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4.2 Rev. 9-14 Shaded area indicates change MUELLER® 2"-12" SWING TYPE GRAVITY OPERATED CHECK VALVES - FL. X FL. ❏ Catalognumber--A-2600-06BBflangedends,withbronzediscfacing A-2602-06B1flangedends,withrubberdiscfacing ❏ Sizes–2",2-1/2",3",4", 6",8",10",12" ❏ MeetsallapplicablepartsofANSI/AWWAC508Standard ❏ Epoxycoatedinterior&exteriorforcorrosionresistance ❏ CertifiedtoANSI/NSF61 ❏ FlangedenddimensionsanddrillingcomplywithANSIB16.1 ❏ Ironbody,bronzemounted(IBBM) ❏ Choiceofbronzeorrubberdiscfacing ❏ Forhorizontalinstallationonly ❏ O-ringsealedstuffingbox ❏ Swingtype,gravityoperated ❏ 200psig(1400kPa/14barg)maximumworkingpressure,400psig(2800kPa/28barg)testpressure A R B X UU Q Q A-2600-06BB Options ❏ PN10/PN16FlangeDrilling4"-12" ❏ StainlessSteelNuts&Bolts ❏ TappedBosses FF Check Valve Parts (2011-present) C-305 C-308 C-309 C-309 C-319 Catalog Description Part No. HingePlug Gasket CoverBolt Material Brass Rubber ZincCoated Steel Brass Brass Brass Brass StainlessSteel MalleableIron StainlessSteel Bronze DuctileIron CastIron CastIron CastIron Material Standard ANSIB21 ASTMD2000,BK807 ASTMA307GradeB ANSIB21 ANSIB21 ANSIB21 ANSIB21 ASTMA276Type304 ASTMA47 ASTMA276Type304 ANSIB62 ASTMA536▼ ASTMA126Cl.B ASTMA126Cl.B ASTMA126Cl.B C-308 C-331 C-329 C-333 C-312 C-318 C-313 C-310 C-332 C-310 Washer C-311 Spacer C-312 DiscNut C-313 DiscStud C-318 Pin C-319 TestPlug C-321 HingePin C-327 BodySeatRing C-329 Arm C-331 Cover C-332 Disc C-333 Body Rubber Faced Disc Parts C-316 DiscSeatBolt C-326 DiscSeatRing C-328 SeatHolder Bronze Faced Disc Parts C-326 DiscSeatRing Valve body and clapper Rubber faced disc shown C-327 C-326 C-328 C-316 StainlessSteel ASTMA276Type304 Rubber ASTMD2000,BK807 CastIron* ASTMA126Cl.B Bronze ANSIB62 Rubber faced disc clapper Bronze faced disc clapper C-311 *2"- 6" sizes are cast iron, ASTM A126 Cl. B, 8"- 12" sizes are ductile iron ASTM A536 ▼ Material strength ASTM A536 65-45 minimum C-321 C-306 C-305 Hinge pin and stuffing box

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MUELLER® 2"-12" SWING TYPE GRAVITY OPERATED CHECK VALVE DIMENSIONS - FL. X FL. Shaded area indicates change Rev.5-15 4.3 A R B X UU Q Q FF Size* 2" 2.00 6.00 8.00 4.94 5.63 4--.75 4.75 34 Dimension** Q(bore) R FF A X B(numberandsizeof bolts) UU(boltcirclediameter) Weight 2-1/2" 2.50 7.00 8.50 5.69 7.13 4--.75 5.50 50 3" C-309 3.00C-319 7.50 9.50 4" 4.00 9.00 11.50 6.88 9.88 8--.75 7.50 80 C-308 6.06C-331 8.13C-329 C-333 4--.75 6.00 C-312 60 C-318 C-313 C-310 C-332 Dimension** Q(bore) R FF A X B(numberandsizeof bolts) UU(boltcirclediameter) Weight Size* 6" 6.00 11.00 14.00 8.50 11.88 8--.88 9.50 151 8" 8.00 13.50 19.50 9.94 16.13 10" 10.00 16.00 24.50 11.19 18.38 12--1.00 14.25 405 12" 12.00 19.00 27.50 13.56 21.63 12--1.00 17.00 611 C-327 C-326 267 C-328 C-316 11.75 8--.88 *Nominal **All dimensions are in inches. All weights are in pounds and are approximate. C-311 C-321

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