STRAINERS. A. Provide a "Y" type full size strainer as indicated on the Drawings. B. An approved dirt blowout connection shall be made to each strainer, with 1" ▇▇▇▇▇▇▇ Figure 372 and Figure 658 cap and chain; the valve located six inches to twelve inches below the strainer. In the case of strainers under full water pressure, the blowout connection shall terminate at a point where there will be no risk of flooding or damage. C. Strainers 2" diameter and smaller shall have screwed ends. Strainers 2-1/2" diameter and larger shall have flanged ends. D. Strainers 2" and smaller shall be full size, bronze, "Y" pattern: ▇▇▇▇ Temco Figure IY, Spirax Sarco, ▇▇▇▇▇▇▇ or approved equal. E. Strainers 2-1/2" or larger shall be cast steel body, "Y" type; ▇▇▇▇ Temco figure IY, Spirex Sarco, ▇▇▇▇▇▇▇ or approved equal, 150 psi rating. F. Total open area of basket perforations shall be at least three times the inside area of pipes. G. Strainer baskets shall be stainless steel with 1/16" perforations (up to 2" size) and 1/8" perforations (2-1/2" and larger).
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Sources: Construction Contract, Construction Contract, Construction Contract