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  1. scubaguy

    sealing NPT threads

    I am building a blending station for mixing SCUBA breathing gases. The system will handle pure oxygen and helium at up to 2500 psi and Nitrox II (air with reduced nitrogen (@68%) and increased oxygen (@32%)) at pressures of up to 4000 psi. The manifolds are machined brass and the fittings...

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