SECTION 100 - GENERAL PROVISIONS - Scottsbluff

direction of opening and the word "OPEN" cast on the nut. The stem seal shall. consist of two O-rings; one or both positioned above the thrust collar with the. valve under pressure in the full open position. Bolts and hex nuts used on the bonnet of the valve shall be the manufacturer's. standard fabricated from a low alloy steel for corrosion ... ................
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