Valve nutrenu nye akpa vevi aɖe le valve bliboa me, eƒe taɖodzinu vevitɔe nye be wòaxe mɔ ɖe tsi si le dodom nu, .ʋuƒoa ƒe ʋuƒoawogayɔa nutrenu zikpui la be nutrenu ƒe asigɛ, enye habɔbɔ si doa ka kple nusi le pɔmpia me tẽ eye wòxea mɔ na nutrenu la ƒe sisi. Ne wole ʋuƒoa zãm la, mɔ̃ vovovowo nɔa pɔmpia me, abe tsi, gas, ami, nusiwo gblẽa nu, kple bubuawo ene, eye wozãa ʋuƒo vovovowo ƒe nutrenuwo le teƒe vovovowo eye woate ŋu atrɔ ɖe mɔ̃ vovovowo ŋu.
TWSValveɖo ŋku edzi na wò be woate ŋu ama nusiwo wotsɔ wɔa valvɔ nutrenuwo ɖe hatsotso eve me, siwo nye ganuwo kple esiwo menye ganuwo o. Zi geɖe la, wozãa nutrenu siwo menye ga o le pɔmpiwo me le dzoxɔxɔ kple nyaƒoɖeamenu si sɔ me, gake ga nutrenuwo ya wɔa dɔ le mɔ vovovowo nu eye woate ŋu azã wo le dzoxɔxɔ gã me. nyaƒoɖeamenu gã aɖe.
Rababa si wowɔ nyo wu dzɔdzɔme rababa le ami ƒe tsitretsitsi, dzoxɔxɔ ƒe tsitretsitsi kple xɔxlɔ̃ ƒe tsitretsitsi gome. Zi geɖe la, dzoxɔxɔ si le rababa si wowɔ ŋu le dɔwɔwɔ me nye t≤150. Ƒe 150°C, dzɔdzɔme rababa nye t≤60°C, eye wozãa rababa hena nutrenu na globe valves, gate valves, diaphragm valves, butterfly valves, check valves, pinch valves kple valve bubu siwo ƒe nyaƒoɖeamenu le ŋkɔ me PN≤1MPa ƒe xexlẽme.
2. Nylon ƒe ƒuƒoƒo
Nylon ƒe nɔnɔmewo nye friction coefficient sue kple corrosion tsitretsitsi nyuie. Wozãa nylon wu na ball valve kple globe valve siwo ƒe dzoxɔxɔ nye t≤90°C kple nyaƒoɖeamenu si woyɔna be PN≤32MPa ƒe xexlẽme.
3. Polytetrafluoroethylene si nye atike si woyɔna be polytetrafluoroethylene
Wozãa PTFE wu na globe valves, gate valves, ball valves, kple bubuawo kple dzoxɔxɔ t≤232. Ƒe 232°C kple nyaƒoɖeamenu si woyɔna be PN≤6.4MPa ƒe xexlẽme.
4. Ga si wotsɔ ƒu gbe
Wozãa gayibɔ si wotsɔ ƒu gbe na agbo ƒe ʋuƒo, globe ʋuƒo, plug ƒe ʋuƒo, kple bubuawo hena dzoxɔxɔ t≤100. Ƒe 100°C, nyaƒoɖeamenu si woyɔna be PN≤1.6MPa, gas kple ami.
5. Babbitt ƒe akɔbli
Wozãa Babbitt akɔbli na ammonia globe valve kple dzoxɔxɔ t-70 ~ 150°Ckple nyaƒoɖeamenu si woyɔna be PN≤2.5MPa ƒe xexlẽme.
6. Akɔbli si wotsɔ ƒo ƒui
Nusiwo wozãna zi geɖe na 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 ƒe xexlẽme°Ckple nyaƒoɖeamenu si woyɔna be PN≤1.6MPa ƒe xexlẽme. Wozãnɛ zi geɖe le agbo ƒe ʋuƒo, globe ʋuƒo, ɖaseɖigbalẽ ƒe ʋuƒo, plug ƒe ʋuƒo, kple bubuawo me.
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 tsi, dzoxɔxɔ kple ami ƒe valvɔwo dzi kple dzoxɔxɔ t≤450 ƒe xexlẽme°Ckple nyaƒoɖeamenu si woyɔna be PN≤32MPa ƒe xexlẽme.
8. Chrome-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 kple mɔ̃ bubu siwo ƒe dzoxɔxɔ nye t≤600 ƒe xexlẽme°C kple nyaƒoɖeamenu si woyɔna be PN≤6.4MPa, eye wozãnɛ na globe valves, ball valves, kple bubuawo.
9. Nitriding gakpo
Nitriding gakpo 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 ƒe ʋuƒo siwo me dzoxɔxɔ t≤540. Ƒe 540°Ckple nyaƒoɖeamenu si woyɔna be PN≤10MPa ƒe xexlẽme.
10. Boronizing ƒe dɔwɔwɔ
Boronizing trɔa asi le nutrenu ƒe anyigba ŋu tẽ tso nusiwo le valvɔ ƒe ŋutilã alo disk ƒe ŋutilã me me, eye emegbe wòwɔa boronizing ƒe anyigba ƒe dɔwɔwɔ. Nutrenu ƒe anyigba la te ŋu nɔa te ɖe vuvu nu nyuie. Na elektrikdɔwɔƒe ƒe yaƒoƒo ƒe ʋuƒo.
Ne wole ʋuƒoa zãm la, nya siwo ŋu wòle be woalé ŋku ɖoe nye esiawo:
1. Ele be woado alesi ʋuƒoa ƒe nutrenu wɔa dɔe akpɔ be ewɔa dɔ hã.
2. Kpɔe ɖa be ʋuƒoa ƒe nutrenu la vuvu hã, eye nàdzrae ɖo alo aɖɔlii le nɔnɔmea nu.
Ɣeyiɣi si woɖoe ɖe amewo: Jan-04-2023
