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Pipe Size Pipe Size | Show |
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Thread Type Thread Type |
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System of Measurement System of Measurement |
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Tank Connection Type Tank Connection Type |
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| Weld | |
Type Type |
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| Adapter | |
For Tank Surface For Tank Surface |
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Shape Shape |
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| Straight | |
Tank Adapter Style Tank Adapter Style |
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Connection Style Connection Style |
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| Threaded |
For Use With For Use With |
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Gender Gender |
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Connection Type Connection Type |
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| Pipe | |
DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Maximum Pressure Maximum Pressure |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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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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Low-Pressure Iron and Steel Threaded Pipe Fittings
Use these fittings for low-pressure applications in noncorrosive environments.
Adapters for tanks create an inlet or outlet connection on the surface of any tank, pressure vessel, or drum. Adapters with weld end allow for a permanent connection. Adapters with extension fit tightly into the hole, which keeps the fitting steady during welding.
For technical drawings and 3-D models, click on a part number.
Straight Adapters with Extension for Flat Tanks

- For Use With: Diesel Fuel, Gasoline, Oil, Water
- Specifications Met: ASTM A181, ASME B1.20.1
| Pipe Size | For Hole Dia. | OD | Lg. | Material | Each | |
NPT Female × Weld | ||||||
|---|---|---|---|---|---|---|
| 4 | 4 11/16" | 5 13/16" | 1 7/32" | Carbon Steel | 00000000 | 000000 |
Straight Adapters for Flat Tanks

- For Use With: Diesel Fuel, Gasoline, Oil, Water
- Specifications Met: ASTM A105, ASTM A181
| Pipe Size | For Hole Dia. | OD | Lg. | Material | Each | |
NPT Female × Weld | ||||||
|---|---|---|---|---|---|---|
| 4 | 5 1/8" | 5 3/4" | 1 3/16" | Carbon Steel | 00000000 | 000000 |


























