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5 Cards in this Set
- Front
- Back
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Minimum size of branch to hot tap a gas line? |
3/4” |
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Maximum size of any branch added when hot tapping? |
1/2 size of the main |
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What is the temperature of solid carbon dioxide? |
-78 C |
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What are the four basic operating steps of a Qwik-freeze? |
1. Enough co2 2. No flow through pipe 3. Connect nozzle jacket & cylinder 4. Keep back 16” from repair. Keep back 24” from closed connections. Example valves
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Latent specific heat chart |
See chart |
