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A-250-1 SERIES <br />ALUMINUM <br />SLIDE GATE <br />• THE BEST OF TECHNOLOGY FOR <br />STRENGTH AND LONGEVITY <br />IN CORROSIVE ATMOSPHERES <br />• TYPE 6061 T-6 ALUMINUM WITH <br />UHMW PLASTIC SLIDING AND SEATING <br />SURFACES <br />• MEETS LEAKAGE REQUIREMENTS OF <br />AWWA C-562 <br />ADVANTAGES: <br />Corrosion Resistant <br />Optimum Sealing Against Leakage <br />Rugged Heavy Duty Design <br />A-250-1 Series Slide Gates are engineered for excellent <br />sealing while providing maximum resistance to corrosion. <br />Ultra High Molecular Weight Polyethylene (UHMW) sliding <br />and seating surfaces, dissimilar from the gate slide material, <br />provides low coefficient of friction while maintaining the <br />superior resistance to corrosion. <br />PERFORMANCE: <br />A-250-1 Series Slide Gates can be custom designed for 5, 10, <br />15 or 20 feet of head (some limitations apply to larger sizes). <br />A-250-1 gates are available in normal aperture configurations <br />or as weirs (downward opening). They may also be ordered <br />as self-contained gates or with extension stems and separate <br />operators. <br />Also available: SS -250-1 Series Stainless Steel Slide Gates. <br />A-250.1 ALUMINUM SLIDE GATE CONFIGURATIONS <br />TYPE OF GATE <br />APERATURE <br />END OF CHANNEL <br />IN CHANNEL <br />DOWNWARD <br />UPWARD <br />DOWNWARD NONRESTRICTED <br />EMBEDDED <br />WALL <br />(OPENING) <br />STANDARD <br />OPENING <br />OPENING <br />OPENING FLOW <br />GUIDE <br />h1TD. <br />IR (WEIR) <br />GUIDE <br />RISING STEM <br />MIN HEAD 1 <br />251-1 <br />252.1 <br />253.1 <br />254.1 <br />255.1 <br />258.1 <br />257.1 <br />MODIFIERS <br />- <br />-'- <br />INCREASED <br />HEAD <br />CAPACITY <br />'OFT <br />261.1 <br />262.1 <br />15FT <br />271-1 <br />272.1 <br />20FT <br />281.1 <br />282.1 <br />MACHINED <br />FLANGE <br />251-1-F <br />252.1-F <br />CIRCULAR <br />FLANGE <br />251 -1 -CF <br />252 -1 -CF <br />FULLY <br />CONTAINED <br />251.1-L <br />252.1-L <br />253.1-L <br />254.1-L <br />255.1•L <br />258.1-L <br />257.1•L <br />GATE IN SLIDE <br />SELF- <br />CONTAINED <br />251.1-Y <br />252.1-Y <br />253.1-Y <br />254.1-Y <br />255.1-Y <br />256.1-Y <br />257.1-Y <br />GATE <br />NRS COVER <br />251-1-N <br />252.1-N <br />253.1-N <br />254.1-N <br />256-1-N <br />257-1-N <br />SPECIAL OR <br />MODIFIED <br />251-1-X <br />252-1-X <br />253.1-X <br />254.1-X <br />255.1-X <br />256.1-X <br />257.1-X <br />APPLICATION <br />1 Mlnlmum head b 5FT to cantor kno for typos 251.1 6 252.1 and III above by of pato for type 253.1 Vito 2574 <br />2 Modal 258-1 is a gat• wRh special moddim9ons to Incorporate two modals in one gate. <br />Industries <br />A-251-1 <br />11 <br />