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Uhlobo lwePneumatic Diaphragm Ivalufa yePlastiki
Iimpawu zeeMveliso
1) Ubomi bomjikelo ophezulu, ukusebenza kakuhle kokutywinwa.
2) Ubunzima bokukhanya kunye ne-corrosion egqwesileyo yokumelana, ngenxa yokwakhiwa kwe-thermoplastic ekhethekileyo.
3) Zonke izixhobo ozikhethelayo zinokongezwa ngokulula okanye zisuswe endle.
4) Ukuchasana kokuhamba okuncinci, umthamo wokuhamba okuphezulu, kunye ne-positioner inokufakwa ukufezekisa ulawulo lokuhamba.
5)Isixhobo sokumisa sokuvala esilungelelanisiweyo senzelwe ukuphucula ubomi benkonzo ye-diaphragm kunye nokwenza lula inkqubo yokulondoloza.
Yintoni ivalve ye-pneumatic diaphragm?
Ivalve ye-pneumatic diaphragm esisiseko sentshayelelo ye-pneumatic diaphragm valve. luhlobo olukhethekileyo lwevalvu yokusika, yavela ngeminyaka yoo-1920. Amalungu ayo okuvula nawokuvala sisiqwenga semathiriyeli ethambileyo eyenziwe nge-diaphragm, umngxuma womzimba wevalve kunye nomgodi wokuvala ivalve kunye nezinto zokuqhuba ziyahlukana, ke ibizwa ngokuba yi-pneumatic diaphragm valve. Ivalve yepneumatic diaphragm eyona nto ibalaseleyo yi diaphragm ukuya kumngxuma ongezantsi womzimba kunye nomphezulu webhonethi. Ifumaneka kwi-diaphragm ngaphezu kwesiqu, i-flap kunye nezinye iindawo eziphakathi ukusuka kwi-corrosion, ukuphelisa ukupakisha ukutywinwa kwesakhiwo, kwaye ayiyi kuvelisa ukuvuza okuphakathi.
Ziziphi iingenelo zevalve ye-pneumatic diaphragm?
Ivalve ye-pneumatic diaphragm ineenzuzo ezimbini eziphambili:
1) i-valve ayifuni i-stem ehlukeneyo yokupakisha isakhiwo sokutywinwa, i-diaphragm kwi-cut cut medium ngexesha elifanayo idlala indima ekutywinweni kwesiqu.
2) Kukuguquguquka kokuvalwa kwe-diaphragm kunokwethenjelwa, kwaye nakwi-liquid yokungcola kunokwenza umsebenzi omhle wokunqumla.
Ngoko ke, indlela yokusebenza kunye nejelo eliphakathi lihlukaniswe ngokupheleleyo. I-valve ye-diaphragm ye-pneumatic ayinakusetyenziswa kuphela kwishishini lokutya kunye neshishini lamachiza, kodwa nakwamanye anzima ukuthutha amajelo kunye neendaba eziyingozi.
Ziziphi iingenelo zevalve ye-pneumatic diaphragm?
L(mm) | d | L2 | |||||||
HG/DIN | HE | ANSI | Isiseko | Umsonto | |||||
HG/DIN | HE | ANSI | HG/DIN | HE | ANSI | ||||
amashumi amabini ananye | 110 | 110 | 20 | amashumi anambini | 21.3 | Rc1/2 | PT1/2 | NPT1/2 | 155 |
amashumi anambini | 120 | 120 | 25 | 26 | 26.7 | Rc3/4 | PT3/4 | NPT3/4 | 165 |
amashumi amabini anantathu | 130 | 130 | 32 | 32 | 33.4 | Rc1/2 | PT1/2 | NPT1/2 | 173 |
25 | 160 | 160 | 40 | 38 | 42.2 | Rc1-1/4 | PT1-1/4 | NPT1-1/4 | 248 |
28 | 180 | 180 | 50 | 48 | 48.3 | Rc1-1/2 | PT1-1/2 | NPT1-1/2 | 257 |
30 | 210 | 210 | 65 | 60 | 60.3 | Rc2 | PT2 | NPT2 | 292 |