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Float Collar Shoe, Our company produces the float collar floats the shoes main body material to use 35CrMo, may drill in the type to buy to have the aluminum alloy to combine becomes, may act according to the user request, provides each kind of thread specification to you the float collar to float the shoes, for example: Short round thread (S), oval thread (L), acme thread (B) and analysis situs buckle: TPCQ, TP-NF, TP-FJ, WSP-IT. May divide into the float type, from to fill the type, the spring type, the tongue beat and the self-locking type float collar according to the back pressure equipment floats the shoes. OurcompanyistheoriginalfactoryinQingdaoPetroleumMachineryFactory,July2007 throughtheISO9001(REGISRATIONNO.0885) internationalqualitysystem certification, andin2008passed Americanpetroleuminstitutequalitymanagementsystemof preferenceAPISPECQ1(REGISRATIONNO.Q1-0637) andISO/TS29001(REGISRATIONNO.TS-0469)authentication. Valve assembly Brand name Specification Main material Valve assembly F-1000/800 20CrMnMo/ 20CrMnTi F-1300/1600 F-1600HL F-2200HL 3NB-1000C 3NB-1300C High pressure valve assembly F-1600HL 20Cr2Ni4 F-2200HL Float collar and float shoe Specification 5 5 1/2 7 9 5/8 10 3/4 11 3/4 13 3/8 OD(mm) 141 154 195 20 299 324 356 Body ID (mm) 108 120 155 221 250 276 318 length Cement-filled 450-550 550-700 700-800 None cement-filled I II 300-500 Reverse pressure (Mpa) 30 35 15 10 Positive pressure (Mpa) 20 25 10 10 Mini. Dia. flow Cross-section 50-60 60-70 Screw thread Inside thread Long round Short round Outside thread Long round, short round Short round Bow spring centralizer specification mm (in) Well diameter Mm (in) Wide of spring(mm) Thickness of spring Amount of spring remark 114(4 1/2) 152,159,200 (6, 6 1/4, 7 7/8) 30 4 5 127 (5) 171,200 (6 3/4,7 7/8) 30 4 5 140(5 1/2) 200,222,251 (7 7/8,8 3/4,9 7/8) 30 4 6 168 (6 5/8) 222 (8 3/4) 30 4 6 178 (7) 222,251 (8 3/4,9 7/8) 35 4 6 194 (7 5/8) 244,251 (9 5/8,9 7/8) 40 4 6 219 (8 5/8) 311 (12 1/4) 40 4 8 244 (9 5/8) 311 (12 1/4) 40 4 8 273 (10 3/4) 375 (14 3/4) 45 4 10 298 (11 3/4) 394 (15 1/2) 45 4 10 340 (13 3/4) 444 (17 1/2) 50 4 10