A stopcock a wɔde gyina hɔvalve yɛ [1] valve a ɛfa mu tẽẽ a ɛbue na ɛto mu ntɛmntɛm, na wɔtaa de di dwuma nso ma media a ɛwɔ nneɛma nketenkete a ɛsensɛn hɔ esiane popa nkɛntɛnso a ɛba wɔ kankyee a ɛda screw seal no ani ne ahobammɔ a edi mũ a ɛmma ɛnka medium a ɛsen no ho bere a wɔabue koraa no nti. Ade foforo a ɛho hia ne sɛ ɛnyɛ den sɛ wobɛsakra akɔ adan a ɛwɔ akwan pii so, sɛnea ɛbɛyɛ a valve biako betumi anya nsu a ɛsen fa akwan horow abien, abiɛsa, anaa anan mpo. Eyi ma sɛnea wɔyɛ nsu afiri no yɛ mmerɛw, ɛtew valve dodow a wɔde di dwuma no so, na ɛtew nkitahodi a ɛho hia wɔ mfiri no mu no bi so.
Sɛnea ɛyɛ adwuma Valves nestopcock a wɔde gyina hɔnipadua a ɛwɔ ntokuru a ɛfa mu sɛ afã horow a wobue ne nea wɔto mu. Plɔg nipadua no ne [2] dua no di akɔneaba ma ɛyɛ adeyɛ a ɛbue ne nea ɛto mu. Wɔsan frɛ plug valve ketewa a wɔanhyehyɛ no sɛ “cocker”. Plɔg nipadua a ɛwɔ plug valve no mu dodow no ara yɛ cone (nipadua a ɛte sɛ cylindrical nso wɔ hɔ), a ɛne conical orifice surface a ɛwɔ valve nipadua no so no hyia ma ɛyɛ sealing pair. Plɔg valve no ne valve a edi kan a wɔde di dwuma, na ne nhyehyɛe yɛ mmerɛw, ebue na ɛto mu ntɛmntɛm, na nsu ntumi nkɔ mu pii. Plɔg valve ahorow a wɔtaa de di dwuma no de wɔn ho to dade plug nipadua a wɔawie ne valve nipadua no ntam nkitahodi tẽẽ so na ama wɔasɔ ano, enti nsɔano no nyɛ papa, tumi a ɛbue ne nea ɛto mu no yɛ kɛse, ɛnyɛ den sɛ wɔbɛhyɛ, na mpɛn pii no wobetumi de adi dwuma wɔ nhyɛso a ɛba fam (ɛnyɛ kɛse nsen megapascal 1) ne bere a ne kɛse sua (ennu mm 100) nkutoo mu.
Classify ho asɛm
Sɛnea nhyehyɛe no kyerɛ no, wobetumi akyekyɛ mu ahorow anan: plug valve a ɛyɛ den, plug valve a ɛhyɛ ne ho so, plug valve ne plug valve a wɔde ngo ahyɛ mu. Sɛnea channel form no kyerɛ no, wobetumi akyekyɛ mu abiɛsa: straight-through plug valve, abiɛsa-akwan stopcock valve ne anan-akwan plug valve. Tube plug valve ahorow nso wɔ hɔ.
Wɔkyekyɛ plug valves mu sɛnea wɔde di dwuma a nea ɛka ho ne: soft seal plug valves, oil-lubricated hard seal plug valves, poppet plug valves, akwan abiɛsa ne akwan anan plug valves.
Mfaso a ɛwɔ so
1. Wɔde plug valve no di dwuma ma ɛyɛ adwuma mpɛn pii, na nea wobue ne nea wɔto mu no yɛ ntɛmntɛm na emu yɛ hare.
2. Nsuo a ɛko tia plug valve no sua.
3. Plɔg valve no wɔ nhyehyɛe a ɛnyɛ den, ne kɛse sua koraa, emu duru yɛ hare na ɛnyɛ den sɛ wobesiesie.
4. Nsɔano adwumayɛ pa.
5. Ɛnyɛ nea anohyeto wɔ ɔkwan a wɔfa so de si hɔ no so, na ɔkwan a ɛsen fa so no betumi ayɛ nea wɔpɛ.
6. Wosow biara nni hɔ, dede a ɛba fam.
Soft-seal apon ano valve ahorow
Soft seal gate valve, industrial valve, soft seal gate valve bue ne closing afã horow yɛ rams, akwankyerɛ a ram no kankan no yɛ perpendicular to akwankyerɛ a nsu, gate valve no nkutoo betumi abue koraa na wɔato mu, wontumi nsiesie na throttled. Ram no wɔ abien sealing soro, nea wɔtaa de di dwuma mode gate valve abien sealing soro yɛ wedge, wedge angle no gu ahorow ne valve parameters, nominal diameter yɛ DN50 ~ DN1200, adwumayɛ ɔhyew: ≤200 ° C.
Product nnyinasosɛm
Ɔpon mprɛte a ɛwɔ wedge no muapon ano valve betumi ayɛ ade mũ, a wɔfrɛ no ɔpon a ɛyɛ den; Wobetumi nso ayɛ no odwennini a ebetumi ama ayɛ nsakrae kakra de ama ne yɛ atu mpɔn na ayɛ nea ɛtwetwe nsɔano no ani wɔ ɔkwan a wɔfa so yɛ adwuma no mu, a wɔfrɛ no elastic ram no.
Nsɔano a ɛyɛ mmerɛwapon ano valve ahorowwɔakyekyɛ mu abien: abaa a wɔabuesoft seal aponkɛse valvene esum poma soft nsɔanoapon ano valve. Mpɛn pii no, asaawa bi a ɛte sɛ trapezoidal wɔ abaa a wɔma so no so, a ɛsakra kankyee a ɛkyinkyini no kɔ linear motion so denam nut a ɛwɔ odwennini no mfinimfini ne akwankyerɛ groove a ɛwɔ valve nipadua no so, kyerɛ sɛ, adwumayɛ torque no kɔ adwumayɛ mu thrust no mu. Sɛ wobue valve no, sɛ ram a wɔma so no sorokɔ yɛ pɛ mmɔho 1:1 wɔ valve no ntwemu so a, nsu no a ɛsen no nsiw kwan koraa, nanso wontumi nhwɛ saa gyinabea yi bere a wɔreyɛ adwuma no. Wɔ dwumadie ankasa mu no, wɔde dua no atifi, kyerɛ sɛ, gyinabea a wontumi mmue, na ɛhyɛ no agyirae sɛ ne gyinabea a ɛbue koraa. Sɛnea ɛbɛyɛ a wobebu akontaa wɔ lock-up esiane ɔhyew nsakrae nti, wɔtaa bue no kɔ apex gyinabea na afei wɔsan kɔ akyi 1/2-1 dan sɛ gyinabea a valve a wɔabue koraa no. Enti, gyinabea a valve no abue koraa no, gyinabea a odwennini no wɔ (kyerɛ sɛ, ɔhwe no). Mpɛn pii no, ɛsɛ sɛ wɔde saa valve yi si hɔ tẽẽ wɔ nsu afiri no mu.
Ahwehwɛde Ahorow a Ɛho Hia
1. Nsɛm a wɔakyerɛkyerɛ mu ne akuw ahorow a ɛwɔsoft seal gate valves a ɛyɛ mmerɛwɛsɛ sɛ edi ahwehwɛde ahorow a ɛwɔ nsu afiri ho nhyehyɛe ho nkrataa mu no so.
2. Ɛsɛ sɛ soft seal gate valve no nhwɛso kyerɛ ɔman no gyinapɛn nɔma ahwehwɛde sɛnea ɛte. Sɛ ɛyɛ adwumayɛkuo gyinapɛn a, ɛsɛ sɛ wɔkyerɛ nhwɛsoɔ no ho nkyerɛkyerɛmu a ɛfata.
3. Adwumayɛ mu nhyɛso a ɛwɔsoft seal aponkɛse valvehwehwɛ sɛ ≥ nsuo afiri no adwumayɛ nhyɛsoɔ, a ɛnka boɔ no, ɛsɛ sɛ adwumayɛ nhyɛsoɔ a valve no tumi gyina ano no yɛ kɛseɛ sene nsuo afiri no adwumayɛ nhyɛsoɔ ankasa, na ɛsɛ sɛ soft seal gate valve no fã biara tumi gyina valve no adwumayɛ nhyɛsoɔ boɔ mmɔho 1.1 ano a nsuo ntumi nkɔ
4. Nneɛma a wɔyɛ no gyinapɛn a ɛwɔsoft seal aponkɛse valveɛsɛ sɛ ɛkyerɛ ɔman no gyinapɛn nɔma a egyina so, na sɛ ɛyɛ adwumayɛkuw gyinapɛn a, ɛsɛ sɛ wɔde adwumakuw no krataa no bata adetɔ ho apam no ho.
Nea ɛto so abien, soft seal gate valve ade no
1. Ɛsɛ sɛ nneɛma a wɔde yɛ valve nipadua no yɛ dade a wɔatow, dade a wɔabɔ, dade a ɛnyɛ den, 316L, na ɛsɛ sɛ wɔkyerɛ dade a wɔde ayɛ no grade ne honam fam ne nnuru sɔhwɛ ho nsɛm ankasa.
2. Ɛsɛ sɛ dua no mu ade no bɔ mmɔden sɛ wobenya dade a ɛnyɛ den dua (2CR13), na ɛsɛ sɛ valve a ne kɛse yɛ kɛse no nso yɛ dade a ɛnyɛ den a wɔde ahyɛ dua mu.
3. Wɔde aluminium kɔbere a wɔabɔ anaa aluminium kɔbere a wɔabɔ na ɛyɛ nut no, na ne den ne ahoɔden sõ sen nea ɛwɔ valve dua no mu.
4. Ɛnsɛ sɛ dua no bushing ade no den ne ahoɔden yɛ kɛse sen nea ɛwɔ valve dua no mu, na ɛnsɛ sɛ electrochemical corrosion biara ba valve dua no ne valve nipadua no mu wɔ tebea a wɔde nsu gu mu no mu.
5. Nneɛma a wɔde yɛ nsɔano no
(1) Nsɔano ahorow a ɛyɛ mmerɛwapon ano valves yɛ soronko, na ɛsono akwan a wɔfa so sɔ nsɔano ne nneɛma a wɔhwehwɛ;
(2) Wɔ wedge gate valves a ɛyɛ mpapahwekwa ho no, ɛsɛ sɛ wɔkyerɛkyerɛ nneɛma, ɔkwan a wɔfa so siesie ne ɔkwan a wɔfa so yam kɔbere ring no mu;
(3) Physicochemical ne ahotew sɔhwɛ data a ɛfa soft seal gate valve ne valve plate lining nneɛma ho;
6. Valve shaft a wɔde kyekyere nneɛma
(1) Efisɛ nsɔano a ɛyɛ mmerɛw noapon ano valvewɔ paipu ntam no, mpɛn pii no wɔntaa mmue na wɔto mu, wɔhwehwɛ sɛ nneɛma a wɔde ahyɛ mu no nyɛ adwuma mfe pii, na nneɛma a wɔde ahyɛ mu no nnyinii, na wɔkora tumi a ɛsɔ ano no so bere tenten;
(2) Ɛsɛ sɛ valve a wɔde ahyɛ mu no nso yɛ nea ɛtra hɔ daa bere a wɔtaa bue na wɔto mu no;
(3) Esiane atifi hɔ ahwehwɛde ahorow nti, wɔbɔ mmɔden sɛ wɔrensesa valve shaft packing no nkwa nna nyinaa anaa bɛboro mfe du;
(4) Sɛ ɛho hia sɛ wɔsesa nneɛma a wɔde ahyɛ mu no a, ɛsɛ sɛ sɛnea wɔayɛ mframa valve no susuw nneɛma a wobetumi de asi ananmu wɔ nsu nhyɛso tebea mu no ho.
Nea ɛto so abiɛsa, ɔkwan a wɔfa so de nsɔano a ɛyɛ mmerɛw no yɛ adwumaapon ano valve
3.1 Ɛsɛ sɛ wɔto soft seal gate valve no kwan a wɔfa so bue ne nea wɔto mu bere a wɔreyɛ adwuma no mu wɔ dɔn no kwan so.
3.2 Esiane sɛ wɔtaa de nsa bue mframa valve a ɛwɔ pipe network no mu na wɔto mu nti, ɛnsɛ sɛ ɛkwan a ɛbue ne nea ɛto mu no dodow yɛ pii dodo, kyerɛ sɛ, ɛsɛ sɛ valve a ne kɛse yɛ kɛse no nso yɛ nea ɛkɔ 200-600 mu.
3.3 Sεdeε εbεyε na onipa baako bεbue ne ne to mu adwuma no, εsε sε sεdeε εbεbue ne nea εto mu no torque a εsen biara no yε 240N-m wɔ tebea a εwɔ nsuo afiri mu nhyɛsoɔ mu.
3.4 Ɛsɛ sɛ soft seal gate valve no bue ne nea ɛto mu adwumayɛ awiei yɛ square tenon, na ɛsɛ sɛ ne kɛse yɛ standardized, na ɛhwɛ fam, sɛnea ɛbɛyɛ a nkurɔfo betumi ayɛ adwuma tẽẽ afi fam. Valve a disc disc wom no mfata sɛ wɔde di dwuma wɔ asase ase ntam nkitahodi mu.
3.5 display panel a ɛbue ne ntotoeɛ degree a ɛyɛ soft sealapon ano valve
.
(2) Wobetumi de dade a ɛnyɛ den mprɛte ayɛ nneɛma a wɔde kyerɛ diski no wɔ tebea a wɔhwɛ so yiye mu, anyɛ saa a ɛyɛ dade mprɛte a wɔayɛ ho adwini, na ɛnsɛ sɛ wɔde aluminium were na ɛyɛ;
(3) Indicator disc needle no yɛ nea ɛtwetwe adwene, wɔde si hɔ denneennen, sɛ nsakrae a wɔde bue ne nea wɔde to mu no yɛ pɛpɛɛpɛ pɛ a, ɛsɛ sɛ wɔde rivets to mu.
3.6 Sɛ wɔasie soft seal gate valve no kɔ akyiri, na kwan a ɛda adwumayɛ afiri no ne display panel ne asase ntam no yɛ ≥1.5m a, ɛsɛ sɛ wɔde extension rod facility hyehyɛ mu, na ɛsɛ sɛ wɔde si hɔ pintinn sɛdeɛ ɛbɛyɛ a nkurɔfoɔ bɛtumi ahwɛ na wɔayɛ adwuma afiri fam. Ɛne sɛ, sɛnea wobue ne to mu a wɔde yɛ valve a ɛwɔ paipu ntam no mfata mma asase ase adwumayɛ.
Nea ɛto so anan, adwumayɛ sɔhwɛ a ɛwɔ nsɔano a ɛyɛ mmerɛw no muapon ano valve
4.1 Sɛ wɔyɛ valve no wɔ batches a ɛwɔ specification pɔtee bi mu a, ɛsɛ sɛ wɔde ahyehyɛdeɛ a ɛwɔ tumi hyɛ sɛ wɔnsɔ adwumayɛ a ɛdidi soɔ yi nhwɛ:
(1) Torque a wobue ne nea ɛto mu wɔ valve no mu wɔ tebea a ɛyɛ adwuma nhyɛso ase;
(2) Wɔ tebea a ɛyɛ adwuma nhyɛso ase no, ebetumi ahwɛ ahu sɛ wɔbɛkɔ so abue na wɔato mu bere avalvesɛ wɔbɛto mu denneennen;
(3) Detection a ɛfa flow resistance coefficient a ɛwɔ valve no mu wɔ tebea a pipeline nsuo akwantuo mu.
4.2 Nneɛma a wɔdevalveɛsɛ sɛ wɔsɔ hwɛ sɛnea edidi so yi ansa na wɔafi adwumayɛbea hɔ:
(1) Sɛ wobue valve no a, ɛsɛ sɛ valve nipadua no gyina nhyɛso a ɛwɔ mu no mu sɔhwɛ no ano sen valve no adwumayɛ nhyɛso bo mmɔho abien;
.
Nea ɛto so anum, emu ne akyi anti-corrosion a soft seal gate valve no
5.1 Valve nipadua no mu ne akyi (a variable speed transmission box ka ho), nea edi kan koraa no, ɛsɛ sɛ wɔyɛ shot blasting, sand removal ne rust removal, na ɛsɛ sɛ wɔde electrostatically petepete powder a ɛnyɛ awuduru epoxy resin no, a ne kɛse boro 0.3mm. Sɛ ɛyɛ den sɛ wɔde anyinam ahoɔden bɛpete epoxy resin a awuduru nnim wɔ valve akɛse a ɛboro so so a, ɛsɛ sɛ wɔde brush epoxy paint a awuduru nnim a ɛte saa ara nso na wɔde petepete so.
5.2 Wɔhwehwɛ sɛ valve nipadua no mu ne valve plate no afã horow nyinaa yɛ nea ɛko tia nsɛe koraa, ɔkwan biako so no, ɛrensɛe bere a wɔde ahyɛ nsu mu no, na electrochemical corrosion biara remma dade abien no ntam Nea ɛto so abien no, ne ani yɛ torotoro, ma enti nsu a ɛko tia no so tew.
5.3 Ɛsɛ sɛ ahotew ho ahwehwɛdeɛ a ɛfa epoxy resin anaa paint a wɔde ko tia nsɛeɛ wɔ valve nipadua no mu no nya sɔhwɛ amanneɛbɔ a ɛfiri aban a ɛfa ho no hɔ. Ɛsɛ sɛ nnuru ne abɔde mu nneɛma nso di ahwehwɛde ahorow a ɛfa ho no ho dwuma.
Bere a wɔde bɛkyerɛw: Nov-09-2024
