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  • Users: francitj
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  1. francitj

    Interpretting Old Pipe Stencils

    I need help interpretting old pipe stencils. We recently uncovered a lateral laid in the 60s and found the stencil detailing the pipe specs. The stencil read as follows: 4 1/2OD 188WALL EB5 ON J1745 LOT 1033 (possbily 1088) The stencil repeated over and over along the joint. Clearly its 4.5"...
  2. francitj

    Unknown C1 and CV of Valve

    We have several different applications for piston and swing style check valves. The valves we purchased came with a cracking pressure provided by the manufacturer but no C1 and CV values, or any values for when the valve is cracked to full open and we need to calculate the flow through these...

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