Description
Tube to Tube Adapter (Straight Union)
A Tube to Tube Adapter, commonly known as a Tube Union, is an instrumentation fitting used to connect two tubes of the same or different sizes in a straight line.
It ensures a leak-tight, vibration-resistant, high-pressure connection using a single or double ferrule compression design.
Tube to Tube Adapter Sizes
Tube OD Range
| Tube OD (Inch) | Tube OD (mm) |
|---|---|
| 1/16″ | 1.6 mm |
| 1/8″ | 3.2 mm |
| 1/4″ | 6.35 mm |
| 3/8″ | 9.52 mm |
| 1/2″ | 12.7 mm |
| 3/4″ | 19.05 mm |
| 1″ | 25.4 mm |
| 1 1/4″ | 31.75 mm |
| 1 1/2″ | 38.1 mm |
| 2″ | 50.8 mm |
Available Material Grades
Stainless Steel
- SS 304 / 304L
- SS 316 / 316L
- SS 321
- SS 904L
Carbon Steel
- ASTM A105
- ASTM A350 LF2
Alloy Steel
- ASTM A182 F5
- ASTM A182 F11
- ASTM A182 F22
Duplex & Super Duplex
- UNS S31803
- UNS S32205
- UNS S32750
- UNS S32760
Key Features
- Leak-proof double ferrule sealing
- High pressure resistance
- Excellent corrosion resistance
- Suitable for vibration & impulse service
- Reusable & easy installation
- Compact and durable design
Applications
- Instrumentation Lines
- Oil & Gas Plants
- Chemical Processing
- Power Plants
- Hydraulic & Pneumatic Systems
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