18091 by Midland | Compression Fitting | Bulkhead Union | 1/2" Tube OD | Straight | Brass
Midland Industries
Brass Fitting - Compression Fitting - Bulkhead Union - Brass
Product Data:
Shape:
Straight
Ends Configuration:
Material(s):
Specifications and Approvals:
| Applications: | Use with copper, aluminum and thermoplastic tubing. Not recommended for steel tubing. Manufactured for low and medium pressure tubing connection work where excessive vibration or tube movement is not involved. Not recommended for application using gaseous media. | Used With: | Aluminum, copper, brass and plastic tubing. Plastic tubing requires insert. Not recommended for steel tubing. |
|---|---|---|---|
| SAE Rating: | SAE# 060101 | Conformance: | Meets specifications and standards of ASA, ASME and SAE. |
| Vibration: | Fair resistance - use long nut when greater vibration resistance is needed. | Temperature Range: | -65°F to +250°F (-53°C to +121°C) range at maximum operating pressures. (Refer to tubing temperature range.) |
| Lead Free: | These are NOT Lead Free | Tolerance: | +/- .02 on all dimensions. |
- 1) Cut tubing to desired length.
- 2) Slide nut and then sleeve on tube. Threaded end "A" of nut must face toward fitting.
- 3) Insert tubing into fitting body. Be sure tubing is bottomed on fitting shoulder.
- 4) Lubricate threads and assemble nut to fitting body.
- 5) Tighten nut hand tight. From that point, tighten with a wrench the number of turns indicated below.
- Tube Size: 1/8" thru 1/4" | Additional Turns from Hand Tight: 1-1/4"
- Tube Size: 5/16" | Additional Turns from Hand Tight: 1-3/4"
- Tube Size: 3/8" thru 1" | Additional Turns from Hand Tight: 2-1/4"
 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Tube OD | 1/8" | 3/16" | 1/4" | 5/16" | 3/8" | 7/16" | 1/2" | 5/8" | 3/4" | 7/8" | |
| Thread Size - B | 5/16-24 | 3/8-24 | 7/16-24 | 1/2-24 | 9/16-24 | 5/8-24 | 11/16-20 | 13/16-18 | 1-18 | 1-1/8-18 | |
| Working Pressure | 400 PSI | 400 PSI | 300 PSI | 300 PSI | 200 PSI | 200 PSI | 200 PSI | 150 PSI | 100 PSI | 75 PSI | |
Working Pressures at 73°F.
| Crossover Series: | ||
|---|---|---|
| 62BH | 75 | 274 |
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|---|---|---|---|---|---|
| Part Number | Size | A | Hex 1 | Hex 2 | Approx. Weight (Lbs.) |
| 18087 | 3/16" | 1.25" | 0.56" | 0.50" | 0.07 |
| 18088 (18-088) |
1/4" | 1.58" | 0.56" | 0.56" | 0.10 |
| 18089 | 5/16" | 1.68" | 0.625" | 0.625" | 0.11 |
| 18090 (18-090) |
3/8" | 1.76" | 0.68" | 0.68" | 0.14 |
| 18091 | 1/2" | 1.92" | 0.82" | 0.875" | 0.24 |
| 18093 | 5/8" | 2.01" | 1.00" | 0.94" | 0.32 |
Dimension data can change without notice.