
Njengoko igama lisitsho,Ivalvu yesango le-intshi ezi-6inobubanzi obuzii-intshi ezi-6. Ngokwemigangatho yamazwe ngamazwe, i-intshi e-1 ilingana ne-25.4 mm, ngoko ke ii-intshi ezi-6 zilingana ne-152.4 mm. Nangona kunjalo, kwiimveliso zeevalvu zokwenyani, sidla ngokusebenzisa ububanzi obuqhelekileyo (DN) ukubonisa ubungakanani bevalvu. Ububanzi obuqhelekileyo bevalvu ye-intshi ezi-6 ngokubanzi yi-150 mm. Imigangatho yethu yoyilo lweevalvu zesango ibandakanya i-API 600 kunye ne-API 6D. Nceda uqhagamshelane nathi ukuze ufumane ulwazi oluthile lobungakanani kunyeixabiso levalvu yesangoInkampani yeValve yaseNSW iza kubonelela ngeekowuteshini zeevalvu kunye nemizobo yeevalvu simahla.
Ukongeza kububanzi kunye nobubanzi bangaphandle, amandla okuthwala uxinzelelo lwevalvu nayo yinto ebalulekileyo ekufuneka iqwalaselwe xa ukhetha. Amandla okuthwala uxinzelelo aphezulu kwivalvu eyi-intshi ezi-6 ngokubanzi angaphantsi kweepawundi ezingama-2,500, oko kuthetha ukuba phantsi kweemeko zokusebenza eziqhelekileyo, uxinzelelo oluphezulu olunokumelana nevalvu akufuneki ludlule lo mda. Ngaphandle koko, iingxaki zokhuseleko ezifana nomonakalo wevalvu okanye ukuvuza zinokwenzeka.
Iingcinezelo eziqhelekileyo zeevalvu zesango eziveliswa yiNSW Valve Company ziiKlasi 150LB, iKlasi 300LB, iKlasi 600LB, iKlasi 1500LB, iKlasi 2500LB, kwaye singenza ngokwezifiso ezinye iingcinezelo.
Izinto eziqhelekileyo zeevalvu zesango yintsimbi yekhabhoni, intsimbi engatyiwayo, intsimbi engatyiwayo ephindwe kabini, ubhedu lwe-aluminium kunye nezinye iintsimbi ezikhethekileyo ze-alloy.
I-NSW ngumthomboUmzi-mveliso weValve yeSangoYethuIvalvu yesango le-intshi ezi-6kunye nezinye ii-valve zesango ezinobukhulu obuphantsi kakhulu, nto leyo enokukunceda ukuba ufikelele ngokukhawuleza kwimarike yeevalve. Kwangaxeshanye, siqinisekisa ukuba iivalve zethu zesango zihambelana ngokupheleleyo nemigangatho yamazwe ngamazwe ye-API 600 kunye ne-API 6D.
Iivalvu zesango eziziisentimitha ezi-6 zisetyenziswa kakhulu kwiinkqubo ezahlukeneyo zemibhobho yemizi-mveliso ukulawula ukuhamba kolwelo. Ngenxa yobukhulu bazo obuphakathi kunye nokumelana noxinzelelo, iivalvu eziziisentimitha ezi-6 zifanelekile kwiindawo zolwelo ezinje ngamanzi, umphunga, ioyile, kwaye zinokusetyenziselwa ezinye iindawo zolwelo ezirhabaxa okanye ezinobushushu obuphezulu kunye nezoxinzelelo oluphezulu. Xa ukhetha, uhlobo olufanelekileyo lwevalvu kunye nezinto kufuneka zikhethwe ngokweemeko zokusetyenziswa kunye neempawu eziphakathi.
Xa ukhetha ivalvu yesango eyi-intshi ezi-6, ukongeza ekuqwalaseleni iiparameter ezisisiseko ezifana ne-caliber, ububanzi bangaphandle kunye nokumelana noxinzelelo, kufuneka uqwalasele nezinto ezifana nohlobo lwesakhiwo sevalvu, ukusebenza kokutywina, indlela yokusebenza, kunye nomenzi. Iimveliso zevalvu ezikumgangatho ophezulu azinazo nje kuphela ukusebenza kakuhle kunye nobomi benkonzo, kodwa zikwabonelela ngeziqinisekiso ezizinzileyo nezithembekileyo zemveliso yemizi-mveliso. Ke ngoko, kuyacetyiswa ukuba xa ukhetha iivalvu, nika ingqalelo kwiimpawu ezaziwayo kunye nabavelisi abanegama elihle. Iivalvu ze-NSW bezigxile kwimveliso kunye nokuthumela kwamanye amazwe iivalvu zesango kangangeminyaka engaphezu kwama-20 kwaye ngumthengisi weevalvu zesango onokumthemba.