Install the valve with proper positioning of the flow arrow. Support and align adjacent piping and the vale. Install lubricated flange bolts. Hands tighten, and then torque the bolts using the crossover flange bolt-tightening method to load the bolts evenly, and eliminate concentrated stresses.
[pdf] As the old saying goes, “Measure twice, cut once.” That truism can apply, too, to drilling pilot holes: Before touching drill bit to wood, take the time to measure carefully and mark the spot where the pilot hole b.
[pdf] A screw air compressor is very similar to a human heart. While a human heart has tricuspid, pulmonary, mitral, and aortic valves, a screw air compressor has four critical valves namely air inlet, minimum pres.
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