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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High-Pressure Plated Brass Threaded Pipe Fittings
The plating on these brass fittings creates a shiny finish and provides extra protection in corrosive environments. Fittings have the strength to handle high-pressure applications.
Nickel-plated brass fittings provide better corrosion resistance than unplated brass fittings.
Through-wall fittings are also known as bulkhead couplings and panel-mount couplings; they mount through a wall or panel to create an inlet or outlet.
For technical drawings and 3-D models, click on a part number.
- For Use With: Air, Natural Gas, Oil, Water
Nickel-Plated Brass | |||||
|---|---|---|---|---|---|
| Pipe Size  | Thread Size | For Max. Wall Thick. | Max. Pressure | Each | |
BSPP Female × Metric Male | |||||
| 3/8 | M26 × 1.5 mm | 0.591" | 1,080 psi @ 72° F | 00000000 | 000000 |
Compact Extreme-Pressure Steel Threaded Pipe Fittings
These fittings are strong enough to handle extreme pressures, yet small enough to fit into cramped spaces. They are galvanized and zinc-plated steel, which have better corrosion resistance than plain steel fittings. BSPP and metric male threads have either a gasket, or a gasket and washer, to prevent leaks.
For technical drawings and 3-D models, click on a part number.
Male Threads with
Gasket and Washer
- For Use With: See table
- Specifications Met: See table
| Pipe Size (A) | Thread Size (A) | Dash Size (A) | Pipe Size (B) | Thread Size (B) | Dash Size (B) | Max. Pressure | Material | For Use With | Specifications Met | Each | |
NPT Female × Metric Male | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 3/4 | __ | 12 | __ | M26 × 1.5 mm | __ | 3,000 psi @ 72° F | Galvanized Steel | Air, Hydraulic Fluid, Oil, Water | ASME B1.20.3, DIN 7631, ISO 6149, ISO 9974 | 00000000 | 000000 |
Metric Female × NPT Male | |||||||||||
| __ | M26 × 1.5 mm | __ | 3/4 | __ | 12 | 3,500 psi @ 72° F | Galvanized Steel | Air, Hydraulic Fluid, Oil, Water | ASME B1.20.3, DIN 7631, ISO 6149, ISO 9974 | 00000000 | 00000 |
- Temperature Range: -20° to 230° F
| For Thread Size | Gasket Material | Thickness | Each | |
For Metric Male | ||||
|---|---|---|---|---|
| M26 | Buna-N Rubber | 2.5mm | 00000000 | 00000 |