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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CPVC Pipe Flanges for Hot Water
- For Use With: Acetic Acid (10%), Calcium Chloride, Deionized Water, Drinking Water, Hydrochloric Acid (25%), Phosphoric Acid (85%), Salt Water, Sulfuric Acid (75%), Water,
Fixed Cap Flanges: Acetic Acid (10%), Calcium Chloride, Deionized Water, Drinking Water, Hydrochloric Acid (25%), Nitric Acid (10%), Phosphoric Acid (85%), Salt Water, Sulfuric Acid (75%), Water - Pressure Class: 150
- Maximum Temperature: 200° F
- Specifications Met: ASTM D1784, NSF/ANSI 61
- Pipe Nipples and Pipe: Use Schedule 80 CPVC Plastic
- Fittings: Use Schedule 80 CPVC Plastic
Made of CPVC, these flanges can handle high temperatures up to 200° F. They meet NSF/ANSI Standard 61 for drinking water. Bolt two same-size flanges together with a gasket (sold separately) to create an access point within a line. Also known as Pressure Class 150 flanges, they have thick, strong walls to handle heavy duty industrial plumbing and water supply applications, such as water processing and waste water treatment. Flanges have good corrosion resistance. They meet ASTM D1784 specifications and testing requirements for material quality. They are comparable to Corzan.
Warning: Never use plastic pipe flanges and pipe with compressed air or gas.
Sealants cannot be sold to Colorado, Connecticut, District of Columbia, Delaware, Illinois, Indiana, Massachusetts, Maryland, Maine, Michigan, New Hampshire, New Jersey, Northern Virginia, New York, Ohio, Pennsylvania, Rhode Island, or Utah due to local regulatory limits on VOCs (Volatile Organic Compounds).
For technical drawings and 3-D models, click on a part number.
Attach socket-connect ends to unthreaded pipe or another socket-connect fitting with a CPVC primer and cement (also known as solvent weld).
Rotating flanges are also known as Van Stone flanges; they swivel for easy bolt hole alignment.
Bolt Hole | ||||||||
|---|---|---|---|---|---|---|---|---|
Pipe Size | Flange OD | For Bolt Dia. | Dia. | No. of | Bolt Circle Dia. | Color | Each | |
| 1/2 | 3 1/2" | 1/2" | 5/8" | 4 | 2 3/8" | Light Gray | 00000000 | 000000 |
| 3/4 | 3 7/8" | 1/2" | 5/8" | 4 | 2 3/4" | Light Gray | 00000000 | 00000 |
| 1 | 4 1/4" | 1/2" | 5/8" | 4 | 3 1/8" | Light Gray | 00000000 | 00000 |
| 1 1/4 | 4 5/8" | 1/2" | 5/8" | 4 | 3 1/2" | Light Gray | 00000000 | 00000 |
| 1 1/2 | 5" | 1/2" | 5/8" | 4 | 3 7/8" | Light Gray | 00000000 | 00000 |
| 2 | 6" | 5/8" | 3/4" | 4 | 4 3/4" | Light Gray | 00000000 | 00000 |
| 2 1/2 | 7" | 5/8" | 3/4" | 4 | 5 1/2" | Light Gray | 00000000 | 00000 |
| 3 | 7 1/2" | 5/8" | 3/4" | 4 | 6" | Light Gray | 00000000 | 00000 |
| 4 | 9" | 5/8" | 3/4" | 8 | 7 1/2" | Light Gray | 00000000 | 00000 |
| 6 | 11" | 3/4" | 7/8" | 8 | 9 1/2" | Light Gray | 00000000 | 000000 |
| 8 | 13 1/2" | 3/4" | 7/8" | 8 | 11 3/4" | Light Gray | 00000000 | 000000 |
| Pipe Cement for Max. Pipe Size 6 | 00000000 | Each | 000000 |
Attach socket-connect ends to unthreaded pipe or another socket-connect fitting with a CPVC primer and cement (also known as solvent weld).
Rotating flanges are also known as Van Stone flanges; they swivel for easy bolt hole alignment.
Bolt Hole | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Pipe Size | OD | ID | Wall Thick. | Flange OD | For Bolt Dia. | Dia. | No. of | Bolt Circle Dia. | Color | Maximum Temperature | Each | |
| 1/2 | 27/32" | 0.825" | 0.147" | 3 1/2" | 1/2" | 5/8" | 4 | 2 3/8" | Light Gray | 200° F | 00000000 | 000000 |
| 3/4 | 1 3/64" | 0.981" | 0.154" | 3 7/8" | 1/2" | 5/8" | 4 | 2 3/4" | Light Gray | 200° F | 00000000 | 00000 |
| 1 | 1 5/16" | 1.28" | 0.179" | 4 1/4" | 1/2" | 5/8" | 4 | 3 1/8" | Light Gray | 200° F | 00000000 | 00000 |
| 1 1/4 | 1 21/32" | 1.602" | 0.191" | 4 5/8" | 1/2" | 5/8" | 4 | 3 1/2" | Light Gray | 200° F | 00000000 | 00000 |
| 1 1/2 | 1 29/32" | 1.868" | 0.2" | 5" | 1/2" | 3/4" | 4 | 3 7/8" | Light Gray | 200° F | 00000000 | 00000 |
| 2 | 2 3/8" | 2.3" | 0.218" | 6" | 5/8" | 3/4" | 4 | 4 3/4" | Light Gray | 200° F | 00000000 | 00000 |
| 2 1/2 | 2 7/8" | 2.822" | 0.276" | 7" | 5/8" | 3/4" | 4 | 5 1/2" | Light Gray | 200° F | 00000000 | 000000 |
| 3 | 3 1/2" | 3.475" | 0.3" | 7 1/2" | 5/8" | 3/4" | 4 | 6" | Light Gray | 200° F | 00000000 | 000000 |
| 4 | 4 1/2" | 4.365" | 0.337" | 9" | 5/8" | 7/8" | 8 | 7 1/2" | Light Gray | 200° F | 00000000 | 000000 |
| 6 | 6 5/8" | 6.535" | 0.432" | 11" | 3/4" | 7/8" | 8 | 9 1/2" | Light Gray | 200° F | 00000000 | 000000 |
| Pipe Cement for Max. Pipe Size 6 | 00000000 | Each | 000000 |
To prevent leaks in threaded connections, apply a non-hardening, plastic-compatible sealant to the male threads. Tape or sealants with PTFE are not recommended for plastic-to-plastic threaded connections. When making a threaded connection be careful not to overtighten the threads. To prevent cracks and leaks, finger tighten the flange, then wrench-tighten one to two turns.
Rotating flanges are also known as Van Stone flanges; they swivel for easy bolt hole alignment.
Bolt Hole | ||||||||
|---|---|---|---|---|---|---|---|---|
| Pipe Size | Flange OD | For Bolt Dia. | Dia. | No. of | Bolt Circle Dia. | Color | Each | |
| 1/2 | 3 1/2" | 1/2" | 5/8" | 4 | 2 3/8" | Light Gray | 00000000 | 000000 |
| 3/4 | 3 7/8" | 1/2" | 5/8" | 4 | 2 3/4" | Light Gray | 00000000 | 00000 |
| 1 | 4 1/4" | 1/2" | 5/8" | 4 | 3 1/8" | Light Gray | 00000000 | 00000 |
| 1 1/4 | 4 5/8" | 1/2" | 5/8" | 4 | 3 1/2" | Light Gray | 00000000 | 00000 |
| 1 1/2 | 5" | 1/2" | 3/4" | 4 | 3 7/8" | Light Gray | 00000000 | 00000 |
| 2 | 6" | 5/8" | 3/4" | 4 | 4 3/4" | Light Gray | 00000000 | 00000 |
| 2 1/2 | 7" | 5/8" | 3/4" | 4 | 5 1/2" | Light Gray | 00000000 | 000000 |
| 3 | 7 1/2" | 5/8" | 3/4" | 4 | 6" | Light Gray | 00000000 | 000000 |
| 4 | 9" | 5/8" | 7/8" | 8 | 7 1/2" | Light Gray | 00000000 | 000000 |
| Non-Hardening Thread Sealant | 000000 | Each | 000000 |