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4.6 Rev. 9-14 Shaded area indicates change MUELLER® 8001 SERIES 14"-36" SWING TYPE LEVER AND WEIGHT CHECK VALVE - FL.X FL. Catalog Number Flanged ends, with bronze disc facing Flanged ends, with rubber disc facing ❏ 14" - 1400-8001B1LW ❏ 14" - 1400-8001BBLW ❏ 16" - 1600-8001B1LW ❏ 16" - 1600-8001BBLW ❏ 18" - 1800-8001B1LW ❏ 18" - 1800-8001BBLW ❏ 20" - 2000-8001B1LW ❏ 20" - 2000-8001BBLW ❏ 24" - 2400-8001B1LW ❏ 24" - 2400-8001BBLW ❏ 30" - 3000-8001B1LW ❏ 30" - 3000-8001BBLW ❏ 36" - 1400-8001B1LW ❏ 36" - 1400-8001BBLW ❏ MeetsallapplicablepartsofANSI/AWWAC508Standard ❏ FlangedenddimensionsanddrillingcomplywithANSIB16.1,class125 ❏ Epoxycoatedinterior&exteriorforcorrosionresistance 1600-8001BBLW ❏ CertifiedtoANSI/NSF61 ❏ Ironbody,bronzemounted(IBBM) NOTE: 8001 series Valves on this page cannot be adapted ❏ Choiceofbronzeorrubberdiscfacing with cylinders. Use 9001 ❏ Forverticalorhorizontalinstallation series valve if cylinders might be added after the valves are ❏ O-ringsealedstuffingbox installed. ❏ Adjustableweighttocontrolopeningandclosingofclapper ❏ 150psig(1000kPa/10barg)maximumworkingpressure,300psig(2100kPa/21barg)testpressure Options ❏ SpringKits ❏ 304StainlessSteelNuts&Bolts ❏ DrainPlug/Flushport Check Valve Parts Catalog Part No. Description C-250 C-251 C-252 C-253 C-255 C-256 C-258 C-259 C-260 C-262 14"-16" C-254 C-257 C-263 C-264 C-265 C-266 C-267 C-268 C-269 C-270 Cover CoverGasket CoverBoltandNut TestPlug Weight Body O-ring Key BodySeatRing WeightBolt Disc WeightArm HingePin O-ring SnapRing BushingA BushingB EndPlateA EndPlateB EndPlateBolt Material CastIron Rubber ZincCoatedSteel MalleableIron CastIron CastIron Rubber StainlessSteel Bronze Material Standard ASTMA126CL.B ASTMD2000AA7008 ASTMA307GradeB ASTMA47 ASTMA126CL.B ASTMA126CL.B ASTMD2000 ASTMA276Type304 ANSIB62 ❏ BraidedTeflonHingePinPacking 14"-16" Check Valve C-252 C-253 C-251 C-257 C-268 C-255 C-262 C-264 C-259 C-258 C-253 C-250 C-267 C-266 C-263 C-269 C-270 C-265 ZincCoatedSteel ASTMA307GradeB DuctileIron ZincCoatedSteel StainlessSteel Rubber StainlessSteel Bronze Bronze Bronze DuctileIron ASTMA536▼ ASTMA307GradeB ASTMA276Type304 ASTMD2000 ASTMA276Type420 ANSIB62 ANSIB62 ANSIB62 ASTMA536▼ C-277 C-260 C-254 C-278 C-279 Rubber Seat C-256 C-260 Inset Bronze Seat 18"-36" Check Valve C-252 C-250 C-262 C-251 C-255 C-271 C-276 C-275 C-257 C-258 C-253 C-274 C-259 C-273 ZincCoatedSteel ASTMA307GradeB CastIron DuctileIron Rubber StainlessSteel Bronze StainlessSteel Bronze DuctileIron StainlessSteel DuctileIron Rubber Bronze ASTMA126ClassB ASTMA536▼ ASTMD2000 ASTMA276Type304 ASTMB21 ASTMA276Type304 ASTMB21 ASTMA536▼ ASTMA276Type304 ASTMA536▼ ASTMD2000AA7008 ANSIB62 18"-36" C-254 Disc C-257 WeightArm C-271 Gasket C-272 DiscBolt C-273 RetainingPlug C-274 ClapperArmShaft C-275 SeatNut C-276 Arm Rubber Faced Disc Parts C-277 SeatHolderBolt C-278 SeatHolder C-279 DiscSeatRing Bronze Faced Disc Parts C-261 DiscSeatRing C-272 C-277 C-278 C-260 C-279 Rubber Seat C-254 C-256 Inset C-260 Bronze Seat ▼ Material strength ASTM A536 65-45 minimum

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MUELLER® 8001 SERIES 14"-36" SWING TYPE LEVER AND WEIGHT CHECK VALVE DIMENSIONS - FL.X FL. 14"-16" Check Valve P A R UU B Q Shaded area indicates change Rev.5-15 4.7 FF 18"-36" Check Valve A R UU Q B FF Dimension** Q R FF A P UU(boltcirclediameter) B(numberandsizeof bolts) Weight Size* 14" 14.00 21.00 31.00 19.31 1.50 18.75 12 –1.13 1,111 16" 16.00 23.50 36.00 21.50 1.50 21.25 16 –1.13 1,450 18" 18.00 25.00 36.00 24.50 22.75 16– 1.25 1,804 20" 20.00 27.50 39.50 26.38 25.00 20– 1.25 2,194 24" 24.00 32.00 45.00 30.25 29.50 20–1.38 3,076 30" 30.00 38.75 52.50 36.38 36.00 28– 1.38 5.955 36" 36.00 46.00 60.50 40.00 42.75 32–1.63 7,645 *Nominal **All dimensions are in inches. All weights are in pounds and are approximate.

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