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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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Low-Pressure Clamp-On Connectors for Drain, Waste, and Vent
Pipe End x Socket End
To make installing and maintaining systems easy, these connectors come with clamps that form a strong seal on pipe and fittings once tightened.
Straight offset reducers connect one pipe to a smaller-diameter pipe, keeping your pipes aligned for obstruction-free flow in either direction. They are also known as eccentric reducers.
Pipe end-to-socket end connectors connect a pipe to a socket-end (female) fitting.
Connectors with a stainless steel sleeve reinforce the connection to increase shear strength.
For technical drawings and 3-D models, click on a part number.
Straight Connectors
Pipe End × Pipe End
Pipe End × Pipe End—300 Series Stainless Steel Sleeve
- For Use With: Air, Water
- Temperature Range: -40° to 120° F
- Specifications Met: See table
- For Pipe Material:
Pipe: Cast Iron, Steel, Copper, Lead, PVC Plastic, CPVC Plastic, Polyethylene
Socket-Connect Pipe: PVC Plastic, CPVC Plastic, Polyethylene Plastic
| For Pipe OD  | For Pipe Size | Lg. | Max. Pressure | Max. Vacuum | Material | Clamp Material | Flexibility | Specifications Met | Each | |
Pipe End × Pipe End | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1.66" | 1 1/4 | 3 1/2" | 4 psi @ 72° F | Not Rated | PVC Plastic | 316 Stainless Steel | Flexible | ASTM C1173, ASTM D5926, CSA Certified | 0000000 | 00000 |
| 1.9" | 1 1/2 | 3 7/16" | 4 psi @ 72° F | Not Rated | PVC Plastic | 316 Stainless Steel | Flexible | ASTM C1173, ASTM D5926, CSA Certified | 0000000 | 0000 |
| 2 3/8" | 2 | 3 1/2" | 4 psi @ 72° F | Not Rated | PVC Plastic | 316 Stainless Steel | Flexible | ASTM C1173, ASTM D5926, CSA Certified | 0000000 | 0000 |
| 3 1/2" | 3 | 4" | 4 psi @ 72° F | Not Rated | PVC Plastic | 316 Stainless Steel | Flexible | ASTM C1173, ASTM D5926, CSA Certified | 0000000 | 00000 |
| 4 1/2" | 4 | 4" | 4 psi @ 72° F | Not Rated | PVC Plastic | 316 Stainless Steel | Flexible | ASTM C1173, ASTM D5926, CSA Certified | 0000000 | 00000 |
| 6 5/8" | 6 | 5 3/4" | 4 psi @ 72° F | Not Rated | PVC Plastic | 316 Stainless Steel | Flexible | ASTM C1173, ASTM D5926, CSA Certified | 0000000 | 00000 |
| 8 5/8" | 8 | 6" | 4 psi @ 72° F | Not Rated | PVC Plastic | 316 Stainless Steel | Flexible | ASTM C1173, ASTM D5926, CSA Certified | 0000000 | 00000 |
| 12 3/4" | 12 | 6 5/16" | 4 psi @ 72° F | Not Rated | PVC Plastic | 316 Stainless Steel | Flexible | ASTM C1173, ASTM D5926, CSA Certified | 0000000 | 00000 |
Pipe End × Pipe End—300 Series Stainless Steel Sleeve | ||||||||||
| 1.9" | 1 1/2 | 3 7/16" | 4 psi @ 72° F | Not Rated | PVC Plastic | 300 Series Stainless Steel | Flexible | ASTM C1173, ASTM D5926 | 00000000 | 00000 |
| 2 3/8" | 2 | 3 1/2" | 4 psi @ 72° F | Not Rated | PVC Plastic | 300 Series Stainless Steel | Flexible | ASTM C1173, ASTM D5926 | 00000000 | 00000 |
| 3 1/2" | 3 | 4" | 4 psi @ 72° F | Not Rated | PVC Plastic | 300 Series Stainless Steel | Flexible | ASTM C1173, ASTM D5926 | 00000000 | 00000 |
| 4 1/2" | 4 | 4" | 4 psi @ 72° F | Not Rated | PVC Plastic | 300 Series Stainless Steel | Flexible | ASTM C1173, ASTM D5926 | 00000000 | 00000 |
| 5 1/2" | 5 | 4" | 4 psi @ 72° F | Not Rated | PVC Plastic | 300 Series Stainless Steel | Flexible | ASTM C1173, ASTM D5926 | 00000000 | 00000 |
| 6 5/8" | 6 | 5 3/4" | 4 psi @ 72° F | Not Rated | PVC Plastic | 300 Series Stainless Steel | Flexible | ASTM C1173, ASTM D5926 | 00000000 | 00000 |
| 8 5/8" | 8 | 6" | 4 psi @ 72° F | Not Rated | PVC Plastic | 300 Series Stainless Steel | Flexible | ASTM C1173, ASTM D5926 | 00000000 | 000000 |
| 10 3/4" | 10 | 5 7/8" | 4 psi @ 72° F | Not Rated | PVC Plastic | 300 Series Stainless Steel | Flexible | ASTM C1173, ASTM D5926 | 00000000 | 000000 |
Straight Reducers
Pipe End × Pipe End
Pipe End × Pipe End—300 Series Stainless Steel Sleeve
- For Use With: Air, Water
- Temperature Range: -40° to 120° F
- Specification Met: See table
- For Pipe Material: Cast Iron, Steel, PVC Plastic, Copper, Lead, CPVC Plastic, Polyethylene Plastic
For Pipe Size | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| (A) | (B) | Lg. | Max. Pressure | Max. Vacuum | Material | Clamp Material | Flexibility | Specifications Met | Each | |
Pipe End × Pipe End | ||||||||||
| 1 1/2 | 1 1/4 | 3 1/2" | 4 psi @ 72° F | Not Rated | PVC Plastic | 300 Series Stainless Steel | Flexible | ASTM C1173, ASTM D5926, CSA Certified | 0000000 | 00000 |
| 2 | 1 1/4 | 3 1/2" | 4 psi @ 72° F | Not Rated | PVC Plastic | 300 Series Stainless Steel | Flexible | ASTM C1173, ASTM D5926, CSA Certified | 0000000 | 0000 |
| 2 | 1 1/2 | 3 7/16" | 4 psi @ 72° F | Not Rated | PVC Plastic | 300 Series Stainless Steel | Flexible | ASTM C1173, ASTM D5926, CSA Certified | 0000000 | 0000 |
| 2 1/2 | 1 1/4 | 3 1/2" | 4 psi @ 72° F | Not Rated | PVC Plastic | 300 Series Stainless Steel | Flexible | ASTM C1173, ASTM D5926, CSA Certified | 00000000 | 00000 |
| 2 1/2 | 2 | 3 1/2" | 4 psi @ 72° F | Not Rated | PVC Plastic | 300 Series Stainless Steel | Flexible | ASTM C1173, ASTM D5926, CSA Certified | 00000000 | 00000 |
| 3 | 1 1/2 | 3 7/8" | 4 psi @ 72° F | Not Rated | PVC Plastic | 300 Series Stainless Steel | Flexible | ASTM C1173, ASTM D5926, CSA Certified | 0000000 | 00000 |
| 3 | 2 | 4" | 4 psi @ 72° F | Not Rated | PVC Plastic | 300 Series Stainless Steel | Flexible | ASTM C1173, ASTM D5926, CSA Certified | 0000000 | 0000 |
| 3 | 2 | 4" | 4 psi @ 72° F | Not Rated | PVC Plastic | 316 Stainless Steel | Flexible | ASTM C1173, ASTM D5926, CSA Certified | 0000000 | 00000 |
| 3 | 2 1/2 | 4 3/16" | 4 psi @ 72° F | Not Rated | PVC Plastic | 300 Series Stainless Steel | Flexible | ASTM C1173, ASTM D5926, CSA Certified | 00000000 | 00000 |
| 4 | 1 1/2 | 4" | 4 psi @ 72° F | Not Rated | PVC Plastic | 300 Series Stainless Steel | Flexible | ASTM C1173, ASTM D5926, CSA Certified | 0000000 | 00000 |
| 4 | 1 1/2 | 4" | 4 psi @ 72° F | Not Rated | PVC Plastic | 316 Stainless Steel | Flexible | ASTM C1173, ASTM D5926, CSA Certified | 0000000 | 00000 |
| 4 | 2 | 3 7/8" | 4 psi @ 72° F | Not Rated | PVC Plastic | 300 Series Stainless Steel | Flexible | ASTM C1173, ASTM D5926, CSA Certified | 0000000 | 00000 |
| 4 | 2 | 3 7/8" | 4 psi @ 72° F | Not Rated | PVC Plastic | 316 Stainless Steel | Flexible | ASTM C1173, ASTM D5926, CSA Certified | 0000000 | 00000 |
| 4 | 3 | 4" | 4 psi @ 72° F | Not Rated | PVC Plastic | 300 Series Stainless Steel | Flexible | ASTM C1173, ASTM D5926, CSA Certified | 0000000 | 00000 |
| 4 | 3 | 4" | 4 psi @ 72° F | Not Rated | PVC Plastic | 316 Stainless Steel | Flexible | ASTM C1173, ASTM D5926, CSA Certified | 0000000 | 00000 |
| 5 | 3 | 3 7/8" | 4 psi @ 72° F | Not Rated | PVC Plastic | 300 Series Stainless Steel | Flexible | ASTM C1173, ASTM D5926, CSA Certified | 0000000 | 00000 |
| 5 | 4 | 4" | 4 psi @ 72° F | Not Rated | PVC Plastic | 300 Series Stainless Steel | Flexible | ASTM C1173, ASTM D5926, CSA Certified | 0000000 | 00000 |
| 6 | 3 | 5 3/4" | 4 psi @ 72° F | Not Rated | PVC Plastic | 300 Series Stainless Steel | Flexible | ASTM C1173, ASTM D5926, CSA Certified | 0000000 | 00000 |
| 6 | 4 | 5 3/4" | 4 psi @ 72° F | Not Rated | PVC Plastic | 300 Series Stainless Steel | Flexible | ASTM C1173, ASTM D5926, CSA Certified | 0000000 | 00000 |
| 6 | 4 | 5 3/4" | 4 psi @ 72° F | Not Rated | PVC Plastic | 316 Stainless Steel | Flexible | ASTM C1173, ASTM D5926, CSA Certified | 0000000 | 00000 |
| 6 | 5 | 5 3/4" | 4 psi @ 72° F | Not Rated | PVC Plastic | 300 Series Stainless Steel | Flexible | ASTM C1173, ASTM D5926, CSA Certified | 0000000 | 00000 |
| 8 | 4 | 6" | 4 psi @ 72° F | Not Rated | PVC Plastic | 300 Series Stainless Steel | Flexible | ASTM C1173, ASTM D5926, CSA Certified | 0000000 | 00000 |
| 8 | 6 | 6" | 4 psi @ 72° F | Not Rated | PVC Plastic | 300 Series Stainless Steel | Flexible | ASTM C1173, ASTM D5926, CSA Certified | 0000000 | 00000 |
| 10 | 8 | 6" | 4 psi @ 72° F | Not Rated | PVC Plastic | 300 Series Stainless Steel | Flexible | ASTM C1173, ASTM D5926, CSA Certified | 0000000 | 00000 |
| 10 | 8 | 6" | 4 psi @ 72° F | Not Rated | PVC Plastic | 316 Stainless Steel | Flexible | ASTM C1173, ASTM D5926, CSA Certified | 0000000 | 00000 |
| 12 | 10 | 6 3/8" | 4 psi @ 72° F | Not Rated | PVC Plastic | 300 Series Stainless Steel | Flexible | ASTM C1173, ASTM D5926, CSA Certified | 0000000 | 00000 |
Pipe End × Pipe End—300 Series Stainless Steel Sleeve | ||||||||||
| 2 | 1 1/2 | 3 7/16" | 4 psi @ 72° F | Not Rated | PVC Plastic | 300 Series Stainless Steel | Flexible | ASTM C1173, ASTM D5926 | 00000000 | 00000 |
| 3 | 2 | 4" | 4 psi @ 72° F | Not Rated | PVC Plastic | 300 Series Stainless Steel | Flexible | ASTM C1173, ASTM D5926 | 00000000 | 00000 |
| 4 | 2 | 3 7/8" | 4 psi @ 72° F | Not Rated | PVC Plastic | 300 Series Stainless Steel | Flexible | ASTM C1173, ASTM D5926 | 00000000 | 00000 |
| 4 | 3 | 4" | 4 psi @ 72° F | Not Rated | PVC Plastic | 300 Series Stainless Steel | Flexible | ASTM C1173, ASTM D5926 | 00000000 | 00000 |
| 5 | 4 | 4" | 4 psi @ 72° F | Not Rated | PVC Plastic | 300 Series Stainless Steel | Flexible | ASTM C1173, ASTM D5926 | 00000000 | 00000 |
| 6 | 4 | 5 3/4" | 4 psi @ 72° F | Not Rated | PVC Plastic | 300 Series Stainless Steel | Flexible | ASTM C1173, ASTM D5926 | 00000000 | 000000 |
| 8 | 6 | 6" | 4 psi @ 72° F | Not Rated | PVC Plastic | 300 Series Stainless Steel | Flexible | ASTM C1173, ASTM D5926 | 00000000 | 000000 |
Straight Offset Reducers
Obstruction-Free Flow
- For Use With: Air, Water
- Temperature Range: -30° to 120° F
- Specification Met: See table
- For Pipe Material: Cast Iron, Steel, Copper, Lead, PVC Plastic, CPVC Plastic, Polyethylene Plastic
For Pipe Size | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| (A) | (B) | Lg. | Max. Pressure | Max. Vacuum | Material | Clamp Material | Flexibility | Specifications Met | Each | |
Pipe End × Pipe End | ||||||||||
| 3 | 1 1/2 | 4 1/8" | 4 psi @ 72° F | Not Rated | PVC Plastic | 300 Series Stainless Steel | Flexible | ASTM C1173, ASTM D5926 | 00000000 | 000000 |
| 3 | 2 | 4 1/8" | 4 psi @ 72° F | Not Rated | PVC Plastic | 300 Series Stainless Steel | Flexible | ASTM C1173, ASTM D5926 | 00000000 | 00000 |
| 4 | 2 | 4 1/4" | 4 psi @ 72° F | Not Rated | PVC Plastic | 300 Series Stainless Steel | Flexible | ASTM C1173, ASTM D5926 | 00000000 | 00000 |
| 4 | 3 | 4 1/4" | 4 psi @ 72° F | Not Rated | PVC Plastic | 300 Series Stainless Steel | Flexible | ASTM C1173, ASTM D5926 | 00000000 | 00000 |
| 5 | 4 | 4 1/4" | 4 psi @ 72° F | Not Rated | PVC Plastic | 300 Series Stainless Steel | Flexible | ASTM C1173, ASTM D5926 | 00000000 | 000000 |
| 6 | 4 | 6" | 4 psi @ 72° F | Not Rated | PVC Plastic | 300 Series Stainless Steel | Flexible | ASTM C1173, ASTM D5926 | 00000000 | 000000 |
| 6 | 5 | 6" | 4 psi @ 72° F | Not Rated | PVC Plastic | 300 Series Stainless Steel | Flexible | ASTM C1173, ASTM D5926 | 00000000 | 000000 |
| 8 | 6 | 6 1/4" | 4 psi @ 72° F | Not Rated | PVC Plastic | 300 Series Stainless Steel | Flexible | ASTM C1173, ASTM D5926 | 00000000 | 000000 |
Straight Reducing Adapters
Pipe End x Socket End
- For Use With: Air, Water
- Temperature Range: -30° to 120° F
- Specifications Met: ASTM D5926
- For Pipe Material: Cast Iron, Steel, Copper, Lead, PVC Plastic, CPVC Plastic, Polyethylene Plastic
For Pipe Size | ID | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Pipe OD | (A) | (B) | (A) | (B) | Lg. | Max. Pressure | Max. Vacuum | Material | Clamp Material | Flexibility | Each | |
Pipe End × Socket End | ||||||||||||
| 1.9" | 1 1/2 | 2 | 1.9" | 2.69" | 4" | 4 psi @ 72° F | Not Rated | PVC Plastic | 300 Series Stainless Steel | Flexible | 00000000 | 000000 |
| 2 3/8" | 2 | 3 | 2.4" | 3.9" | 4" | 4 psi @ 72° F | Not Rated | PVC Plastic | 300 Series Stainless Steel | Flexible | 00000000 | 00000 |
| 2 3/8" | 2 | 4 | 2.4" | 5.01" | 4" | 4 psi @ 72° F | Not Rated | PVC Plastic | 300 Series Stainless Steel | Flexible | 00000000 | 00000 |
| 3 3/8" | 3 | 4 | 3.4" | 5.01" | 4" | 4 psi @ 72° F | Not Rated | PVC Plastic | 300 Series Stainless Steel | Flexible | 00000000 | 00000 |
Cast Iron-to-PVC Pipe Adapters for Drain, Waste, and Vent
These adapters connect PVC waste pipe to cast iron pipe without adding bulk. Instead of securing pipes together from the outside like clamp-on couplings, these flexible adapters fit into cast iron pipe to create a tight compression seal. Adapters should fit tightly—tap with a mallet to install. Made of PVC, these fittings won't corrode when exposed to water.
For technical drawings and 3-D models, click on a part number.
Straight Adapters, Male Socket Connect × Female Socket Connect
Adapter
- For Use With: Water
- Temperature Range: -30° to 140° F
- Specifications Met: ASTM D5926
Straight Reducing Adapters, Male Socket Connect × Female Socket Connect
Reducing Adapter
- For Use With: Water
- Temperature Range: -30° to 140° F
- Specifications Met: ASTM D5926
Female | ||||||||
|---|---|---|---|---|---|---|---|---|
| Male Pipe Size | Pipe Size | For Pipe OD | Lg. | Material | Color | Max. Pressure | Each | |
| 3 | 2 | 3 1/2" | 1 41/64" | PVC Plastic | Black | 4 psi @ 72° F | 0000000 | 000000 |