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API 11B Sucker Qws Coupling
Peb lub tuam txhab tsim cov coupling xws li sucker rod coupling, sub-coupling thiab spray coupling, lawv tsim raws li API Spec 11 B tus qauv.Siv cov zoo carbon steel los yog hlau alloy steel (qhov sib npaug ntawm AISI 1045 thiab AISI 4135) thiab plating hlau yog Ib hom kev siv tshuab deg hardening, yog npib tsib xee, chromium, boron thiab silicon hmoov coated rau ntawm cov hlau substrate thiab fused nrog laser ua, tom qab cov txheej txheem, cov hlau nto ua nyuaj, ceev dua thiab ntau dua, kev sib txhuam coefficient yog heev. qis thiab corrosion kuj yog siab heev.Slim qhov (SH) txoj kab uas hla thiab tus qauv loj (FS) ntawm cov pa sucker pas nrig thiab polished pas nrig muaj plating hlau (SM) .Raws li ib txwm muaj, muaj ob tug ciaj ntswj ntawm lub coupling thiab lub voj voog sab nraud, tab sis raws li cov neeg siv peb kuj muab tau. tsis muaj qhov sib dhos square.Hardness ntawm coupling T yog HRA56-62 tom qab kev kho cua sov, nrog zoo corrosion kuj thiab hnav tsis kam, thaum siv sucker pas nrig coupling, yog txuas nrog tib tus pas nrig, sub-coupling yog siv rau kev sib txuas rau qhov sib txawv ntawm qhov loj me. sucker pas nrig los yog txuas cov pas nrig polished thiab pas nrig .Coupling hom: Chav T (tag nrho qhov loj thiab slim qhov), Class SM (tag nrho qhov loj thiab slim qhov).
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