Valve nutrenu nu nye valve nutrenu ƒe akpa vevi aɖe. Nukae nye nusiwo wotsɔ xea ʋuƒoa nu? Míenya be woma valvɔ nutrenu ƒe asigɛ nuawo ɖe hatsotso eve me: ga kple esiwo menye ga o. Nusiwo gbɔna nye ŋgɔdonya kpui aɖe tso nutrenu vovovowo zazã ƒe nɔnɔmewo ŋu, kpakple valvɔ ƒomevi siwo wozãna zi geɖe.
1. Rababa si wowɔ kple asi
Nusiwo katã le rababa si wowɔ ŋu abe ami ƒe tsitretsitsi, dzoxɔxɔ ƒe tsitretsitsi kple xɔxlɔ̃ ƒe tsitretsitsi nyo wu dzɔdzɔme rababa tɔ. Zi geɖe la, dzoxɔxɔ si wozãna le rababa si wowɔ ŋu nye t≤150°C, eye dzoxɔxɔ si le dzɔdzɔme rababa ŋu nye t≤60°C.Wozãa rababa tsɔ xea mɔ na globe valves, .rababa si bɔbɔ nɔ agbonudzɔƒe ƒe ʋuƒo, diaphragm ƒe ʋuƒo, .ruber bɔbɔ nɔ kpakpaluʋui ƒe ʋuƒo, ruber bɔbɔ nɔ swing check valve (check valves ƒe ʋuƒo), pinch valves kple valve bubu siwo ƒe nyaƒoɖeamenu le ŋkɔ me PN≤1MPa.
2. Nylon ƒe ƒuƒoƒo
Nylon ƒe nɔnɔmewo nye friction coefficient sue kple corrosion tsitretsitsi nyuie. Wozãa nylon wu na bɔl ƒe ʋuƒo kple globe ʋuƒo siwo ƒe dzoxɔxɔ nye t≤90°C kple ŋkɔ ƒe nyaƒoɖeamenu PN≤32MPa.
3. PTFE ƒe dɔwɔwɔ
Wozãa PTFE zi geɖe na globe valves, .agbonudzɔƒewo ƒe ʋuƒo, bɔl ƒe ʋuƒo, kple bubuawo kple dzoxɔxɔ t≤232°C kple nyaƒoɖeamenu si woyɔna be PN≤6.4MPa.
4. Ga si wotsɔ ƒu gbe
Wozãa gayibɔ si wotsɔ ƒu gbe naagbo ƒe ʋuƒo, globe valve, plug valve, kple bubuawo na dzoxɔxɔ t≤100°C, ŋkɔnya ƒe nyaƒoɖeamenu PN≤1.6MPa, gas kple ami.
5. Babbitt ƒe akɔbli
Wozãa Babbitt akɔbli na ammonia globe valve kple dzoxɔxɔ t-70 ~ 150 ° C kple ŋkɔ nyaƒoɖeamenu PN ≤ 2.5MPa.
6. Akɔbli si wotsɔ ƒo ƒui
Nusiwo wozãna zi geɖe tsɔ wɔa akɔbli ƒe kpewoe nye akɔbli si ƒe lolome nye tin 6-6-3 kple akɔbli si ƒe lolome nye manganese 58-2-2. Akɔbli akɔbli ƒe tsitretsitsi nyuie le vuvu eye wòsɔ na tsi kple dzoxɔxɔ kple dzoxɔxɔ t≤200°C kple ŋkɔnya ƒe nyaƒoɖeamenu PN≤1.6MPa. Wozãnɛ zi geɖe leagbonudzɔƒewo ƒe ʋuƒo, globo ƒe ʋuƒo, .check valves ƒe ʋuƒo, plug-valvɔwo, kple bubuawo.
7. Chrome gakpo si mexɔ dzo o
Chromium gakpo si mexɔ dzo o ƒe hatsotso siwo wozãna zi geɖee nye 2Cr13 kple 3Cr13, siwo wotsi heɖe fu na wo, eye wote ŋu nɔa te ɖe xɔxlɔ̃ nu nyuie. Wozãnɛ zi geɖe le valvɔwo me na nyadzɔdzɔgblɔmɔnuwo abe tsi, dzoxɔxɔ kple ami si ƒe dzoxɔxɔ nye t≤450°C kple ŋkɔnya ƒe nyaƒoɖeamenu PN≤32MPa.
8. Chromium-nickel-titanium gakpo si mexɔ dzo o
Chromium-nickel-titanium gakpo si mexɔ dzo o ƒe hatsotso si wozãna zi geɖe enye 1Cr18Ni9ti, si te ŋu nɔa te ɖe xɔxlɔ̃ nu nyuie, te ŋu nɔa te ɖe xɔxlɔ̃ nu eye wòte ŋu nɔa te ɖe dzoxɔxɔ nu. Esɔ na dzoxɔxɔ, nitric acid kple nyadzɔdzɔgblɔmɔ̃ bubu siwo ƒe dzoxɔxɔ le t≤600°C kple nyaƒoɖeamenu si woyɔna be PN≤6.4MPa, si wozãna na globe valve, ball valve, kple bubuawo.
9. Ga si wotsɔ nitrid wɔe
Nitrided steel ƒe hatsotso si wozãna zi geɖe enye 38CrMoAlA, si te ŋu nɔa te ɖe xɔxlɔ̃ nu nyuie eye wòte ŋu nɔa te ɖe xɔxlɔ̃ nu le carburizing dɔwɔwɔ vɔ megbe. Wozãnɛ zi geɖe le elektrikdɔwɔƒe ƒe agbo valvɔ si me dzoxɔxɔ t≤540°C kple ŋkɔnya ƒe nyaƒoɖeamenu PN≤10MPa.
10. Boronizing ƒe dɔwɔwɔ
Boronizing trɔa asi le nutrenu ƒe anyigba ŋu tẽ tso nusiwo le valvɔ ƒe ŋutilã alo disk ƒe ŋutilã me, eye emegbe wòwɔa boronizing anyigba dzi dɔdamɔnu, nutrenu ƒe anyigba la te ŋu nɔa te ɖe vuvu nu nyuie. Wozãnɛ le elektrikdɔwɔƒe ƒe yaƒoƒo ƒe ʋuƒo me.
Ɣeyiɣi si woatsɔ aɖoe ɖe amewo: Jun-10-2022
