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.
Attach socket-connect ends to unthreaded pipe or another socket-connect fitting with a PVC primer and cement (also known as solvent weld).
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: Drinking Water, Water
- Maximum Temperature: 140° F
- Specifications Met: ASTM D1784, NSF/ANSI 61
- Pipe Nipples and Pipe: Use Schedule 80 PVC Plastic
- Flanges: Use Class 150 PVC Plastic
Pipe Size | OD | ID | Wall Thick. | Material | Color | Each | |
NPT Threads | |||||||
|---|---|---|---|---|---|---|---|
| 1/2 | 27/32" | 0.546" | 0.147" | PVC Plastic | Dark Gray | 00000000 | 00000 |
| 3/4 | 1 3/64" | 0.742" | 0.154" | PVC Plastic | Dark Gray | 00000000 | 0000 |
| 1 | 1 5/16" | 0.957" | 0.179" | PVC Plastic | Dark Gray | 00000000 | 00000 |
| 1 1/4 | 1 21/32" | 1.278" | 0.191" | PVC Plastic | Dark Gray | 00000000 | 00000 |
| 1 1/2 | 1 29/32" | 1.5" | 0.2" | PVC Plastic | Dark Gray | 00000000 | 00000 |
| 2 | 2 3/8" | 1.939" | 0.218" | PVC Plastic | Dark Gray | 00000000 | 00000 |
Standard-Wall Plastic Pipe Fittings for Water
Connect these fittings to Schedule 40 plastic pipe–they are the industry standard for residential and commercial low-pressure plumbing and water supply applications. They are plastic for good corrosion resistance.
Fittings for drinking water meet NSF/ANSI Standard 61.
Attach socket-connect ends to unthreaded pipe or another socket-connect fitting with a PVC primer and cement (also known as solvent weld).
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. Fittings that meet ASTM D1784, ASTM D1785, and ASTM D4066 adhere to specifications and testing requirements for material quality.
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: Drinking Water, Water
- Maximum Temperature: 140° F
- Specifications Met: ASTM D1784, NSF/ANSI 61
- Pipe Nipples and Pipe: Use Schedule 40 PVC Plastic
- Flanges: Use Schedule 40 PVC Plastic
| Pipe Size | OD | ID | Wall Thick. | Material | Color | Each | |
NPT Threads | |||||||
|---|---|---|---|---|---|---|---|
| 1/2 | 27/32" | 0.622" | 0.109" | PVC Plastic | White | 00000000 | 00000 |
| 3/4 | 1 3/64" | 0.824" | 0.113" | PVC Plastic | White | 00000000 | 000 |
| 1 | 1 5/16" | 1.049" | 0.133" | PVC Plastic | White | 00000000 | 0000 |
| 1 1/4 | 1 21/32" | 1.38" | 0.14" | PVC Plastic | White | 00000000 | 0000 |
| 1 1/2 | 1 29/32" | 1.61" | 0.145" | PVC Plastic | White | 00000000 | 0000 |
| 2 | 2 3/8" | 2.067" | 0.154" | PVC Plastic | White | 00000000 | 0000 |
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, 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).
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 | OD | ID | Wall Thick. | Material | Schedule | Color | Max. Pressure | Each | |
NPT Threads | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1/2 | 27/32" | 0.546" | 0.147" | CPVC Plastic | 80 | Light Gray | Not Rated | 00000000 | 00000 |
| 3/4 | 1 3/64" | 0.742" | 0.154" | CPVC Plastic | 80 | Light Gray | Not Rated | 00000000 | 0000 |
| 1 | 1 5/16" | 0.957" | 0.179" | CPVC Plastic | 80 | Light Gray | Not Rated | 00000000 | 00000 |
| 1 1/4 | 1 21/32" | 1.278" | 0.191" | CPVC Plastic | 80 | Light Gray | Not Rated | 00000000 | 00000 |
| 1 1/2 | 1 29/32" | 1.5" | 0.2" | CPVC Plastic | 80 | Light Gray | Not Rated | 00000000 | 00000 |
| 2 | 2 3/8" | 1.939" | 0.218" | CPVC Plastic | 80 | Light Gray | Not Rated | 00000000 | 00000 |
UV-Resistant Polypropylene Pipe Fittings for Chemicals
Made of polypropylene, these fittings won’t deteriorate when exposed to the damaging effects of ultraviolet light and are suitable to use outdoors. They have the chemical resistance to withstand a wide variety of acids, solvents, and other harsh substances. Apply a non-hardening, plastic-compatible sealant to the male threads to prevent leaks. 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.
Schedule 80 fittings have thicker, stronger walls than Schedule 40 fittings for heavy duty, industrial chemical processing applications.
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 VOC (Volatile Organic Compounds) regulations.
For technical drawings and 3-D models, click on a part number.
- For Use With: Acetic Acid (5%), Calcium Chloride, Hydrochloric Acid (10%), Phosphoric Acid (85%), Salt Water, Sodium Hydroxide, Sulfuric Acid (30%), Water
- Temperature Range: 0° to 150° F
- Pipe Nipples and Pipe: Use Schedule 80 Polypropylene Plastic
- Flanges: Use Class 150 Polypropylene Plastic
| Pipe Size | Schedule | Lg. | Material | Color | Max. Pressure | Each | |
NPT Threads | |||||||
|---|---|---|---|---|---|---|---|
| 1/4 | 80 | 1 1/4" | Polypropylene Plastic | Black | 300 psi @ 72° F | 00000000 | 00000 |
| 3/8 | 80 | 1 1/4" | Polypropylene Plastic | Black | 300 psi @ 72° F | 00000000 | 0000 |
| 1/2 | 80 | 1 15/16" | Polypropylene Plastic | Black | 300 psi @ 72° F | 00000000 | 0000 |
| 3/4 | 80 | 2 1/16" | Polypropylene Plastic | Black | 300 psi @ 72° F | 00000000 | 0000 |
| 1 | 80 | 2 3/8" | Polypropylene Plastic | Black | 300 psi @ 72° F | 00000000 | 0000 |
| 1 1/4 | 80 | 2" | Polypropylene Plastic | Black | 300 psi @ 72° F | 00000000 | 0000 |
| 1 1/2 | 80 | 2 1/2" | Polypropylene Plastic | Black | 300 psi @ 72° F | 00000000 | 0000 |
| 2 | 80 | 2 1/2" | Polypropylene Plastic | Black | 300 psi @ 72° F | 00000000 | 0000 |
| Non-Hardening Thread Sealant (8-oz. Brush-Top Can) | 000000 | Each | 000000 |
- For Use With: Acetic Acid (5%), Calcium Chloride, Hydrochloric Acid (10%), Phosphoric Acid (85%), Salt Water, Sodium Hydroxide, Sulfuric Acid (30%), Water
- Temperature Range: See table
- Pipe Nipples and Pipe: Use Schedule 80 Polypropylene Plastic
- Flanges: Use Class 150 Polypropylene Plastic
| Pipe Size (A) | Pipe Size (B) | Schedule | Material | Color | Max. Pressure | Temp. Range, °F | Each | |
NPT Threads | ||||||||
|---|---|---|---|---|---|---|---|---|
| 1/4 | 3/8 | 80 | Polypropylene Plastic | Black | 150 psi @ 72° F | 32° to 140° | 000000000 | 00000 |
| 1/2 | 1/4 | 80 | Polypropylene Plastic | Black | 150 psi @ 72° F | 32° to 140° | 000000000 | 000 |
| 1/2 | 3/8 | 80 | Polypropylene Plastic | Black | 300 psi @ 72° F | 0° to 150° | 000000000 | 0000 |
| 3/4 | 3/8 | 80 | Polypropylene Plastic | Black | 150 psi @ 72° F | 32° to 140° | 000000000 | 000 |
| 3/4 | 1/2 | 80 | Polypropylene Plastic | Black | 300 psi @ 72° F | 0° to 150° | 000000000 | 0000 |
| 1 | 1/2 | 80 | Polypropylene Plastic | Black | 300 psi @ 72° F | 0° to 150° | 000000000 | 0000 |
| 1 | 3/4 | 80 | Polypropylene Plastic | Black | 300 psi @ 72° F | 0° to 150° | 000000000 | 0000 |
| 1 1/4 | 3/4 | 80 | Polypropylene Plastic | Black | 300 psi @ 72° F | 0° to 150° | 000000000 | 0000 |
| 1 1/4 | 1 | 80 | Polypropylene Plastic | Black | 300 psi @ 72° F | 0° to 150° | 000000000 | 0000 |
| 1 1/2 | 1 | 80 | Polypropylene Plastic | Black | 300 psi @ 72° F | 0° to 150° | 000000000 | 0000 |
| 1 1/2 | 1 1/4 | 80 | Polypropylene Plastic | Black | 300 psi @ 72° F | 0° to 150° | 000000000 | 0000 |
| 2 | 1 1/4 | 80 | Polypropylene Plastic | Black | 300 psi @ 72° F | 0° to 150° | 000000000 | 0000 |
| 2 | 1 1/2 | 80 | Polypropylene Plastic | Black | 300 psi @ 72° F | 0° to 150° | 000000000 | 0000 |
| 3 | 2 | 80 | Polypropylene Plastic | Black | 300 psi @ 72° F | 0° to 150° | 000000000 | 00000 |
| Non-Hardening Thread Sealant (8-oz. Brush-Top Can) | 000000 | Each | 000000 |
Crack-Resistant PFA Pipe Fittings for Chemicals
- For Use With: Acetic Acid, Alcohol, Salt Water
- Max. Temperature: 150° F
Not only do these PFA fittings have the chemical resistance to handle acid and salt water, they also have better crack resistance than other plastic pipe fittings for chemicals. Also known as Schedule 80 fittings, they have thick, strong walls to handle heavy duty chemical processing applications. Fittings have a super-smooth interior for unrestricted flow. They are commonly used in high-purity chemical flow processes, such as semiconductor and clean room applications, because the material won’t leach contaminates into the line. Apply a non-hardening, plastic-compatible sealant to the male threads to prevent leaks. 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 connect, finger tighten the fitting, then wrench-tighten one to two turns.
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 VOC (Volatile Organic Compounds) regulations.
For technical drawings and 3-D models, click on a part number.
| Pipe Size | Material | Color | Max. Pressure | Each | |
NPT Threads | |||||
|---|---|---|---|---|---|
| 1/8 | PFA Plastic | White | 120 psi @ 72° F | 000000000 | 000000 |
| 1/4 | PFA Plastic | White | 120 psi @ 72° F | 000000000 | 00000 |
| 3/8 | PFA Plastic | White | 120 psi @ 72° F | 000000000 | 00000 |
| 1/2 | PFA Plastic | White | 100 psi @ 72° F | 000000000 | 00000 |
| 3/4 | PFA Plastic | White | 70 psi @ 72° F | 000000000 | 00000 |
| Non-Hardening Thread Sealant (8-oz. Brush-Top Can) | 000000 | Each | 000000 |
| Pipe Size (A) | Pipe Size (B) | Material | Color | Max. Pressure | Each | |
NPT Threads | ||||||
|---|---|---|---|---|---|---|
| 1/4 | 1/8 | PFA Plastic | White | 120 psi @ 72° F | 000000000 | 000000 |
| 3/8 | 1/4 | PFA Plastic | White | 120 psi @ 72° F | 000000000 | 00000 |
| 1/2 | 1/4 | PFA Plastic | White | 100 psi @ 72° F | 000000000 | 00000 |
| 1/2 | 3/8 | PFA Plastic | White | 100 psi @ 72° F | 000000000 | 00000 |
| 3/4 | 1/2 | PFA Plastic | White | 70 psi @ 72° F | 000000000 | 00000 |
| Non-Hardening Thread Sealant (8-oz. Brush-Top Can) | 000000 | Each | 000000 |
Plastic Pipe Fittings for Gasoline
Use these plastic fittings to connect gasoline fuel lines to machines and equipment. They have excellent corrosion resistance as well as high strength and impact resistance. Apply a non-hardening, plastic-compatible sealant to the male threads to prevent leaks. 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.
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 VOC (Volatile Organic Compounds) regulations.
For technical drawings and 3-D models, click on a part number.
- For Use With: Gasoline
- Temperature Range: 32° to 160° F
| Pipe Size | Material | Color | Max. Pressure | Each | |
NPT Threads | |||||
|---|---|---|---|---|---|
| 1/4 | Nylon Plastic | White | 70 psi @ 72° F | 000000000 | 00000 |
| 3/8 | Nylon Plastic | White | 70 psi @ 72° F | 000000000 | 000 |
| 1/2 | Nylon Plastic | White | 70 psi @ 72° F | 000000000 | 000 |
| 3/4 | Nylon Plastic | White | 70 psi @ 72° F | 000000000 | 000 |
| 1 | Nylon Plastic | White | 70 psi @ 72° F | 000000000 | 0000 |
| 1 1/4 | Nylon Plastic | White | 70 psi @ 72° F | 000000000 | 0000 |
| 1 1/2 | Nylon Plastic | White | 70 psi @ 72° F | 000000000 | 0000 |
| 2 | Nylon Plastic | White | 70 psi @ 72° F | 000000000 | 0000 |
| Non-Hardening Thread Sealant (8-oz. Brush-Top Can) | 000000 | Each | 000000 |
- For Use With: Gasoline
- Temperature Range: 32° to 160° F
| Pipe Size (A) | Pipe Size (B) | Material | Color | Max. Pressure | Each | |
NPT Threads | ||||||
|---|---|---|---|---|---|---|
| 3/8 | 1/4 | Nylon Plastic | White | 70 psi @ 72° F | 000000000 | 00000 |
| 3/4 | 3/8 | Nylon Plastic | White | 70 psi @ 72° F | 000000000 | 0000 |
| 3/4 | 1/2 | Nylon Plastic | White | 70 psi @ 72° F | 000000000 | 0000 |
| 1 1/4 | 1 | Nylon Plastic | White | 70 psi @ 72° F | 000000000 | 0000 |
| Non-Hardening Thread Sealant (8-oz. Brush-Top Can) | 000000 | Each | 000000 |
Plastic Pipe Fittings for Oil
Made of corrosion-resistant plastic, these fittings won’t deteriorate when used in oil applications. They also have high strength and impact resistance. Apply a non-hardening, plastic-compatible sealant to the male threads to prevent leaks. 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.
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 VOC (Volatile Organic Compounds) regulations.
For technical drawings and 3-D models, click on a part number.
- For Use With: Oil
- Temperature Range: See table
| Pipe Size | Thread Size | Material | Color | Max. Pressure | Temperature Range, °F | Each | |
NPT Threads | |||||||
|---|---|---|---|---|---|---|---|
| 1/8 | __ | Nylon Plastic | Gray | 200 psi @ 72° F | 0° to 230° | 00000000 | 00000 |
| 1/4 | __ | Nylon Plastic | Gray | 200 psi @ 72° F | 0° to 230° | 00000000 | 0000 |
| 3/8 | __ | Nylon Plastic | Gray | 200 psi @ 72° F | 0° to 230° | 00000000 | 0000 |
| 1/2 | __ | Nylon Plastic | Gray | 200 psi @ 72° F | 0° to 230° | 00000000 | 0000 |
UNF Threads | |||||||
| __ | 10-32 | Nylon Plastic | White | 120 psi @ 72° F | 0° to 170° | 0000000 | 0000 |
| Non-Hardening Thread Sealant for UNF Threaded Connectors (8-oz. Brush-Top Can) | 000000 | Each | 000000 |
- For Use With: Oil
- Temperature Range: 0° to 230° F
Pipe Size | ||||||
|---|---|---|---|---|---|---|
| A | B | Material | Color | Max. Pressure | Each | |
NPT Threads | ||||||
| 1/4 | 1/8 | Nylon Plastic | Gray | 200 psi @ 72° F | 00000000 | 00000 |
| 3/8 | 1/8 | Nylon Plastic | Gray | 200 psi @ 72° F | 00000000 | 0000 |
| 3/8 | 1/4 | Nylon Plastic | Gray | 200 psi @ 72° F | 00000000 | 0000 |
| 1/2 | 1/8 | Nylon Plastic | Gray | 200 psi @ 72° F | 00000000 | 0000 |
| 1/2 | 1/4 | Nylon Plastic | Gray | 200 psi @ 72° F | 00000000 | 0000 |
| 1/2 | 3/8 | Nylon Plastic | Gray | 200 psi @ 72° F | 00000000 | 0000 |
| 3/4 | 1/4 | Nylon Plastic | Gray | 200 psi @ 72° F | 00000000 | 0000 |
| 3/4 | 3/8 | Nylon Plastic | Gray | 200 psi @ 72° F | 00000000 | 0000 |
| 3/4 | 1/2 | Nylon Plastic | Gray | 200 psi @ 72° F | 00000000 | 0000 |