Ingxaki eqhelekileyo ye-butterfly vaterve
1. Phambi kokuba kufakelwe ivalve yombane yebhabhathane, qinisekisa ukuba i-Inder Ints yomsebenzi kunye notolo oluhamba ngendlela ehamba ngephakathi lomzi-mveliso wethu luyahambelana nemeko yokuhamba, kwayeCoca i-cavity engaphakathi yevalve, ungavumeli ukungcola kwikhonkrithi yokutywina kunye nebhabhathane, kwaye ungasondeli ngaphambi kokucocaI-Butterfly Plate, ukuze ingabi nako ukonakalisa umsesane wokutywina.
2. HGJ541-91 isokisi ye-wlieke ye-welding icetyiswa ukuba isetyenziswe njenge-Flating Flouration yoFundo lweBhola loMbane.
I-3. Ivalve yombane ifakwe kumbhobho, eyona ndawo ilungileyo kukufakelwa okuthe nkqo, kodwa ayinakuthintelwa.
I-4. Ivalve yombane yebhabhathane kufuneka ihlengahlengise ukuhamba okusebenzayo, nto leyo elawulwa yibhokisi ye-Worm Gear.
I-5. Kwindawo yebhabhathane enokuvula kunye namaxesha okuvula, ukuvula i-gem gesi yetyala malunga neenyanga ezimbini ukukhangela ukuba igquma yinto eqhelekileyo,Gcina ixabiso elifanelekileyo lebhotolo.
6. Jonga iindawo zonxibelelwano ukuqinisekisa ukuqina kokupakisha kunye nokujikeleza okuguquguqukayo kwe-valve stem.
I-7. I-val yentsimbi yentsimbi ayifanelekanga ukuba ifakwe ekupheleni kombhobho. Ukuba kufuneka ifakwe ekupheleni kombhobho, kufuneka idityanisweI-Flange, ethintele i-typestock ye-vertock, isikhundla ngaphezulu.
8. Ukufakwa kwesiqu se-valve kwaye usebenzise impendulo, hlala ujonga i-velish prove, fumanisa impazamo ngexesha.
IXESHA LOKUQALA: NgoFebruwari-16 ukuya ku-2003