Valvɔ ƒomevi geɖe li, gake dɔ vevitɔe nye ɖeka, si nye be woatsɔ aƒo ka alo atso tsi si sina le titina la nu. Eyata valvɔa ƒe nutrenu ƒe kuxia dze ƒã ŋutɔ.
Be woakpɔ egbɔ be ʋuƒoa ate ŋu atso tsi si sina le titina la nyuie evɔ tsi mado le eme o la, ehiã be woakpɔ egbɔ be ʋuƒoa ƒe nutrenu la me gblẽ o. Susu geɖewo li siwo tae valvɔa tsina, siwo dometɔ aɖewoe nye xɔtuɖoɖo si me susu mele o, nutrenu ƒe kadodo ƒe akpa si gblẽ, nutrenu ƒe akpa siwo me mekɔ o, valvɔ ƒe ŋutilã kple bonnet dome si mebɔbɔ o, kple bubuawo Kuxi siawo katã ate ŋu ana valvɔa nagatre nyuie o. Enyo, to esia me la, ehe tsi si le dodom ƒe kuxi aɖe vɛ. Eyata, valvɔ nutrenu mɔ̃ɖaŋununya nye mɔ̃ɖaŋununya vevi aɖe si ku ɖe valvɔ ƒe dɔwɔwɔ kple eƒe nyonyome ŋu, eye wòbia numekuku si wowɔ ɖe ɖoɖo nu eye wòde to.
Nusiwo wozãna zi geɖe tsɔ xea nutrenu na valvɔwo koŋue nye esiwo gbɔna:
1. NBR ƒe nyawo
Ami ƒe tsitretsitsi nyuie ŋutɔ, tsitretsitsi ɖe nudodo ŋu ŋutɔ, dzoxɔxɔ ƒe tsitretsitsi nyuie, adhesion sesẽ. Nusiwo gblẽ le eŋue nye dzoxɔxɔ si bɔbɔ ƒe tsitretsitsi nyuie o, ozone mete ŋu nɔa te ɖe enu nyuie o, elektrikŋusẽ ƒe nɔnɔme madeamedzi, kple eƒe ʋeʋẽ si bɔbɔ vie.
2. EPDM ƒe dɔwɔwɔ
Nu vevitɔ kekeake si le EPDM ŋue nye eƒe oxidation tsitretsitsi si de ŋgɔ wu, ozone ƒe tsitretsitsi kple corrosion tsitretsitsi. Esi wònye be EPDM le polyolefin ƒomea me ta la, vulcanization ƒe nɔnɔme nyuiwo le esi.
3. PTFE ƒe dɔwɔwɔ
PTFE ƒe atikewo te ŋu nɔa te sesĩe, te ŋu nɔa te ɖe ami kple ami akpa gãtɔ nu (negbe ketones kple esters ko), te ŋu nɔa te ɖe yame ƒe nɔnɔme nu nyuie eye wòte ŋu nɔa te ɖe ozone nu, gake mete ŋu nɔa te ɖe vuvɔ nu nyuie o.
4. Ga si wotsɔ ƒu gbe
De dzesii: Wozãa gayibɔ si wotsɔ ƒo ƒu wɔ tsi, gas kple ami ƒe nyatakakamɔnu siwo ƒe dzoxɔxɔ nye...≤100. Ƒe 100°C kple nyaƒoɖeamenu si woyɔna be≤1.6mpa ƒe xexlẽme.
5. Nickel-si wotu ɖe akɔbli
De dzesii: Wozãa akɔbli siwo wotu ɖe Nickel dzi na pɔmpi siwo ƒe dzoxɔxɔ nye -70 ~ 150°C kple mɔ̃ɖaŋudɔwɔwɔ ƒe nyaƒoɖeamenu PN≤20.5mpa ƒe ʋuʋudedi.
6. Akɔbli si wotsɔ ƒo ƒui
Akɔbli si wotsɔ ƒo ƒui la te ŋu nɔa te ɖe vuvu nu nyuie eye wòsɔ na tsi kple dzoxɔxɔ ƒe pɔmpi siwo me dzoxɔxɔ le≤200 ƒe xexlẽme°Ckple nyaƒoɖeamenu si woyɔna be PN≤1.6mpa ƒe xexlẽme.
Ɣeyiɣi si woatsɔ aɖoe ɖe amewo: Dec-02-2022
