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About Measuring Fittings
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Measure the threaded ends of your fittings to identify their pipe size, thread size, schedule, and thread type. Then, find compatible components.
Barbed Tube Fittings for Drinking Water
- Temperature Range: 32° to 180° F
- Tubing:
All Fittings: Use with hard polyethylene plastic
Socket-Connect Fittings: Use with hard polyethylene plastic or copper - Specifications Met: See table
Connect these fittings to tubing with a ring and a crimping tool (both sold separately). They have multiple barbs that grip onto tubing for a secure hold. Fittings are compatible with Viega PEX tubing. Safe to use with drinking water, these fittings meet the strict standards of NSF/ANSI 61.
Straight Connectors, Tube
| For Tube ID | Material | Max. Pressure | Specifications Met | Each | |
| 3/8" | PPSU Plastic | 160 psi @ 72° F | ASTM F2159, NSF/ANSI 61 | 3528T752 | 00000 |
| 1/2" | PPSU Plastic | 160 psi @ 72° F | ASTM F2159, NSF/ANSI 61 | 3528T753 | 000 |
| 3/4" | PPSU Plastic | 160 psi @ 72° F | ASTM F2159, NSF/ANSI 61 | 3528T758 | 0000 |
| 1" | PPSU Plastic | 160 psi @ 72° F | ASTM F2159, NSF/ANSI 61 | 3528T762 | 0000 |
Straight Reducers, Tube
90° Elbow Connectors, Tube
| For Tube ID | Material | Max. Pressure | Specifications Met | Each | |
| 3/8" | PPSU Plastic | 160 psi @ 72° F | ASTM F2159, NSF/ANSI 61 | 3528T569 | 00000 |
| 1/2" | PPSU Plastic | 160 psi @ 72° F | ASTM F2159, NSF/ANSI 61 | 3528T577 | 0000 |
| 3/4" | PPSU Plastic | 160 psi @ 72° F | ASTM F2159, NSF/ANSI 61 | 3528T583 | 0000 |
| 1" | PPSU Plastic | 160 psi @ 72° F | ASTM F2159, NSF/ANSI 61 | 3528T592 | 0000 |
90° Elbow Reducers, Tube
| For Tube ID (A) | For Tube ID (B) | Material | Max. Pressure | Specifications Met | Each | |
| 3/4" | 1/2" | PPSU Plastic | 160 psi @ 72° F | ASTM F2159, NSF/ANSI 61 | 3528T919 | 00000 |
Tee Connectors, Tube
| For Tube ID | Material | Max. Pressure | Specifications Met | Each | |
| 3/8" | PPSU Plastic | 160 psi @ 72° F | ASTM F2159, NSF/ANSI 61 | 3528T594 | 00000 |
| 1/2" | PPSU Plastic | 160 psi @ 72° F | ASTM F2159, NSF/ANSI 61 | 3528T624 | 0000 |
| 3/4" | PPSU Plastic | 160 psi @ 72° F | ASTM F2159, NSF/ANSI 61 | 3528T664 | 0000 |
| 1" | PPSU Plastic | 160 psi @ 72° F | ASTM F2159, NSF/ANSI 61 | 3528T688 | 0000 |
Inline Tee Reducers, Tube
Inline tees are also known as branch tees.
| For Tube ID (A) | For Tube ID (B) | Material | Max. Pressure | Specifications Met | Each | |
| 1/2" | 3/4" | PPSU Plastic | 160 psi @ 72° F | ASTM F2159, NSF/ANSI 61 | 3528T69 | 00000 |
| 3/4" | 1/2" | PPSU Plastic | 160 psi @ 72° F | ASTM F2159, NSF/ANSI 61 | 3528T712 | 0000 |
| 3/4" | 1" | PPSU Plastic | 160 psi @ 72° F | ASTM F2159, NSF/ANSI 61 | 3528T741 | 0000 |
| 1" | 3/4" | PPSU Plastic | 160 psi @ 72° F | ASTM F2159, NSF/ANSI 61 | 3528T748 | 0000 |
Plugs
Plugs insert into the end of a fitting.
| For Tube ID | Material | Max. Pressure | Specifications Met | Pkg. Qty. | Pkg. | |
| 3/8" | PPSU Plastic | 160 psi @ 72° F | ASTM F2159, NSF/ANSI 61 | 10 | 3528T441 | 00000 |
| 1/2" | PPSU Plastic | 160 psi @ 72° F | ASTM F2159, NSF/ANSI 61 | 10 | 3528T442 | 0000 |
| 3/4" | PPSU Plastic | 160 psi @ 72° F | ASTM F2159, NSF/ANSI 61 | 10 | 3528T443 | 0000 |
| 1" | PPSU Plastic | 160 psi @ 72° F | ASTM F2159, NSF/ANSI 61 | 10 | 3528T444 | 00000 |
