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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How to Measure Threaded Pipe Size
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Straight-Flow Rectangular Manifolds
Unlike other manifolds, which have an inlet on either end, these have one inlet on the opposite side from the outlets. This design allows fluid or air to follow a straight path, improving flow through your system. It also frees up the ends of the manifold, so you can mount it in corners and in narrow spaces. Manifolds are also known as headers. They have mounting holes, so you can mount from the top or side.
Anodized aluminum manifolds are the industry standard for the most common types of applications. They are lighter in weight than other metal manifolds and have good corrosion resistance. These manifolds are anodized for a black finish.
Use a plug (sold separately) to close off any unused inlets and outlets.
For technical drawings and 3-D models, click on a part number.
- For Use With: Air, Water, Hydraulic Fluid
- Temperature Range: -10° to 200° F
- Maximum Pressure:
Air: 1,000 psi @ 72° F
Water: 1,000 psi @ 72° F
Hydraulic Fluid: 3,000 psi @ 72° F
Inlet | Outlet | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| No. of Outlets | Pipe Size  | Dash Size | Pipe Size | Lg. | Wd. | Ht. | Outlet Ctr.-to-Ctr. | Color | Each | |
Standard Outlet Spacing | ||||||||||
| 2 | 1/8 | 2 | 1/16 | 1 3/4" | 1" | 1" | 3/4" | Black | 0000000 | 000000 |
Moisture-Resistant Push-to-Connect Tube Fittings for Air and Water
- For Use With: Air, Lubricated Air, Water,
except Manifolds with Swivel: Air, Water - Temperature Range: 32° to 100° F
- Tubing: Use with firm (Durometer 90A-95A) nylon plastic or polyurethane rubber
These fittings won’t absorb moisture, so they’re good for water and high-humidity air applications. Also known as instant fittings, they connect to tubing with a push, and an internal gripping ring and O-ring hold the tubing tight. To disconnect, push on the release ring and pull the tubing out of the fitting. They have good corrosion resistance.
Nickel-plated brass fittings have better corrosion resistance than unfinished brass fittings.
Fittings with thread sealant offer extra protection against leaks.
For technical drawings and 3-D models, click on a part number.
Fittings with intermittent swivel rotate 360° before and after installation as needed to allow movement in the system and to prevent kinking.
| Pipe Size | For Tube OD | Tube Connection Material | Color | Release Ring Color | Max. Pressure | Mount Type | Mounting Fasteners Included | Features | Choose a Pipe Connection Material | Each | |
NPT Threads | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1/16 | 1/8" | Polybutylene Plastic | Gray | Orange | 140 psi @ 72° F | Screw On | No | Acrylic Thread Sealant | 00000000 | 00000 | |
| 1/16 | 5/32" | Polybutylene Plastic | Gray | Orange | 140 psi @ 72° F | Screw On | No | Acrylic Thread Sealant | 00000000 | 0000 | |
| 1/16 | 1/4" | Polybutylene Plastic | Gray | Orange | 140 psi @ 72° F | Screw On | No | Acrylic Thread Sealant | 00000000 | 0000 | |