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 Fittings for Hot Water
Made of CPVC, these fittings can handle high temperatures. They have thick, strong walls to handle heavy duty industrial plumbing and water supply applications, such as water processing and waste water treatment. They also have good corrosion resistance. These fittings are comparable to Corzan. Some meet ASTM D1784 specifications and testing requirements for material quality.
Fittings for drinking water meet NSF/ANSI Standard 61.
Schedule 80 fittings have thick, strong walls for heavy duty, industrial applications.
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.
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.
- For Use With: Acetic Acid (10%), Calcium Chloride, Deionized Water, Drinking Water, Hydrochloric Acid (25%), Nitric Acid (10%), Phosphoric Acid (85%), Salt Water, Sulfuric Acid (75%), Water
- Maximum Temperature: 200° F
- Specifications Met: ASTM D1784, NSF/ANSI 61
- Pipe Nipples and Pipe: Use Schedule 80 CPVC Plastic
- Flanges: Use Class 150 CPVC Plastic
Attach socket-connect ends to unthreaded pipe or another socket-connect fitting with a CPVC primer and cement (also known as solvent weld).
Pipe Size | Socket Depth | Material | Schedule | Color | Max. Pressure | Each | |
| 1/4 | 5/8" | CPVC Plastic | 80 | Light Gray | Not Rated | 0000000 | 00000 |
| 3/8 | 3/4" | CPVC Plastic | 80 | Light Gray | Not Rated | 0000000 | 0000 |
| 1/2 | 7/8" | CPVC Plastic | 80 | Light Gray | Not Rated | 0000000 | 0000 |
| 3/4 | 1 3/32" | CPVC Plastic | 80 | Light Gray | Not Rated | 0000000 | 0000 |
| 1 | 1 3/16" | CPVC Plastic | 80 | Light Gray | Not Rated | 0000000 | 00000 |
| 1 1/4 | 1 5/16" | CPVC Plastic | 80 | Light Gray | Not Rated | 0000000 | 00000 |
| 1 1/2 | 1 13/32" | CPVC Plastic | 80 | Light Gray | Not Rated | 0000000 | 00000 |
| 2 | 1 1/2" | CPVC Plastic | 80 | Light Gray | Not Rated | 0000000 | 00000 |
| 2 1/2 | 1 7/8" | CPVC Plastic | 80 | Light Gray | Not Rated | 00000000 | 00000 |
| 3 | 2" | CPVC Plastic | 80 | Light Gray | Not Rated | 0000000 | 00000 |
| 4 | 2 11/32" | CPVC Plastic | 80 | Light Gray | Not Rated | 0000000 | 00000 |
| 6 | 3" | CPVC Plastic | 80 | Light Gray | Not Rated | 00000000 | 000000 |
- For Use With: Acetic Acid (10%), Calcium Chloride, Deionized Water, Drinking Water, Hydrochloric Acid (25%), Nitric Acid (10%), Phosphoric Acid (85%), Salt Water, Sulfuric Acid (75%), Water
- Maximum Temperature: 200° F
- Specifications Met: ASTM D1784, NSF/ANSI 61
- Pipe Nipples and Pipe: Use Schedule 80 CPVC Plastic
- Flanges: Use Class 150 CPVC Plastic
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 fitting, then wrench-tighten one to two turns.
| Pipe Size | Material | Schedule | Color | Max. Pressure | Each | |
NPT Threads | ||||||
|---|---|---|---|---|---|---|
| 1/4 | CPVC Plastic | 80 | Light Gray | Not Rated | 0000000 | 00000 |
| 3/8 | CPVC Plastic | 80 | Light Gray | Not Rated | 0000000 | 0000 |
| 1/2 | CPVC Plastic | 80 | Light Gray | Not Rated | 0000000 | 0000 |
| 3/4 | CPVC Plastic | 80 | Light Gray | Not Rated | 0000000 | 0000 |
| 1 | CPVC Plastic | 80 | Light Gray | Not Rated | 0000000 | 00000 |
| 1 1/4 | CPVC Plastic | 80 | Light Gray | Not Rated | 0000000 | 00000 |
| 1 1/2 | CPVC Plastic | 80 | Light Gray | Not Rated | 0000000 | 00000 |
| 2 | CPVC Plastic | 80 | Light Gray | Not Rated | 0000000 | 00000 |
| 3 | CPVC Plastic | 80 | Light Gray | Not Rated | 0000000 | 00000 |
| 4 | CPVC Plastic | 80 | Light Gray | Not Rated | 0000000 | 000000 |
- For Use With: Acetic Acid (10%), Calcium Chloride, Deionized Water, Drinking Water, Hydrochloric Acid (25%), Phosphoric Acid (85%), Salt Water, Sodium Hydroxide (50%), Sulfuric Acid (75%), Water
- Maximum Temperature: 200° F
- Specifications Met: ASTM D1784, NSF/ANSI 61
- Pipe Nipples and Pipe: Use Schedule 80 CPVC Plastic
- Flanges: Use Class 150 CPVC Plastic
Attach socket-connect ends to unthreaded pipe or another socket-connect fitting with a CPVC primer and cement (also known as solvent weld).
- For Use With: Acetic Acid (10%), Calcium Chloride, Deionized Water, Drinking Water, Hydrochloric Acid (25%), Phosphoric Acid (85%), Salt Water, Sodium Hydroxide (50%), Sulfuric Acid (75%), Water
- Maximum Temperature: 200° F
- Specifications Met: ASTM D1784, NSF/ANSI 61
- Pipe Nipples and Pipe: Use Schedule 80 CPVC Plastic
- Flanges: Use Class 150 CPVC Plastic
Attach socket-connect ends to unthreaded pipe or another socket-connect fitting with a CPVC primer and cement (also known as solvent weld).
| Pipe Size | OD | ID | Wall Thick. | Drive Size | Material | Schedule | Color | Max. Pressure | Each | |
| 1/2 | 27/32" | 0.546" | 0.147" | 1" | CPVC Plastic | 80 | Light Gray | Not Rated | 00000000 | 00000 |
| 3/4 | 1 3/64" | 0.742" | 0.154" | 1 3/16" | CPVC Plastic | 80 | Light Gray | Not Rated | 00000000 | 0000 |
| 1 | 1 5/16" | 0.957" | 0.179" | 1 1/2" | CPVC Plastic | 80 | Light Gray | Not Rated | 00000000 | 00000 |
| 1 1/4 | 1 21/32" | 1.278" | 0.191" | 1 13/16" | CPVC Plastic | 80 | Light Gray | Not Rated | 00000000 | 00000 |
| 1 1/2 | 1 29/32" | 1.5" | 0.2" | 2 3/32" | CPVC Plastic | 80 | Light Gray | Not Rated | 00000000 | 00000 |
| 2 | 2 3/8" | 1.939" | 0.218" | 2 9/16" | CPVC Plastic | 80 | Light Gray | Not Rated | 00000000 | 00000 |
- For Use With: Acetic Acid (10%), Calcium Chloride, Deionized Water, Drinking Water, Hydrochloric Acid (25%), Nitric Acid (10%), Phosphoric Acid (85%), Salt Water, Sulfuric Acid (75%), Water
- Maximum Temperature: 200° F
- Specifications Met: ASTM D1784, NSF/ANSI 61
- Pipe Nipples and Pipe: Use Schedule 80 CPVC Plastic
- Flanges: Use Class 150 CPVC Plastic
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 fitting, then wrench-tighten one to two turns.
| Pipe Size | Drive Size | Material | Schedule | Color | Max. Pressure | Each | |
NPT Threads | |||||||
|---|---|---|---|---|---|---|---|
| 1/4 | 21/32" | CPVC Plastic | 80 | Light Gray | Not Rated | 00000000 | 00000 |
| 3/8 | 13/16" | CPVC Plastic | 80 | Light Gray | Not Rated | 00000000 | 0000 |
| 1/2 | 15/16" | CPVC Plastic | 80 | Light Gray | Not Rated | 00000000 | 0000 |
| 3/4 | 1 3/32" | CPVC Plastic | 80 | Light Gray | Not Rated | 00000000 | 0000 |
| 1 | 1 9/16" | CPVC Plastic | 80 | Light Gray | Not Rated | 00000000 | 0000 |
| 1 1/4 | 1 25/32" | CPVC Plastic | 80 | Light Gray | Not Rated | 00000000 | 00000 |
| 1 1/2 | 2 1/32" | CPVC Plastic | 80 | Light Gray | Not Rated | 00000000 | 00000 |
| 2 | 2 7/16" | CPVC Plastic | 80 | Light Gray | Not Rated | 00000000 | 00000 |
| 2 1/2 | 3 1/8" | CPVC Plastic | 80 | Light Gray | Not Rated | 00000000 | 00000 |
| 3 | 3 23/32" | CPVC Plastic | 80 | Light Gray | Not Rated | 00000000 | 00000 |
| 4 | 4 23/32" | CPVC Plastic | 80 | Light Gray | Not Rated | 00000000 | 00000 |
| 6 | 6 7/8" | CPVC Plastic | 80 | Light Gray | Not Rated | 00000000 | 00000 |
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.
Cap flanges are also known as blind flanges.
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 |
Low-Pressure Clamp-On Connectors for Drain, Waste, and Vent
To make installing and maintaining systems easy, these connectors come with clamps that form a strong seal on pipe and fittings once tightened.
For technical drawings and 3-D models, click on a part number.
- For Use With: Air, Water
- Temperature Range: -40° to 120° F
- Specifications Met: ASTM D5926
- For Pipe Material: Cast Iron, Steel, Copper, Lead, PVC Plastic, CPVC Plastic, Polyethylene Plastic
| For Pipe OD | For Pipe Size | Max. Pressure | Material | Clamp Material | Flexibility | Each | |
Pipe | |||||||
|---|---|---|---|---|---|---|---|
| 1.9" | 1 1/2 | 4 psi @ 72° F | PVC Plastic | 300 Series Stainless Steel | Flexible | 0000000 | 00000 |
| 2 3/8" | 2 | 4 psi @ 72° F | PVC Plastic | 300 Series Stainless Steel | Flexible | 0000000 | 0000 |
| 3 1/2" | 3 | 4 psi @ 72° F | PVC Plastic | 300 Series Stainless Steel | Flexible | 0000000 | 0000 |
| 4 1/2" | 4 | 4 psi @ 72° F | PVC Plastic | 300 Series Stainless Steel | Flexible | 0000000 | 0000 |
| 5.6" | 5 | 4 psi @ 72° F | PVC Plastic | 300 Series Stainless Steel | Flexible | 00000000 | 00000 |
| 6.6" | 6 | 4 psi @ 72° F | PVC Plastic | 300 Series Stainless Steel | Flexible | 00000000 | 00000 |
| 8 1/2" | 8 | 4 psi @ 72° F | PVC Plastic | 300 Series Stainless Steel | Flexible | 00000000 | 00000 |
| 10.47" | 10 | 4 psi @ 72° F | PVC Plastic | 300 Series Stainless Steel | Flexible | 00000000 | 00000 |
| 12.7" | 12 | 4 psi @ 72° F | PVC Plastic | 300 Series Stainless Steel | Flexible | 00000000 | 00000 |
Socket-Connect Fittings for Plastic Tubing—Drinking Water
- Temperature Range: 40° to 180° F
- Tubing: Use with hard CPVC plastic
- Specifications Met: ASTM D2846, National Standard Plumbing Code, NSF/ANSI 61, NSF/ANSI 372, UPC Compliant, NSF/ANSI 14
Slide CPVC tubing into the socket end of these fittings and seal with cement for a permanent connection. They are also known as solvent-weld fittings and CTS (Copper Tube Size) fittings.
Copper tube size is the accepted designation of the copper tubing industry, not the actual tube OD.
For technical drawings and 3-D models, click on a part number.
