SECTION 15181

b) 1 Inch and Up: SW BS pipe, with SE 150 lb MI fittings and fuel resistant thread sealant, or WE SW ST fittings. 4) Inside Building (126 to 300 psig): a) 1-1/2 inch and Less: XH BS pipe, with SE 300 lb. MI fittings and fuel resistant thread sealant, or WE XH ST fittings. b) 2 inch and Up: XH BS pipe with WE XH ST fittings. ................
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