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Harish Chandra Rajpoot
Harish Chandra Rajpoot
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I used to vacuum test welds. At best with an air compressor and a special pass through-through pipe fitting to pull pressure, I could usually get about -9psi$\mathrm{-9psi}$. PerfectThe perfect vacuum at sea level on our planet is 14.7 psi$\mathrm{14.7 psi}$. That’s the best vacuum you’re going to get.

I used to vacuum test welds. At best with an air compressor and a special pass through pipe fitting to pull pressure, I could usually get about -9psi. Perfect vacuum at sea level on our planet is 14.7 psi. That’s the best vacuum you’re going to get.

I used to vacuum test welds. At best with an air compressor and a special pass-through pipe fitting to pull pressure, I could usually get about $\mathrm{-9psi}$. The perfect vacuum at sea level on our planet is $\mathrm{14.7 psi}$. That’s the best vacuum you’re going to get.

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Randy
Randy
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I used to vacuum test welds. At best with an air compressor and a special pass through pipe fitting to pull pressure, I could usually get about -9psi. Perfect vacuum at sea level on our planet is 14.7 psi. That’s the best vacuum you’re going to get.