Dɛn ne nea wogyina so nya ball valve sealing?

Nsɔano a wɔdebɔɔl a wɔde bɔ bɔɔltitiriw gyina sɛnea bɔɔl no ne valve nkongua no ntam a ɛyɛ den no so. Nsɔano nnyinasosɛm ne ɔkwan a wɔfa so de di dwuma no te sɛ nea edidi so yi:

Nsɔano nhyehyɛe a ɛwɔ abɔɔl valvedi akɔneaba wɔ sɛnea wɔayɛ sɛnea bɔɔl no ne valve nkongua no ntam no ho. Sɛ bɔɔl no valve no wɔ tebea a wɔato mu a, bɔɔl no tokuru a ɛfa mu no gyina hɔ ma valve no nipadua no ano abien no nyinaa mfinimfini, na bɔɔl no ani ne valve no nkongua no ani a ɛkata so no di nkitaho kɛse ma ɛyɛ akwanside a ɛsɔ ano, na ɛmma nsu a ɛtwetwe wɔ mfinimfini no nkɔ. Sɛnea nneɛma ahorow a wɔde hyɛ mu kyerɛ no, wobetumi akyekyɛ bɔɔl valve ahorow mu abien: nsɔano a ɛyɛ den ne nsɔano a ɛyɛ mmerɛw. Hard seal ball valves de dade (te sɛ stainless steel, hard alloy) di dwuma sɛ sealing surface ade, na wonya sealing denam mfiri compression anaa spring loading a ɛda dade ntam so. Wɔfata ma ɔhyew a ɛkɔ soro, nhyɛso a ɛkɔ soro, ne nsɛm ho amanneɛbɔ a ɛyɛ hyew kɛse; Wɔde nneɛma a ɛyɛ den te sɛ rɔba ne polytetrafluoroethylene (PTFE) na ɛyɛ bɔɔl valve a wɔatoto mu a ɛyɛ mmerɛw, a ɛde nhyɛso a emu yɛ den di dwuma de ma nneɛma a ɛyɛ mmerɛw no yɛ mmerɛw, na ɛnam so bata bɔɔl no ani denneennen ma ɛyɛ nsɔano. Wɔyɛ adwuma yiye wɔ nhyɛso a ɛba fam ne dan mu hyew tebea horow mu.

Nsɔano adwumayɛ abɔɔl a wɔde bɔ bɔɔlnneɛma pii na ɛka no. Sɛnea nneɛma a wɔde kata so no yɛ den, ɛrentumi nsɛe, ne sɛnea ɛko tia nsɛe no nya nsɔano nkwa nna so nkɛntɛnso tẽẽ. Sɛ nhwɛso no, ɛsɛ sɛ wɔma dade a wɔde kata so no ani a ɛyɛ den no tu mpɔn denam akwan horow te sɛ aduru a ɛyɛ den a wɔde petepete so anaasɛ laser cladding so; Wɔ dwumadie a ɛyɛ pɛpɛɛpɛ ho no, ɛhia sɛ wɔdi parameters te sɛ sphere roundness ne sealing surface roughness so yie, na sealing surface roughness Ra boɔ no taa hwehwɛ sɛ ɛyɛ ≤ 0.8 μ m; Assembly quality nso ho hia saa ara, preload ahoɔden a wɔmfa nni dwuma yiye no betumi ama nsɔano no ani asɛe dodo anaasɛ ɛbɛtɔ. Bio nso, nsunsuansoɔ a ɛwɔ aduru no mu (te sɛ nea ɛyɛ nwura, ɛhyeɛ, nhyɛsoɔ) ne dwumadie tebea (te sɛ ahoɔhare a ɛbue ne nea wɔto mu) nso tumi nya nkɛntɛnsoɔ kɛseɛ wɔ nkɛntɛnsoɔ a ɛwɔ nsɔano no so.

Sɛnea ɛbɛyɛ a bɔɔl valve no bɛkɔ so ayɛ nsɔano adwuma no, ɛho hia sɛ wɔtaa hwɛ sɛnea nsɔano no ani asɛe, tew efĩ ho wɔ bere a ɛsɛ mu na amma ansɛe, na wɔde srade gu afã horow a ɛretu te sɛ valve no dua no so. Sɛ wɔpaw nsɔano nhyehyɛe ne nneɛma a ɛfata ma adwumayɛ tebea ahorow, te sɛ dade a ɛyɛ den nsɔano bɔɔl valves a wɔde bedi dwuma ama mmeae a ɛhɔ yɛ hyew kɛse ne fluorine anaa ceramic coating sealing surfaces ma corrosive media, betumi atrɛw ball valves som nkwa nna mu yiye na ahwɛ ahu sɛ wotumi de ho to sealing so.