About Backflow-Prevention Valves
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Expansion Plugs for Castings
Also known as freeze plugs, these are commonly used to permanently seal the shallow holes left in a component during the casting process.
18-8 stainless steel plugs are more corrosion resistant than steel.
For technical drawings and 3-D models, click on a part number.
| For ID | Dia. | Ht. | Hardness | Pkg. Qty. | Pkg. | |
Steel | ||||||
|---|---|---|---|---|---|---|
| 1/8" | 0.127" | 0.036" | Rockwell B30 | 10 | 00000000 | 000000 |
| 1/4" | 0.252" | 0.069" | Rockwell B30 | 10 | 00000000 | 00000 |
| 3/8" | 0.377" | 0.106" | Rockwell B30 | 10 | 00000000 | 00000 |
| 1/2" | 0.502" | 0.123" | Rockwell B30 | 10 | 00000000 | 00000 |
| 5/8" | 0.628" | 0.098" | Rockwell B30 | 10 | 00000000 | 00000 |
| 3/4" | 0.753" | 0.138" | Rockwell B30 | 10 | 00000000 | 00000 |
| 7/8" | 0.878" | 0.174" | Rockwell B30 | 10 | 00000000 | 00000 |
| 1" | 1.003" | 0.2" | Rockwell B30 | 10 | 00000000 | 00000 |
| 1 1/8" | 1.128" | 0.203" | Rockwell B30 | 5 | 00000000 | 00000 |
| 1 1/4" | 1.253" | 0.208" | Rockwell B30 | 5 | 00000000 | 00000 |
| 1 3/8" | 1.38" | 0.218" | Rockwell B30 | 5 | 00000000 | 00000 |
| 1 1/2" | 1.505" | 0.177" | Rockwell B30 | 5 | 00000000 | 00000 |
| 1 5/8" | 1.63" | 0.226" | Rockwell B30 | 5 | 00000000 | 00000 |
| 1 3/4" | 1.755" | 0.229" | Rockwell B30 | 5 | 00000000 | 00000 |
| 1 7/8" | 1.88" | 0.24" | Rockwell B30 | 5 | 00000000 | 00000 |
| 2" | 2.005" | 0.244" | Rockwell B30 | 5 | 00000000 | 00000 |
| 2 1/4" | 2.255" | 0.265" | Rockwell B30 | 3 | 00000000 | 00000 |
| 2 1/2" | 2.505" | 0.275" | Rockwell B30 | 3 | 00000000 | 00000 |
| 2 3/4" | 2.755" | 0.298" | Rockwell B30 | 3 | 00000000 | 0000 |
| 3" | 3.005" | 0.313" | Rockwell B30 | 3 | 00000000 | 0000 |
18-8 Stainless Steel  | ||||||
| 1/8" | 0.127" | 0.015" | Rockwell B90 | 10 | 00000000 | 00000 |
| 1/4" | 0.252" | 0.069" | Rockwell B90 | 10 | 00000000 | 00000 |
| 3/8" | 0.377" | 0.106" | Rockwell B90 | 10 | 00000000 | 00000 |
| 1/2" | 0.502" | 0.075" | Rockwell B90 | 10 | 00000000 | 00000 |
| 5/8" | 0.628" | 0.098" | Rockwell B90 | 10 | 00000000 | 0000 |
| 3/4" | 0.753" | 0.138" | Rockwell B90 | 10 | 00000000 | 00000 |
| 7/8" | 0.878" | 0.171" | Rockwell B90 | 7 | 00000000 | 00000 |
| 1" | 1.003" | 0.19" | Rockwell B90 | 7 | 00000000 | 00000 |
| 1 1/8" | 1.128" | 0.2" | Rockwell B90 | 1 | 00000000 | 0000 |
| 1 1/4" | 1.253" | 0.205" | Rockwell B90 | 5 | 00000000 | 00000 |
| 1 3/8" | 1.38" | 0.215" | Rockwell B90 | 5 | 00000000 | 00000 |
| 1 1/2" | 1.505" | 0.217" | Rockwell B90 | 5 | 00000000 | 00000 |
| 1 5/8" | 1.63" | 0.232" | Rockwell B90 | 1 | 00000000 | 0000 |
| 1 3/4" | 1.755" | 0.226" | Rockwell B90 | 3 | 00000000 | 00000 |
| 1 7/8" | 1.88" | 0.237" | Rockwell B90 | 3 | 00000000 | 00000 |
| 2" | 2.005" | 0.241" | Rockwell B90 | 3 | 00000000 | 00000 |
| 2 1/4" | 2.255" | 0.262" | Rockwell B90 | 3 | 00000000 | 00000 |
| 2 1/2" | 2.505" | 0.272" | Rockwell B90 | 3 | 00000000 | 00000 |
| 2 3/4" | 2.755" | 0.295" | Rockwell B90 | 1 | 00000000 | 0000 |
| 3" | 3.005" | 0.31" | Rockwell B90 | 2 | 00000000 | 00000 |
Deep-Freeze Pipeline Fluid Blocking Kits
Create a temporary ice plug in your pipe to make repairs without draining the line. Often used with sprinkler systems, these kits freeze the standing liquid in your line, eliminating the need to refill or reheat and preventing air-lock problems. Use them with pipes that run water or other fluid with a similar freezing point.
Wrap the included jacket around your pipe at an upstream location near the point of repair and inject CO2 (not included) into the jacket. After use, the CO2 evaporates and the ice plug melts, minimizing clean up.
| For Pipe Size | Number of Jackets | Jacket Size | Number of Empty Cylinders for Carbon Dioxide | Cylinder Cap., lbs. | For Use On | Includes | Each | |
| 3/8, 1/2, 3/4, 1, 1 1/4, 1 1/2 | 2 | 3/8- 3/4, 3/4-1 1/2 | 1 | 20 | Copper, Iron, Plastic, Steel | 10-ft. High-Pressure Hose, Carrying Case, Fittings, Instructions, Insulated Work Gloves, Rubber Mallet, Safety Glasses, Timing Log | 0000000 | 0000000 |
| 3/8, 1/2, 3/4, 1, 1 1/4, 1 1/2, 2, 2 1/2, 3 | 3 | 3/8- 3/4, 3/4-1 1/2, 1 1/2-3 | 2 | 20 | Copper, Iron, Plastic, Steel | 10-ft. High-Pressure Hose, Carrying Case, Fittings, Instructions, Insulated Work Gloves, Rubber Mallet, Safety Glasses, Timing Log | 0000000 | 00000000 |