Sɛ́ ade titiriw a ɛyɛ adwuma wɔ nsu sohwɛ mfiri mu no, valve nsa ntwahonan no su ne ahotoso, ahobammɔ ne adwumayɛ nkwa nna a ɛwɔ valve nhyehyɛe ahorow mu no wɔ abusuabɔ tẽẽ. Ɛnam sɛ wiase nyinaa mfiridwuma gyinapɛn nhyehyɛe no reyɛ ntɛmntɛm nti, gyinapɛn ahorow a ɛkyerɛ sɛ ɛyɛ papa novalve nsa ntwahonanabɛyɛ ade titiriw a ɛbɛma wɔn a wɔyɛ nneɛma no akɔ amanaman ntam gua so na wɔama wɔn akansi no ayɛ kɛse. Saa asɛm yi hwehwɛ nhyehyɛe a ɛma adansedi nhyehyɛe a ɛwɔ valve nsa ntwahonan mu no mu fi amanaman ntam gyinapɛn ahorow, nnwuma mu nsɛm, nneɛma a ɛwɔ mu, akwan a wɔfa so yɛ nneɛma ne akwan a wɔfa so sɔ hwɛ no nsusuwii mu, na ɛde tumi krataa a wɔde gyina so ma nnwuma mu adwumayɛfo.
Nsɛm a ɛwɔ mu
1. Amanaman ntam adansedi gyinapɛn ahorow a ɛwɔ hɔ nyinaa
(1) ISO nhyehyɛe a wɔde hwɛ nneɛma pa so
(2) API petroleum adwumayɛbea no ho nsɛm
(3) CE EU akwankyerɛ adansedi krataa
2. Nnwuma-adansedi ahwehwɛde pɔtee
(1) Nuklea ahoɔden ne nnuruyɛ adwumayɛbea gyinapɛn ahorow
(2) Ogya ahobammɔ ho adansedi krataa
3. Nneɛma ne adeyɛ nhyehyɛe gyinapɛn ahorow
4. Nneɛma atitiriw a wɔde sɔ adwumayɛ hwɛ
5. Mpɔtam hɔ gua so kwan a wɔfa so nya gyinapɛn ahorow
6. Daakye nkɔso ho nsɛm ne nyansahyɛ ahorow
1. Amanaman ntam adansedi gyinapɛn ahorow a ɛwɔ hɔ nyinaa
(1) ISO 9001 su pa sohwɛ nhyehyɛe adansedi
Sɛ́ Amanaman Ntam Ahyehyɛde a Ɛhwɛ Gyinapɛn So (ISO) no adansedi titiriw no, ISO 9001 hwehwɛ sɛ nnwumakuw hyehyɛ nhyehyɛe a edi mũ-adwuma a wɔyɛ no yiye fi nneɛma a wɔde yɛ nneɛma a wɔtɔ so kosi nneɛma a wɔawie a wɔde bɛma so. Wɔ valve nsa ntwahonan ho no, ɛsɛ sɛ wɔde wɔn adwene si nneɛma a edidi so yi so:
Nneɛma a wɔde hwehwɛ nneɛma mu: kyerɛw nea ɔde ma no ahwehwɛde ne batch ho nsɛm a ɛfa dade, dade a wɔagu anaa mfiridwuma ho plastic a wɔde yɛ nsa ntwahonan no ho.
Adeyɛ a ɛkɔ so pɛpɛɛpɛ: Ɛsɛ sɛ casting, forging, machining ne akwan afoforo di ISO 2768 (general tolerance standard) ne ISO 1217 (compressor test specification) so.
(2) API adansedi nhyehyɛe
Amerika Petroleum Asoɛe (API) gyinapɛn ahorow no wɔ tumi wɔ petrol ne gas adwumayɛbea. Adansedi ahorow a ɛfa ho no bi ne:
API 609: Ɛfa dimensional tolerance ne operating torque ahwehwɛdeɛ a ɛwɔ butterfly valve handwheels ho no, wɔahyɛ sɛ ɛsɛ sɛ handwheel diameter ne valve stem matching accuracy du ±0.05mm.
API 607: Ogya sɔhwɛ gyinapɛn, a ɛhwehwɛ sɛ nsa ntwahonan no tra ogyaframa a ɛyɛ digrii 650 mu simma 30 a entumi nhwɛ sɛ adwuma a ɛbɛma wɔadum ntɛm no.
(3) CE adansedi krataa (EU akwankyerɛ) .
Ɛsɛ sɛ valve nsa ntwahonan a ɛrehyɛn Europa gua so no twa akwankyerɛ nhwehwɛmu a edidi so yi mu:
Machinery Directive 2006/42/EC: Hwɛ sɛnea nsa ntwahonan no yɛ ergonomic design, te sɛ grip force Ennu anaa ɛne 50N yɛ pɛ, edge chamfer radius Kɛseɛ anaa ɛyɛ pɛ 1mm na amma adwumayɛfoɔ no antwitwa.
Pressure Equipment Directive PED 2014/68/EU: Wɔ pressure-bearing valve handwheels ho no, ɛho hia sɛ wɔyɛ burst pressure test (mpɛn pii no ɛyɛ adwumayɛ nhyɛsoɔ mmɔho 1.5).
2. Nnwuma-adansedi ahwehwɛde pɔtee
(1) Nuklea ahoɔden afuw: ASME III gyinapɛn
Ɛsɛ sɛ nuklea-grade valve nsa ntwahonan di Amerika Mfiridwumayɛfo Kuw (ASME) Po III ahwehwɛde ahorow a emu yɛ den ho dwuma:
Nneɛma a ɛko tia mframa: Wɔde 316LN dade a ɛnyɛ den na edi dwuma, na ɛsɛ sɛ nkɛntɛnso a ɛyɛ den wɔ neutron mframa akyi no yɛ Kɛse sen anaasɛ ɛne 41J8 yɛ pɛ.
Seismic sɔhwɛ: Twa IEEE 344 gyinapɛn no mu de yɛ nhyehyɛe no mudi mu kura ho mfonini wɔ SSE (safe shutdown earthquake) tebea horow mu.
(2) Nnuruyɛ adwuma: SIL ahobammɔ gyinabea adansedi
Sɛnea IEC 61508 gyinapɛn kyerɛ no, ɛsɛ sɛ nsa ntwahonan no du SIL 2 anaa nea ɛboro saa wɔ ahobammɔ nnwinnade nhyehyɛe no mu, a huammɔdi dodow a ennu anaasɛ ɛne 10^-6/h yɛ pɛ na ɛtwam HALT (nkwa sɔhwɛ a ɛyɛ ntɛmntɛm kɛse) ho adansedi.
3. Nneɛma ne adeyɛ nhyehyɛe gyinapɛn ahorow
(1) Dade nneɛma ho nkyerɛkyerɛmu
ASTM A216/A351: kyerɛ nnuru a ɛwɔ mu (te sɛ C<=0.25%) ne ɔhyew ayaresa kwan (normalizing + tempering) a ɛwɔ carbon steel ne stainless steel nsa ntwahonan mu.
GB/T 1220: China ɔman gyinapɛn hwehwɛ sɛ intergranular corrosion sɔhwɛ a ɛfa austenitic dade a ɛnyɛ den nsa ntwahonan ho no twa sulfuric acid-kɔbere sulfate kwan no so.
(2) Nneɛma a ɛnyɛ-dade a wɔhwehwɛ
FDA 21 CFR: Aduan-grade nsa ntwahonan de PTFE anaa EPDM di dwuma, na ɛsɛ sɛ atutra dodow no yɛ<0.01mg/dm².
(3) Nneɛma a wɔyɛ ho nhyehyɛe a wɔhwɛ so
Precision casting: kyerɛ ISO 8062-CT6 level, surface roughness Ra Ennu anaasɛ ɛne 12.5μm yɛ pɛ.
Welding nhyehyeɛ nhwehwɛmu: Wɔyɛ WPS/PQR adansedie sɛdeɛ ASME IX gyinapɛn teɛ de hwɛ sɛ ahoɔden a ɛwɔ nkitahodiɛ a ɛda valve dua ne nsa ntwahonan ntam no mu.
4. Nneɛma atitiriw a wɔde sɔ adwumayɛ hwɛ
(1) Mfiri ahoɔden sɔhwɛ
Torque durability: simulate 100,000 bue ne closing cycles, na ɛsɛ sɛ torque attenuation rate no nnu 5% (hwɛ API 6D).
Fracture toughness: twa Charpy V-notch sɔhwɛ no mu, na impact ahoɔden a ɛwɔ -46℃no yɛ Kɛse anaasɛ ɛne 27J yɛ pɛ (Amerika gyinapɛn ASME B16.34).
(2) Nsɔano a wɔde hyɛ mu nokwaredi a wɔde di dwuma
Helium mass spectrometer nsuo a ɛtwetwe a wɔhunu: nsuo a ɛtwetwe no dodoɔ a ɛnnu anaa ɛne 1×10^-6 mbar·L/s (ISO 15848-1 Class AH) yɛ pɛ.
5. Mpɔtam hɔ gua so kwan a wɔfa so nya gyinapɛn ahorow
(1) Amerikafo gyinapɛn API RP 591 adansedi krataa
Nneɛma a wɔde ma ho nhyehyɛe: Ɛsɛ sɛ wɔn a wɔde nneɛma ma a ɛto so abien-twam NAVIC akontaabu na wɔabara aboɔden abo a ɛne ntawntawdi.
Nneɛma titiriw a wɔde hwɛ: nea ɛka ho ne valve stem ne handwheel connection ahoɔden sɔhwɛ (adesoa Kɛse anaasɛ ɛne adwumayɛ tumi a ɛsen biara no mmɔho 2 yɛ pɛ).
(2) Russia kasa EAC adansedi krataa
ГОСТ 9544: hwehwɛ sɛ wɔsɔ nsa ntwahonan no hwɛ sɛ ɛbue na ɛto mu wɔ -60℃, a torque nkɔanim a ennu anaasɛ ɛne 20% yɛ pɛ.
6. Daakye nkɔso ho nsɛm ne nyansahyɛ ahorow
Adansedie a nyansa wom: Fa IoT sensor ahodoɔ a ɛbɛhwɛ nsa ntwahonan no tebea so wɔ berɛ ankasa mu sɛdeɛ ɛbɛyɛ a ɛbɛdi API 670 (mfiri ahobanbɔ nhyehyɛeɛ) gyinapɛn no so.
Carbon a ɛba fam-ahwehwɛdeɛ: EU Carbon Border Adjustment Mechanism (CBAM) hyɛ aluminium a wɔasan de adi dwuma (a wɔsan de di dwuma no dodoɔ a ɛboro anaa ɛyɛ pɛ 90%) a wɔde bedi dwuma wɔ nsa ntwahonan a wɔyɛ mu ho nkuran.
Tɔfabɔ
Adansedie nhyehyɛeɛ a ɛfa valve nsa ntwahonan ho no ayɛ multi-dimensional standard network a ɛkata nneɛma, akwan, adwumayɛ ne gua so. Ɛsɛ sɛ nnwumakuw paw adansedi kwan no sɛnea gua a wɔde wɔn ani asi so no te. Sɛ nhwɛso no, Europa ne Amerika gua ahorow no de wɔn adwene si API/CE adansedi so, ɛsɛ sɛ nuklea ahoɔden adwumayɛbea no di ASME III ho dwuma, na gua ahorow a ɛrenya nkɔso te sɛ Asia Kesee Fam Apuei no de nkakrankakra gye ISO ne mpɔtam hɔ gyinapɛn ahorow a wɔde afrafra nhyehyɛe. Ɛnam nhyehyɛe a edi mũ a wɔde di dwuma wɔ ɔkwan a ɛto so abiɛsa-adwumakuw a wɔsɔ hwɛ so no so no, wobetumi ama nneɛma a wɔdi so ne gua so akansi atu mpɔn kɛse.
FAQ
1: Dɛn ne valve nsa ntwahonan ahorow no din?
A1: Nneɛma pii wɔ hɔ a wonim no yiye wɔ gua so a wɔde valve nsa ntwahonan ma. Sɛ worepaw a, wubetumi asusuw din a ɛwɔ ahyɛnsode no mu ne sɛnea nneɛma no te ho.
2: Dɛn ne mmeae a wɔtaa de valve nsa ntwahonan di dwuma?
A2: Wɔde valve nsa ntwahonan di dwuma kɛse wɔ petrochemical, ahoɔden, nsuo a wɔde yɛ adwuma, nnuruyɛ, aduane ne anonneɛ ne nnwuma foforɔ mu.
3: Ɔkwan bɛn so na wɔkyekyere valve handwheel no?
A3: Mpɛn pii no wɔde gu nnua nnaka, nnaka anaa amanne kwan so nneɛma a ɛfata ma akyirikyiri-akwansin akwantu ne nneɛma a wɔkora so mu.
4: So wubetumi de valve nsa ntwahonan ho nhwɛsode ama?
A4: Yiw, wobetumi de nhwɛsode ahorow ama ama adetɔfo nhwehwɛmu ne sɔhwɛ.
Dɛn ne akyi{0}}adetɔn som nhyehyɛe ma valve nsa ntwahonan?
Fa -adetɔn akyi dwumadie a ɛkɔ akyiri ma, a nneɛma a wɔyɛ no yiedie, mfiridwuma mu mmoa ne ano aduru ka ho.
