Dɛn nti na wobetumi abue bɔɔl valve ahorow na wɔato mu ntɛmntɛm?

Nea enti a ɛte saabɔɔl a wɔde bɔ bɔɔlbetumi anya atoro a wobue ne nea wɔto mu ntɛmntɛm wɔ wɔn mfiri nhyehyɛe soronko ne nsu mu ahoɔden nhyehyɛe mu. Ade a ɛbue ne nea ɛto mu no yɛ kurukuruwa a ɛwɔ tokuru a ɛfa mu kurukuruwa, a wobetumi de valve dua no aka no ma ɛkyinkyini digrii 90 atwa n’ankasa axis ho ahyia de awie tebea switch no - bere a kurukuruwa no through-hole no ne pipeline axis no hyia a, valve no abue koraa Sɛ wɔdannan no digrii 90 wie a, tokuru a ɛfa mu no gyina hɔ ma nsu afiri no na wɔato valve no mu koraa. Saa "quarter turn" nhyehyɛe yi ma adeyɛ a wobue ne nea wɔde to mu no yɛ mmerɛw ma ɛbɛyɛ nea ɛkyinkyini wɔ wimhyɛn biako mu, na ɛma adwumayɛ kwan no yɛ tiaa kɛse.

Sɛ yɛhwɛ mfiri nhyehyɛe a, bɔɔl abɔɔl valvefa "line contact" anaa "surface contact" nsɔano kwan a ɛne valve nkongua no. Sɛ yɛfa bɔɔl valve a ɛsensɛn nsuo mu sɛ nhwɛsoɔ a, bɔɔl no bɛkɔ outlet valve seat no so wɔ medium no nhyɛsoɔ ase, ayɛ self tight seal na ɛbɛtew frictional resistance so bere a wɔrebue na wɔato mu Wɔde bearing ahorow a ɛwɔ soro ne ase valve no dua no gyina bɔɔl valve a ɛyɛ pintinn no akyi, ma enti nea ehia ara ne sɛ bɔɔl no bedi tumi ketewaa a ɛbɔ valve no nkongua ne bɔɔl no ntam no so nkonim bere a ɛredi akɔneaba no. Saa nhyehyɛe yi ma ɛkame ayɛ sɛ nsu a ɛko tia bere a ɛredi akɔneaba no nnya kurukuruwa no so nkɛntɛnso, titiriw ma ɛfata ma tebea horow a nhyɛso kɛse wom. Sɛ nhwɛso no, wɔ petrochemical adwumayɛ mu no, DN300 pneumatic ball valves tumi bue na ɛto mu awie wɔ sikɔne 0.5 mu, ntɛmntɛm sen gate valve anaa globe valve a ɛhwehwɛ sɛ wɔdannan no mpɛn pii.

Nsuo mu ahoɔden su no kɔ so ma mmuaeɛ ntɛmntɛm tumi a ɛwɔbɔɔl valve. Nsuo kwan a ɛwɔ full bore ball valve no mu no ne nsuo afiri no mu ntwemu hyia koraa, na ɛkame ayɛ sɛ nhyɛsoɔ biara nkɔ fam bere a nsuo no fa mu no. Resistance foforo biara rensi esiane inertia a ɛwɔ medium no mu bere a wɔrebue na wɔreto mu nti. Nea ɛne eyi bɔ abira no, ebia ntontom valve no diski no besiw nsu a ɛsen no bi kwan bere a ɛredi akɔneaba no, na ama nsu no akɔ akyi wɔ diski no so na aka ahoɔhare a ɛbue ne nea ɛto mu no; Ɛsɛ sɛ wɔma aponkɛse no pon no so na wɔma ɛba fam tẽẽ, na wɔde bɔ tenten na ɛnyɛ den sɛ aduru no mu nsu a ɛyɛ den no bɛka no. Nsɔhwɛ mu nsɛm kyerɛ sɛ wɔ DN200 nsuo afiri mu no, berɛ a wɔde bue na wɔto ball valves mu no yɛ tiawa 40% sene butterfly valves a ɛwɔ nkyerɛkyerɛmu korɔ no ara mu na ɛyɛ tiaa 70% sene gate valves no.

Nea ɛka ho no, ɔkwan a wɔfa so ka bɔɔl no nso ma ɛboa ma ebue ntɛmntɛm na ɛto mu. Mframa, anyinam ahoɔden, anaa nsu a wɔde yɛ adwuma betumi ama ahoɔden kɛse aba ntɛm ara, na ama kurukuruwa no awie digrii 90 a ɛkyinkyini wɔ sikɔne 0.1 mu. Sɛ nhwɛso no, wɔ abɔde mu mframa a wɔde tow ntɛmpɛ mu no, mframa a wɔde bɔ bɔɔl betumi atwa mframa no mu wɔ sikɔne 0.3 mu denam anyinam ahoɔden nsɛnkyerɛnne a ebegye so, na asiw akwanhyia ano yiye. Saa "millisecond level" mmuae tumi yi yɛ nea atetesɛm nsaano valve ahorow no nsɛ.