Pressure test manifold block: Liquid and Gases pressure test manifold blocks low medium and high pressure. Typical hydrostatic testing operation using an Hydrorex unit and pressure test manifolds with multiples output ports. All stainless test manifolds available in multiples pressures ranges 2000 psi, 6000 Psi, 15000 Psi and 30000 Psi and 60,000 Psi.