Parker 179CA-6-4 Compression Male 45 Elbow 1/4-18 Brass

Product Description

The PARKER 179CA-6-4 is a brass compression-to-male NPT 45-degree elbow fitting designed for tube-to-pipe connections in fluid and pneumatic systems. It accepts a compression-style tube on one end and threads into a female NPTF port on the other, creating a reliable, leak-resistant connection at a 45-degree angle. Rated to 1000 psi maximum working pressure, it handles temperatures from -65 degrees F to 250 degrees F. The brass construction provides corrosion resistance suitable for air, water, oil, and many hydraulic fluid applications. Plumbers, pipefitters, and HVAC technicians install this fitting where a straight connection is not practical and a directional change is needed.

This fitting is suited for residential and light commercial installations involving copper or compatible compression tubing routed into NPTF-threaded ports on valves, manifolds, pumps, or equipment panels. The 45-degree elbow geometry reduces stress on tubing runs that require a moderate directional offset without the full bend of a 90-degree elbow. It is a common choice in refrigeration line sets, hydraulic control circuits, and plumbing supply lines where space is limited and a clean, angled transition is required.

Key Features

• 45-degree elbow geometry for directional tube routing with reduced bend stress
• Compression x MNPT end connections for tube-to-pipe transitions without soldering
• 1/4-18 NPTF thread standard for pressure-tight, thread-sealing engagement
• Rated to 1000 psi maximum working pressure
• Operating temperature range from -65 degrees F to 250 degrees F
• Brass construction for corrosion resistance across a wide range of fluid media

Compatibility

Designed as an OEM-style compression fitting for use with compatible compression tubing and 1/4-18 NPTF female-threaded ports in fluid, pneumatic, and refrigeration systems.

Installation Notes

Installation is typically performed by licensed plumbers, pipefitters, or HVAC technicians. Shut off and depressurize the system completely before removing or installing any fitting. Hand-tighten the compression nut first, then apply wrench torque gradually to avoid over-compression of the ferrule, which can damage the tube or fitting seat. NPTF threads are designed for pressure-tight engagement without sealant tape, though local codes may specify additional sealing practices — follow applicable IPC or IFGC requirements for the specific fluid service.