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4.4 Rev. 9-14 Shaded area indicates change MUELLER® 2"-12" SWING TYPE LEVER AND WEIGHT CHECK VALVES - FL. X FL. ❏ Catalognumber--A-2600-6-01BBflangedends,withbronzediscfacing A-2602-6-01B1flangedends,withrubberdiscfacing ❏ Sizes---2",2-1/2",3",4", 6",8",10",12" ❏ MeetsallapplicablepartsofANSI/AWWAC508Standard ❏ Epoxycoatedinterior&exteriorforcorrosionresistance ❏ CertifiedtoANSI/NSF61 ❏ FlangedenddimensionsanddrillingcomplywithANSIB16.1,class125 ❏ Ironbody,bronzemounted(IBBM) ❏ Choiceofbronzeorrubberdiscfacing ❏ Forverticalorhorizontalinstallation ❏ O-ringsealedstuffingbox A A-2600-6-01BB B X2 ❏ Adjustableweighttocontrolopeningandclosingofclapper,levercanbeinstalledoneithersideofvalve R UU ❏ 200psig(1400kPa/14barg)maximumworkingpressure,400psig(2800kPa/28barg)testpressure Q Q Options ❏StainlessSteelNuts&Bolts ❏AllenBradleyLimitSwitch ❏TappedBosses ❏PN10/PN16FlangeDrilling4"-12" FF P X1 Check Valve Parts (2011-present) Catalog Part No. C-301 C-306 C-307 C-308 Description RetainingPlug O-ringC O-ringB Gasket Material Material Standard ANSIB21 ASTMD2000,BK707 ASTMD2000,BK707 ASTMD2000,BK807 ASTMA307GradeB ANSIB21 ANSIB21 ANSIB21 ANSIB21 ASTMA276Type420 ASTMA307GradeB ASTMA276Type304 ASTMA47 ASTMA276Type304 ASTMA276Type304 ASTMA536▼ ASTMA307GradeB ANSIB21 ANSIB62 ASTMA536▼ ASTMA126Cl.B ASTMA126Cl.B ASTMA126Cl.B ASTMA126Cl.B ASTMA276Type304 ASTMD2000,BK807 ASTMA126Cl.B ANSIB62 Hinge pin and stuffing box Rubber faced disc clapper C-309 C-319 C-308 C-331 C-329 C-333 C-312 C-318 C-313 C-310 C-332 Brass Rubber Rubber Rubber ZincCoated C-309 CoverBolt Steel C-310 Washer Brass Brass C-311 Spacer Brass C-312 DiscNut Brass C-313 DiscStud StainlessSteel C-314 SnapRing ZincCoated C-315 WeightBolt&Nut Steel C-318 Pin StainlessSteel MalleableIron C-319 TestPlug StainlessSteel C-320 Key StainlessSteel C-321 HingePin C-322 WeightArm DuctileIron ZincCoated C-323 Bolt&Nut Steel C-325 SeatNut Brass C-327 BodySeatRing Bronze C-329 Arm DuctileIron C-330 Weight CastIron C-331 Cover CastIron C-332 Disc CastIron C-333 Body CastIron Rubber Faced Disc Parts C-316 DiscSeatBolt StainlessSteel C-326 DiscSeatRing Rubber C-328 SeatHolder CastIron* Bronze Faced Disc Parts C-326 DiscSeatRing Bronze Valve body and clapper Rubber faced disc shown C-327 C-326 C-328 C-316 Bronze faced disc clapper C-321 C-311 C-320 C-301 C-306 C-314 C-307 C-306 C-325 C-323 C-322 C-330 C-315 *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 Lever assembly and weight

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MUELLER® 2"-12" SWING TYPE LEVER AND WEIGHT CHECK VALVE DIMENSIONS - FL.X FL. Shaded area indicates change Rev.5-15 4.5 A R UU Q Q B X2 X1 FF P Dimension** Q(bore) R FF X1 X2 A P(hingepindiameter) B(numberandsizeofbolts) UU(boltcirclediameter) Weight Size* 2" 2.00 6.00 8.00 5.13 2.81 4.31 .38 4--.75 4.75 35 C-309 3" C-319 3.00 7.50 2-1/2" 2.50 7.00 8.50 5.13 3.56 5.69 .38 4--.75 5.50 51 4" 4.00 9.00 11.50 7.13 4.94 6.88 .50 8--.75 7.50 84 C-308 C-331 9.50 6.31 C-329 4.06 C-333 6.06 C-312 .50 C-318 4--.75 C-313 6.00 C-310 62 C-332 Size* Dimension** Q(bore) R FF X1 X2 A P B(numberandsizeofbolts) UU(boltcirclediameter) Weight 6" 6.00 11.00 14.00 8.69 5.94 8.50 .75 8--.88 9.50 156 8" 8.00 13.50 19.50 10.88 10" 10.00 16.00 24.50 12.25 9.19 11.19 1.00 12--1.00 14.25 418 12" 12.00 19.00 27.50 14.38 10.81 13.56 1.13 12--1.00 17.00 638 C-327 C-326 C-328 C-316 8.06 9.94 .88 8--.88 11.75 277 *Nominal **All dimensions are in inches. All weights are in pounds and are approximate. C-301 C-306 C-314 C-321 C-311 C-320

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