So wobetumi de globe valve ne gate valve afra?

Globe valves, gate valves, butterfly valves, check valves ne ball valves nyinaa yɛ nneɛma a ɛho nhia a wɔde di dwuma wɔ piping nhyehyɛe ahorow mu nnɛ. Valve biara yɛ soronko wɔ sɛnea ɛte, sɛnea wɔahyehyɛ ne sɛnea wɔde di dwuma mpo mu. Nanso, globe valve ne gate valve no wɔ nsɛdi bi wɔ ne hwɛbea mu, na bere koro no ara mu no, ɛwɔ adwuma a ɛne sɛ wobetwitwa wɔ nsu afiri no mu, enti nnamfo pii bɛba a wɔne valve no nni nkitahodi pii a ɛbɛma abien no ayɛ basaa. Nokwarem no, sɛ wohwɛ no yiye a, nsonsonoe a ɛda globe valve ne gate valve ntam no da so ara yɛ kɛse koraa.

• Nhyehyɛeɛ

Sɛ ɛba sɛ baabi a wɔde besisi no sua a, ɛho hia sɛ wohwɛ sɛnea wɔpaw:

Wobetumi de apon no valve no atoto mu denneennen ne sealing surface no denam ahotoso a wɔde bɛto nhyɛso a ɛwɔ mfinimfini no so, sɛnea ɛbɛyɛ a wobenya nkɛntɛnso a ɛne sɛ nsu biara nkɔ mu. Sɛ wobue na wɔto mu a, valve spool ne valve seat sealing surface no di nkitaho bere nyinaa na wɔde petepete wɔn ho wɔn ho so, enti ɛnyɛ den sɛ wɔbɛhyɛ sealing no so, na sɛ gate valve no bɛn sɛ wɔbɛto mu a, nhyɛso nsonsonoe a ɛda pipeline no anim ne akyi ntam no yɛ kɛse yiye, na ɛma sealing surface no sɛe kɛse.

Gate valve no nhyehyeɛ bɛyɛ den asen globe valve no, sɛ yɛhwɛ sɛnea ɛte no a, wɔ caliber koro no ara mu no, gate valve no korɔn sen globe valve no, na globe valve no tenten sen gate valve no. Nea ɛka ho no, wɔakyekyɛ apon ano valve no mu ayɛ no abaa a ɛhyerɛn ne poma a ɛyɛ tumm. Globe valve no nyɛ saa.

• Adwuma

Sɛ wobue globe valve no na wɔto mu a, ɛyɛ dua a ɛrekɔ soro, kyerɛ sɛ, wɔdannan nsa ntwahonan no, na nsa ntwahonan no bɛyɛ nea ɛkyinkyini ne nea ɛma so ka valve dua no ho. Ɛsɛ sɛ aponkɛse no dannan nsa ntwahonan no, sɛnea ɛbɛyɛ a dua no bɛyɛ ade a ɛma nneɛma so, na nsa ntwahonan no ankasa gyinabea nsakra.

Nsu a ɛsen no gu ahorow, na ɛho hia sɛ wɔto apon ano valve ahorow mu koraa anaasɛ wɔto mu koraa, bere a globe valve ahorow no nhia. Globe valve no wɔ ɔkwan pɔtee a wɔfa so kɔ mu ne nea ɛkɔ mu, na gate valve no nni ahwehwɛde biara a ɛfa ɔkwan a wɔfa so de ba ne nea wɔde kɔ amannɔne ho.

Afei nso, apon no valve no bue koraa anaasɛ wɔato mu koraa wɔ tebea abien mu nkutoo, apon no bue ne nea wɔto mu wɔ stroke no mu no yɛ kɛse yiye, bere a wobue ne nea wɔto mu no ware. Globe valve no valve plate kankyee stroke no sua koraa, na globe valve no valve plate no tumi gyina beae pɔtee bi a ɛretu ma nsu a ɛsen no mu nsakrae. Wobetumi de gate valve no adi dwuma ama truncation nkutoo na enni adwuma foforo biara.

• Mmɔdemmɔ

Wobetumi de globe valve no adi dwuma ama truncation ne flow regulation. Nsu a ɛko tia globe valve no yɛ kɛse kakra, na ɛyɛ adwumaden kɛse sɛ wobebue na wɔato mu, nanso esiane sɛ valve mprɛte no yɛ tiaa fi nsɔano no so nti, nea wobue ne nea ɛto mu no yɛ tiaa.

Esiane sɛ aponkɛse no mu valve no betumi abue koraa na wɔato mu koraa nkutoo nti, sɛ wobue no koraa a, ɛkame ayɛ sɛ medium flow a ɛwɔ valve nipadua kwan no mu no gyina ano yɛ 0, enti gate valve no a wobebue na wɔato mu no bɛyɛ adwumaden kɛse, nanso apon no mprɛte no ne nsɔano no ntam kwan ware, na bere a wɔde bue na wɔto mu no ware.

• Installation ne flow akwankyerɛ

Nkɛntɛnso a aponkɛse no mu valve a ɛsen kɔ afã abien no nyinaa nya no yɛ pɛ, na ahwehwɛde biara nni hɔ a ɛfa ɔkwan a wɔfa so kɔ mu ne nea efi mu ba a wɔde besisi hɔ no ho, na medium no betumi asen akɔ afã abien no nyinaa. Ɛsɛ sɛ wɔde globe valve no si hɔ ma ɛne akwankyerɛ a wɔde kyerɛ valve nipadua no agyan no hyia pɛpɛɛpɛ, na nhyehyɛe a emu da hɔ wɔ hɔ a ɛfa ɔkwan a wɔfa so de globe valve no ba na wɔde kɔ amannɔne no ho, na ɔkwan a globe valve no fa so sen “abiɛsa kɔ” wɔ China no fi soro kosi ase.

Globe valve no ba fam na ɛkɔ soro, na sɛ wufi akyi a, paipu ahorow a ɛda adi pefee a enni phase level so wɔ hɔ. Gate valve runner no wɔ line a ɛda fam so. Gate valve no stroke sõ sen globe valve no stroke.

Sɛ yɛhwɛ sɛnea ɛko tia nsu a ɛsen no a, nsu a ɛsen a ɛko tia aponkɛse no valve no sua bere a abue koraa no, na nsu a ɛsen a ɛko tia adesoa gyinabea valve no yɛ kɛse. Flow resistance coefficient a ordinary gate valve yɛ bɛyɛ 0.08 ~ 0.12, bue ne to mu tumi yɛ ketewa, na medium betumi asen kɔ akwan abien. Nsuo a ɛko tia a ɛwɔ afiri a wɔde to mu a ɛyɛ mpapahwekwa mu no yɛ mmɔho 3-5 a ɛko tia apon a wɔde to mu no mmɔho 3-5. Sɛ wobue na wɔto mu a, ɛho hia sɛ wɔhyɛ tow no na ama wɔanya nsɔano no, valve spool a globe valve no ne nsɔano no di nkitaho nkutoo bere a wɔato mu koraa, enti nsɔano no ani a ɛho asɛe no sua koraa, efisɛ ahoɔden titiriw no nsu a ɛsen no hia sɛ wɔde actuator no ka ho Ɛsɛ sɛ globe valve no hwɛ torque control mechanism adjustment no.

Globe valve no wɔ akwan abien a wɔfa so de si hɔ, biako ne sɛ medium no betumi afi valve spool no ase akɔ mu, mfaso a ɛwɔ so ne sɛ sɛ wɔato valve no mu a, packing no nni nhyɛso ase, wobetumi atrɛw packing no som nkwa nna mu, na adwuma a wɔde besi packing no ananmu no betumi ayɛ wɔ nhyɛso ase wɔ pipeline a ɛwɔ valve no anim no mu ɔhaw no ne sɛ torque a ɛkanyan valve no yɛ kɛse, a ɛyɛ bɛyɛ mmɔho 1 sen nea ɛsen a ɛwɔ soro no, na axial ahoɔden a ɛwɔ valve no dua no mu no yɛ kɛse, na ɛnyɛ den sɛ wɔbɛkotow valve no dua no.

Enti, mpɛn pii no, saa kwan yi fata ma globe valve a ne kɛse yɛ nketewa (DN50 anaa nea ennu saa) nkutoo, na wɔpaw globe valve a ɛboro DN200 no ma ɔkwan a nsɛm ho amanneɛbɔfo fa so sen fi soro ba mu. (Mpɛn pii no, anyinam ahoɔden a wɔde to mu no de afiri no di dwuma de fi soro hyɛn mu.) Mfomso a ɛwɔ ɔkwan a fa so hyɛn mu no fi soro no ne ɔkwan a wɔfa so hyɛn ase no bɔ abira pɛpɛɛpɛ.

• Nsɔano a wɔde hyɛ mu

Nsɔano ani a globe valve no yɛ trapezoidal fã ketewa bi a ɛwɔ valve core (titiriw hwɛ sɛnea valve core no nsusuwii), sɛ valve core no hwe ase pɛ a, ɛne valve no to mu yɛ pɛ (sɛ nhyɛso nsonsonoe no yɛ kɛse a, nokwarem no, shutdown no nyɛ katee, nanso reverse effect no nyɛ bɔne), gate valve no sealed wɔ afã a valve core gate plate, sealing effect no nyɛ papa te sɛ globe valve no, na valve core no renhwe ase te sɛ globe valve no.