Steel
- Thread Size: 1/4″ MPT (Male Pipe Thread)
- CGA Standard: CGA 660
- Pressure Rating: 3000 psig
- Overall Length: 2-1/4″ (2.25 inches)
- Thread Type: NPT (National Pipe Thread)
- Application: Regulator inlet nipple
- Configuration: Packaged with washer
Typical Applications
- Refrigerant gas regulator inlet connections
- Compressed gas cylinder regulator assemblies
- HVAC/R system repairs and maintenance
- Industrial gas service equipment
- Pressure gauge and regulator manifolds
- OEM replacement in welding and process control equipment
Compatibility & Replacements
Compatible With
- CGA 660 regulator inlet ports
- Standard 1/4″ NPT regulator manifolds
- Compressed gas cylinder regulators rated for CGA 660
- Industrial regulator assemblies and control systems
- HVAC/R service regulators
Replaces / Drop-In Replacement For
- Western Enterprises 603 (brass version)
- Equivalent CGA 660 inlet nipple assemblies
- OEM regulator inlet fittings with 1/4″ NPT connection
Works With
- Refrigerant regulators (R-22, R-134a, R-410A compatible)
- Oxygen, nitrogen, argon, and inert gas regulators
- Standard NPT-threaded regulator bodies and nuts
- Industrial gas delivery and control systems
