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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Thick-Wall Plastic Pipe Fittings for Water
Connect these fittings to Schedule 80 pipe–they have thicker, stronger walls than standard-wall fittings so they can handle heavy duty industrial plumbing and water supply applications, such as water processing, waste water treatment, and irrigation. Fittings are plastic for good corrosion resistance. They meet ASTM specifications and testing requirements for material quality.
Fittings for drinking water meet NSF/ANSI Standard 61.
To prevent leaks in threaded connections, apply a sealant to the male threads. For plastic threads, apply a non-hardening, plastic-compatible sealant. Tape or sealants with PTFE are not recommended for plastic-to-plastic connections.
Note: For fittings that are not rated for pressure, you can use the pressure rating of the plastic pipe as a reference. Threaded fittings are limited to 50% of the rated pressure of the pipe.
Warning: Never use plastic pipe fittings and pipe with compressed air or gas.
For technical drawings and 3-D models, click on a part number.
- For Use With: Water
- Maximum Temperature: 180° F
- Specifications Met: ASTM D4101, ASTM F1498
- Pipe Nipples and Pipe: Use Schedule 80 Polypropylene Plastic
- Flanges: Use Class 150 Polypropylene Plastic
Fittings with stainless steel collar have a reinforcement on the female threads to prevent the threads from cracking.
Unions separate into three pieces so you can access your line.
| Pipe Size  | Material | Collar Material | O-Ring Material | Color | Max. Pressure | Each | |
NPT Threads | |||||||
|---|---|---|---|---|---|---|---|
| 1/2 | Polypropylene Plastic | Stainless Steel | Viton® Fluoroelastomer Rubber | Black | 150 psi @ 72° F | 0000000 | 000000 |
| 3/4 | Polypropylene Plastic | Stainless Steel | Viton® Fluoroelastomer Rubber | Black | 150 psi @ 72° F | 0000000 | 00000 |
| 1 | Polypropylene Plastic | Stainless Steel | Viton® Fluoroelastomer Rubber | Black | 150 psi @ 72° F | 0000000 | 000000 |
| 1 1/2 | Polypropylene Plastic | Stainless Steel | Viton® Fluoroelastomer Rubber | Black | 150 psi @ 72° F | 0000000 | 000000 |
| 2 | Polypropylene Plastic | Stainless Steel | Viton® Fluoroelastomer Rubber | Black | 150 psi @ 72° F | 0000000 | 000000 |
Gravity-Flow Polypropylene Pipe Fittings for Corrosive Chemical Waste
- For Use With: Deionized Water, Hydrochloric Acid, Oil, Phosphoric Acid, Salt Water, Solvents
- Maximum Temperature: 220° F
- Specifications Met: ASTM D4101, ASTM D635, ASTM F1412, UL 94 V-2
- Compatible with Gravity-Flow Polypropylene Pipe for Corrosive Chemical Waste
Made of polypropylene, these gravity-flow fittings withstand organic solvents, such as acetone, that would dissolve CPVC pipe. They also stand up to highly corrosive acids, such as hydrochloric acid, and alkalies. All meet UL and ASTM standards for flame retardance and self-extinguishment in the case of fire. They also meet strict ASTM specifications and testing requirements for material quality and product dimensions. They’re compatible with Orion Blueline No-Hub and Orion Rionfuse chemical waste pipe and pipe fittings.
270° bend connectors are also known as P-traps. Union connectors separate into three pieces for easy access to your line.
For technical drawings and 3-D models, click on a part number.
