1/4 in. x 1/2 in. Compression x Male NPT Elbow
1/4 in. x 1/2 in. Compression x Male NPT Elbow
Overview
The Midland 18227 is a 90-degree elbow in forged brass, with a 1/4 in. tube OD compression inlet and a 1/2 in. male NPTF outlet on a 7/16-24 x 1/2-14 thread combination. It turns a 1/4 in. tube run a right angle into a larger 1/2 in. threaded port and is rated to 300 psi for copper, aluminum, and thermoplastic tubing.
Technical Specifications
| Part Number | 18227 |
| Tube Size | 1/4 in. tube OD compression |
| Thread Size | 1/2 in. male NPTF (7/16-24 x 1/2-14) |
| Fitting Type | 90-degree Elbow |
| Material | Forged Brass |
| Pressure Rating | 300 psi |
| Temperature Rating | -65°F to 250°F |
Materials of Construction
| Body | Forged Brass |
| Nut & Sleeve | Brass |
| For Use With | Copper, aluminum, and thermoplastic tubing |
Typical Applications
Used to turn a 1/4 in. tube line 90 degrees into a 1/2 in. NPTF port on pumps, manifolds, valves, and equipment ports. The forged-brass body and 300 psi rating suit compressed air, oil, fuel, and water service where the run must change direction and step up to a larger threaded connection.
Cross-Reference and Interchange
This brass compression elbow cross-references to these competitor and industry part numbers: 00069-0408, 169x4x8, 18-227, 269C-4-8, 69-48, 694D, 69-4D, 69A-4D, 69F-48, 69x4x8, D694D, D69-4D, P-69-48. Replacing one of these? Match nominal size, connections, and rating, or send us your part number and we will confirm the interchange.
Sizing and Installation Resources
- Compression Fitting Sizing Chart
- Brass Fitting Types and Sizes Guide
- NPT Thread Tightening: Turns Past Hand-Tight
- Teflon Tape vs. Pipe Dope
Frequently Asked Questions
What tubing fits the compression end?
1/4 in. OD copper, aluminum, or thermoplastic tubing seats into the brass compression sleeve.
Do I seal the NPTF threads?
NPTF is a dryseal thread; it seals metal-to-metal, but PTFE tape or pipe dope is commonly added on the 1/2 in. male end for extra assurance.
What is the pressure rating?
300 psi, over a -65°F to 250°F temperature range.
WARNING: This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.