Wɔayɛ novalveɛsɛ sɛ s kɔ adwumayɛ ho sɔhwɛ ahorow mu, a nea ɛho hia sen biara ne nhyɛso sɔhwɛ. Nhyɛsoɔ sɔhwɛ ne sɛ wɔbɛsɔ ahwɛ sɛ nhyɛsoɔ boɔ a valve no tumi gyina ano no di ahwehwɛdeɛ a ɛwɔ mmara a ɛfa nneɛma a wɔyɛ ho no ho dwuma anaa.Wɔ TWS mu no, na...ntontom valve a ɔte ase a ɛyɛ mmerɛw, ɛsɛ sɛ wɔde kɔ nhyɛso kɛse nkongua tightness sɔhwɛ. Wɔde nhyɛsoɔ a wɔakyerɛ wɔ PN mpɛn 1.5 mu no bɛgu nsuo a wɔde sɔ hwɛ no so.
Nsɛmfua atitiriw1 .Nhyɛso Sɔhwɛ;Nwansena Valve a Ɔte Ase a Ɛyɛ Dwo; Nhyɛso Seat Tightness Sɔhwɛ
Mpɛn pii no, nhyɛso sɔhwɛ avalve ahorow a wɔde yɛ adwumaɛsɛ sɛ wodi nnyinasosɛm ne ahwɛyiye a edidi so yi so:
(1) Mpɛn pii no, wɔvalveno nhyɛ ahoɔden sɔhwɛ ase, na mmomvalvenipadua ne bonnet akyi asiesie anaasɛ thevalveɛsɛ sɛ wɔsɔ nipadua ne bonnet a nsɛe asɛe no hwɛ sɛ ɛyɛ den anaa. Wɔ ahobanbɔ valve no ho no, ne nhyɛsoɔ a ɛkɔ so daa, nhyɛsoɔ a ɛsan kɔ so ne sɔhwɛ foforɔ no ɛsɛ sɛ ɛne n’akwankyerɛ ne mmara a ɛfa ho no nkyerɛkyerɛmu hyia.
(2) Ɛsɛ sɛ wɔyɛ ahoɔden ne tightness sɔhwɛ no ansa na...valveno ahyɛ mu. Wɔahwɛ 20% wɔ low-pressure valves no mu spot-check, na ɛsɛ sɛ wɔhwɛ 100% sɛ ɛnyɛ nea ɛfata a; Ɛsɛ sɛ wɔhwɛ 100% a ɛwɔ medium ne high-pressure valves no mu.
(3) Bere a wɔreyɛ sɔhwɛ no, gyinabea a wɔde besisi hɔ novalveɛsɛ sɛ ɛkɔ ɔkwan a ɛnyɛ den sɛ wɔbɛhwehwɛ mu no so.
(4) Efisɛvalve ahorow a wɔde yɛ adwumawɔ welded nkitahodi ahorow mu no, sɛ wontumi mfa anifuraefo mprɛte nhyɛso sɔhwɛ no nni dwuma a, wobetumi de conical nsɔano anaa O-ring nsɔano no adi dwuma ama nhyɛso sɔhwɛ. (5) Yi valve mframa no fi mu sɛnea wubetumi biara bere a wɔreyɛ hydraulic sɔhwɛ no.
(6) Ɛsɛ sɛ wɔma nhyɛso no kɔ soro nkakrankakra bere a wɔreyɛ sɔhwɛ no, na wɔmma kwan mma wɔmfa nhyɛso a ano yɛ nnam na ɛyɛ mpofirim.
(7) Bere tenten a ahoɔden sɔhwɛ ne nsɔano type sɔhwɛ no yɛ mpɛn pii no simma 2-3, na ɛsɛ sɛ valve ahorow a ɛho hia na ɛyɛ soronko no di simma 5. Bere a wɔde sɔ valve ahorow a ne kɛse yɛ nketewa hwɛ no betumi ayɛ tiaa sɛnea ɛfata, na bere a wɔde sɔ valve ahorow a ne kɛse yɛ kɛse hwɛ no betumi ayɛ tenten sɛnea ɛne no hyia. Wɔ sɔhwɛ no mu no, sɛ w’adwene mu yɛ wo naa a, wobetumi atrɛw sɔhwɛ bere no mu. Wɔ ahoɔden sɔhwɛ mu no, fifiri anaasɛ nsu a ɛretu wɔvalvenipadua ne bonnet ho kwan. Wɔyɛ nsɔano sɔhwɛ no pɛnkoro pɛ ma obiaravalve ahorow a wɔde yɛ adwuma, ne mprenu ma ahobammɔ valve ahorow, nhyɛso kɛsevalve ahorow a wɔde yɛ adwumane afoforo a ɛho hiavalve ahorow a wɔde yɛ adwuma. Wɔ sɔhwɛ no mu no, wɔma kwan ma nsuo a ɛtwetwe kakraa bi ma nsuo a ɛtwetwe nsuo a ɛho nhia a nhyɛsoɔ sua na ne kɛseɛ yɛ kɛseɛ ne valve a ɛwɔ mmara a ɛbɛma nsuo akɔ mu; ɛnam ahwehwɛdeɛ ahodoɔ a ɛwɔ hɔ ma general valves, power station valves, marine valves ne valves foforɔ nti, ɛsɛ sɛ leakage ahwehwɛdeɛ no yɛ sɛdeɛ ɛdidi soɔ yi: Yɛ adwuma sɛdeɛ mmara a ɛfa ho teɛ.
(8) Wɔnhyɛ throttle valve no tightness sɔhwɛ a ɛwɔ ɔfã a ɛto mu no ase, nanso ɛsɛ sɛ wɔyɛ ahoɔden sɔhwɛ ne tightness sɔhwɛ a ɛwɔ packing ne gasket no mu. (9) Wɔ nhyɛso sɔhwɛ no mu no, wɔma tumi a wɔde to valve no mu no mu denam onipa biako nipadua mu ahoɔden a ɛfata nkutoo so; wɔmma kwan sɛ wɔde nnwinnade te sɛ levers (gye torque wrench) mfa ahoɔden nni dwuma. Sɛ nsa ntwahonan no ntwemu boro anaasɛ ɛyɛ pɛ 320mm a, wɔma nnipa baanu kwan ma wɔbom yɛ adwuma. a wɔde to mu.
(10) Wɔ valve ahorow a ɛwɔ soro nsɔano ho no, ɛsɛ sɛ woyi nneɛma a wɔde ahyɛ mu no ma wɔsɔ hwɛ sɛnea ɛyɛ den. Sɛ wɔto soro nsɔano no mu wie a, hwɛ sɛ nsuo retu anaa. Sɛ wode gas redi dwuma sɛ sɔhwɛ a, fa nsu a ɛwɔ adaka a wɔde nneɛma gu mu no mu hwɛ. Sɛ woreyɛ packing tightness test a, wɔmma soro nsɔano no nkɔ baabi a ɛyɛ den no.
(11) Wɔ valve biara a ɛwɔ afiri a wɔde ka kar ho no, sɛ wɔresɔ sɛnea ɛyɛ den ahwɛ a, ɛsɛ sɛ wɔde afiri a wɔde ka kar no to valve no mu na wɔyɛ sɛnea ɛyɛ den ho sɔhwɛ no. Wɔ afiri a wɔde nsa ka no ho no, ɛsɛ sɛ wɔyɛ valve a wɔde nsa to mu no nsɔano sɔhwɛ nso.
(12) Wɔ ahoɔden sɔhwɛ ne tightness sɔhwɛ akyi no, ɛsɛ sɛ wɔsɔ bypass valve a wɔde ahyɛ valve titiriw no so no hwɛ sɛ ahoɔden ne tightness wɔ valve titiriw no so; sɛ wobue valve titiriw no fã a ɛto mu no a, ɛsɛ sɛ wobue no nso sɛnea ɛfata.
(13) Bere a woresɔ dade a wɔde ayɛ valve ahorow ahoɔden ahwɛ no, fa kɔbere dɔn bɔ valve nipadua ne valve no kataso no so na hwɛ sɛ nsu a ɛretu anaa.
(14) Sɛ wɔsɔ valve no hwɛ a, gye plug valve ahorow a ɛma wotumi de ngo gu ade a wɔde ahyɛ mu no so a, wɔmma valve afoforo kwan sɛ wɔmfa ngo nsɔ nea wɔde ahyɛ mu no nhwɛ.
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(16) Sɛ wɔwie nhyɛsoɔ sɔhwɛ a ɛwɔ valve no mu a, ɛsɛ sɛ wɔyi nsuo a aboaboa ano wɔ valve no mu no wɔ berɛ mu na wɔpopa, na wɔyɛ sɔhwɛ ho kyerɛwtohɔ nso.
In TWS Valve a ɛwɔ hɔ, ɛfa yɛn ade titiriw, ɔkɔre valve a ɔte ase a ɛyɛ mmerɛw no ho no, ɛsɛ sɛ wɔde kɔ nhyɛso kɛse nkongua tightness sɔhwɛ. Na sɔhwɛ ade no yɛ nsu anaa gas, na sɔhwɛ ade no hyew yɛ 5 ntam°C~40°C.
Na sɔhwɛ a edidi so yi ne tightness of shell ne valve adwumayɛ.
Ne botae ne sɛ sɔhwɛ no bɛsi so dua sɛ leak tightness a ɛwɔ shell no mu ka ho ne operating mechanism sealing tia emu nhyɛsoɔ.
Wɔ sɔhwɛ nhyehyɛe no mu no, ɛsɛ sɛ yɛhyɛ no nsow sɛ sɔhwɛ nsu no bɛyɛ nsu.
Na ɛsɛ sɛ valve no disc no wɔ gyinabea a ɛbue fã bi.Wɔbɛkata valve no awiei nkitahodi ahorow no so na wɔde sɔhwɛ nsu no ahyɛ abura no nyinaa ma. Wɔde nhyɛsoɔ a wɔakyerɛ wɔ PN mpɛn 1.5 mu no bɛgu nsuo a wɔde sɔ hwɛ no so.
Bere a wɔde bɛkyerɛw: Apr-23-2023
