Valves henɔi babaoo yɛ, shi shishijee nitsumɔ lɛ ji ekome, ni ji, ni akɛtsaa loo afoɔ nu ni hoɔ yɛ teŋgbɛ lɛ mli. No hewɔ lɛ, naagba ni kɔɔ valve lɛ he lɛ jeɔ kpo waa.
Bɔni afee ni valve lɛ anyɛ afo nu ni hoɔ yɛ teŋgbɛ lɛ jogbaŋŋ ni nu akaho lɛ, ehe miihia ni akwɛ koni valve lɛ naatsii lɛ ahi shi jogbaŋŋ. Yiŋtoi babaoo yɛ ni haa valve lɛ mli nu hoɔ, ni nɔ ni fata he ji bɔ ni ato he gbɛjianɔ aha ni jwɛŋmɔ bɛ mli, nɔ ni akɛfiɔ he lɛ ni ehiii, nɔ ni akɛfiɔ he lɛ fãi ni etse, valve lɛ gbɔmɔtso lɛ kɛ bonnet lɛ teŋ ni etse, kɛ ekrokomɛi. Ojogbaŋŋ, no hewɔ lɛ ekɛ leak naagba baa. No hewɔ lɛ, tsɔne ni akɛtswaa valve lɛ ji tsɔne ko ni he hiaa ni kɔɔ valve lɛ nitsumɔ kɛ ekpakpafeemɔ he, ni ebiɔ niiamlitaomɔ ni ato he gbɛjianɔ ni mli kwɔ.
Nibii ni akɛfiɔ valves ahe lɛ titri ji henɔi ni nyiɛ sɛɛ nɛɛ:
1. NBR
Mu shitee-kɛ-woo ni hi jogbaŋŋ, atadewoo shitee-kɛ-woo ni nɔ kwɔ, dɔlɛ shitee-kɛ-woo kpakpa, ŋmɔlɔ ni mli wa. Ehe naagbai ji, hulutsoo be ni baa shi lɛ nyɛɛɛ atsu nii jogbaŋŋ, ozone lɛ nyɛɛɛ atsu nii jogbaŋŋ, tsɔne ni haa hulu tsoɔ waa lɛ nyɛɛɛ atsu nii jogbaŋŋ, ni hulutsoo ni baa shi fioo lɛ hu nyɛɛɛ atsu nii jogbaŋŋ.
2. EPDM
Nɔ ni he hiaa fe fɛɛ yɛ EPDM he ji bɔ ni enyɛɔ eshiɔ oksideshin, ozone kɛ ŋmeii ni efiteɔ lɛ. Akɛni EPDM fata polyolefin weku lɛ he hewɔ lɛ, eyɛ vulcanization su ni hi jogbaŋŋ.
3. PTFE
PTFE lɛ yɛ tsofai ni teɔ shi ewoɔ tsofai ni mli wa, ni nyɛɔ eshiɔ fɔ kɛ nibii ni haa nu mli tseɔ babaoo (bɛja ketones kɛ esters), kɔɔyɔŋ tsakemɔi kpakpai kɛ ozone ni nyɛɔ eshiɔ, shi fɛ̃i ni nyɛɔ eshiɔ lɛ ehiii kwraa.
4. Dade ni akɛwo mli
Kaadi: Akɛ dade ni akɛwo mli lɛ tsuɔ nii kɛhaa nu, gas kɛ mu media ni hulutsoo be ji≤100°C kɛ nɔnyɛɛ bibioo ko ni ji≤1.6mpa.
5. Nickel ni akɛfee tsɔne
Kaadi: Akɛ nickel-ni akɛfee nibii ni akɛfee paipii ni mlidɔɔ ji -70~150°C kɛ tsɔne he nitsumɔ mli nɔnyɛɛ PN≤20.5mpa.
6. Akɔɔble ni akɛfee ekome
Akɔɔble aloi yɛ hewalɛ ni hi kɛha nu kɛ lasu paipii ni mli edɔ≤200°Ckɛ nɔnyɛɛ ni ji gbɛi PN≤1.6mpa.
Be ni akɛmajeɔ: Alemle-02-2022
