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How to Identify and Measure Fittings
Pipe size is an industry designation, not the actual size. View information about how to measure threaded and unthreaded pipe and pipe fittings.
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30° Flared Fittings for Steel Tubing
- Specifications Met: See table
Also known as JIS (Japanese Industrial Standard) fittings, these have a 30° flare on one or both ends. Fittings are zinc-plated steel for fair corrosion resistance.
Straight Adapters, Male 30° Flared Tube × Male 37° Flared Tube
- Temperature Range: -65° to 500° F
| For Tube OD | Pipe Size  | Material | Max. Pressure | Specifications Met | Each | |
| 3/8" | 1/4 | Zinc-Plated Steel | 5,000 psi @ 72° F | ISO 228-1, ISO 263, ISO 8434-2, JIS B 0202, JIS B 8363, SAE J514 | 0000000 | 000000 |
| 1/2" | 3/8 | Zinc-Plated Steel | 5,000 psi @ 72° F | ISO 228-1, ISO 263, ISO 8434-2, JIS B 0202, JIS B 8363, SAE J514 | 0000000 | 00000 |
| 5/8" | 1/2 | Zinc-Plated Steel | 4,500 psi @ 72° F | ISO 228-1, ISO 263, ISO 8434-2, JIS B 0202, JIS B 8363, SAE J514 | 0000000 | 00000 |
Straight Adapters, Female 30° Flared Tube × Male 37° Flared Tube
- Temperature Range: -65° to 500° F
Fittings with female tube end have an internal flare that mates with the male tube end of another fitting.
| For Tube OD | Pipe Size | Material | Max. Pressure | Specifications Met | Each | |
| 3/8" | 1/4 | Zinc-Plated Steel | 5,000 psi @ 72° F | ISO 228-1, ISO 263, ISO 8434-2, JIS B 0202, JIS B 8363, SAE J514 | 0000000 | 000000 |
| 1/2" | 3/8 | Zinc-Plated Steel | 5,000 psi @ 72° F | ISO 228-1, ISO 263, ISO 8434-2, JIS B 0202, JIS B 8363, SAE J514 | 0000000 | 00000 |
| 5/8" | 1/2 | Zinc-Plated Steel | 4,500 psi @ 72° F | ISO 228-1, ISO 263, ISO 8434-2, JIS B 0202, JIS B 8363, SAE J514 | 0000000 | 00000 |
| 7/8" | 3/4 | Zinc-Plated Steel | 3,500 psi @ 72° F | ISO 228-1, ISO 263, ISO 8434-2, JIS B 0202, JIS B 8363, SAE J514 | 0000000 | 00000 |
Straight Adapters (Swivels Until Tightened), Female 30° Flared Tube × Female 37° Flared Tube
- Temperature Range: -65° to 500° F
Fittings that swivel until tightened have a built-in nut that rotates 360° for easy installation.
Fittings with female tube end have an internal flare that mates with the male tube end of another fitting.