I-API 6A Wellhead manual kanye nama-hydraulic Choke Valve
I-valve ye-choke iyingxenye eyinhloko yesihlahla sikaKhisimusi futhi yenzelwe ukulawula umkhiqizo womthombo wamafutha, izinto zomzimba kanye nezingxenye ze-valve ye-choke zihambisana ngokuphelele ne-API 6A kanye ne-NACE MR-0175 Standard Specifications, futhi isetshenziswa kabanzi ekubholeni uphethiloli ogwini kanye nolwandle. I-valve ye-throttle isetshenziswa kakhulu ukulungisa ukugeleza kanye nokucindezela kohlelo oluningi; Kunezinhlobo ezimbili zama-valve okulawula ukugeleza: aqinile futhi alungisekayo. Ama-valve e-throttle alungisekayo ahlukaniswe ngohlobo lwenaliti, uhlobo lwesikhafu sekheji langaphakathi, uhlobo lwesikhafu sekheji langaphandle kanye nohlobo lwepuleti le-orifice ngokwesakhiwo; Ngokwemodi yokusebenza, ingahlukaniswa ibe yi-manual kanye ne-hydraulic ezimbili. Ukuxhumeka kokuphela kwe-choke Valve kuyintambo noma i-Flange, exhunywe yi-non noma i-flange. I-choke valve iwela ku: i-choke valve enhle, i-needle choke valve, i-choke valve elungisekayo, i-cage choke valve kanye ne-orifice choke valve, njll.