Aguade ho nkyerɛkyerɛmu .
300x slow-closing muffler check valve no wɔ nhyehyɛe foforo, nsɔano tumi pa, ahoɔden a ɛba fam, nsu a ɛsen kɛse, ɔsom nkwa tenten ne nea ɛkeka ho. Ebetumi ahwɛ ahoɔhare a valve titiriw no bue anaasɛ ɛto mu no so, wobetumi ayɛ nsakrae wɔ tebea no mu ma ayɛ adwuma tebea pa, ebetumi ayɛ nsu hama adeyɛ, na ama wɔanya nkɛntɛnso a ɛwɔ muffler a ɛba brɛoo no so.
Wɔ nsu a wɔde di dwuma ho nhyehyɛe ahorow mu no, valve mfiridwuma a wɔpaw no ho hia kɛse na ama wɔatumi ayɛ adwuma yiye na atra hɔ akyɛ. Nneɛma foforo a ɛwɔ nkɛntɛnso kɛse wɔ saa adwuma yi mu biako ne check valve a wɔde wie brɛoo, a ɛma wonya mfaso pii ma mfiridwuma mu nneɛma ahorow.
Nea edi kan koraa no, mfaso titiriw a ɛwɔ check valve a wɔde to mu brɛoo so ne sɛnea etumi siw nsu hama ano, adeyɛ a ɛba bere a wɔhyɛ nsu a ɛrekɔ so no ma wogyae anaasɛ wɔsesa wɔn kwan mpofirim no. Eyi betumi ama nhyɛso a emu yɛ den aba nsu nhama mu, na ebetumi asɛe nsu a wɔde fa nsu mu ne nnwinnade a ɛka ho no nyinaa. Saa valve ahorow yi a wɔto mu brɛoo no ma kwan ma nsu a ɛsen ntɛmntɛm no so tew nkakrankakra, na ɛma asorɔkye a ɛyɛ hu no so tew yiye na ɛbɔ nneɛma ho ban.
Bio nso, check valve ahorow a wɔde to mu brɛoo no yɛ adwinnade a ɛma adwumayɛ mu mmɔdenbɔ kɔ anim. Ɛdenam ahoɔhare a wɔde to valve mu no so no, saa mfiri ahorow yi brɛ ahoɔden a ɛyera bere a nsu fa mu no ase na ɛma basabasayɛ a ɛwɔ nhyehyɛe no mu no so tew. Saa dwumadie yi kyerɛ adwumayɛ ho ka a ɛba fam na ɛma nhyehyɛeɛ no nyinaa mu ahotosoɔ tu mpɔn, na ɛma ɛyɛ nea wɔpɛ a wɔpaw wɔ nnwuma ahodoɔ mu, a nsuo a wɔde yɛ adwuma, ngo ne mframa, ne nnuru a wɔde yɛ adwuma ka ho.
Mfaso foforo a ɛho hia ne nkwa nna a ɛkɔ soro wɔ valve no ankasa mu. Atetesɛm mu check valve ahorow, sɛ wɔde to mu ntɛmntɛm a, ɛtaa yɛ nea ɛho asɛe dodo. Nea ɛne eyi bɔ abira no, check valve ahorow a wɔde to mu brɛoo no nya adwennwen a ɛba fam bere a wɔreyɛ adwuma no, na ɛma ɛka a wɔbɔ wɔ nsiesie ho no so tew na ɛma obi nya nkwa tenten. Saa ahoɔden a ɛtra hɔ kyɛ yi yɛ nea mfaso wɔ so titiriw wɔ mmeae a wohia mmoa kɛse a sɛ wosiesie no daa a, ebetumi ama bere a wɔde bɛyɛ adwuma no ayɛ nea ɛho ka yɛ den.
Sɛ yɛde rewie a, mfaso a ɛwɔ check valve ahorow a wɔde to mu brɛoo so no yɛ kɛse. Wɔn tumi a wɔde brɛ nsu hama ase, ɛma adwumayɛ mu mmɔdenbɔ yɛ kɛse, na wɔtrɛw nnwinnade nkwa nna mu no ma ɛyɛ ade titiriw wɔ nnɛyi nsu nhyehyɛe mu. Bere a nnwuma ahorow kɔ so hwehwɛ ano aduru a wotumi de ho to so na ɛho ka sua no, wɔahyɛ sɛ wɔahyɛ sɛ check check a wɔde to mu brɛoo no agye din kɛse, na ɛma ne gyinabea sɛ ade titiriw a ɛma nsu so tumi di dwuma yiye no yɛ den.
Storaen check check valve a ɛtow brɛoo no san kyerɛkyerɛ ahobammɔ mu denam nhyehyɛe a ɛyɛ nsakrae a ɛma nsu abien-nsu a wɔde yɛ adwuma no so, a wɔayɛ no pɔtee sɛnea ɛbɛyɛ a wobeyi nsu hama a ɛsɛe ade wɔ nsu a wɔde bɔ nsu mu no afi hɔ no so. Nea ɛnte sɛ atetesɛm mu check valve ahorow a ɛnyɛ nea wɔsan de ba a ɛde asiane ba sɛ wɔbɛto mu mpofirim na nhyɛso akɔ soro no, yɛn 300X mfonini no de mfiase mfiase a wɔde to mu ne nkakrankakra a wɔde to mu no bom, na ɛma ɛyɛ ano aduru a etwa to ma adan atenten, mfiridwuma mu nsu nhama, ne nsu a wɔde yɛ nsu ho adwuma.
Mfiridwuma a ɛwɔ adan abien mu anwanwadeɛ .
Wɔ saa backflow preventer check valve yi mu no, hydraulic afiri a ɛwɔ afã abien da .:
1. Upper & Lower Water Chambers: Piston-style disc kyekyɛ valve no mu abien, a wɔde ade a ɛyɛ pɛpɛɛpɛ a ɛma nsu sen wɔ wɔn ntam no na ɛka bom.
Stage 1: Rapid Emergency Shutoff (80% stroke in 2 seconds): Sɛ pɔmpɛ no gyae a, disc no bɔ ntɛmntɛm ma ɛkyere ahoɔhare a ɛkɔ soro no, na ɛmma pɔmpɛ ne valve no nsɛe ntɛm ara, na ɛho hia kɛse ma nnwinnade a ne bo yɛ den te sɛ centrifugal pumps ho ban.
Stage 2: Nhyɛsoɔ a ɛma nhyɛsoɔ ba nkakrankakra (ɛka 20% stroke wɔ sikɔne 10–60 mu): Needle valve no di nsuo a ɛfiri soro kɔ fam dan no so, ɛma diski no to mu nkakrankakra na ɛyɛ pɛpɛɛpɛ, ɛma residual pressure no sɛe na ɛhyɛ nsuo hama a ɛwɔ soro no so ma ɛyɛ ≤1.5X adwuma nhyɛsoɔ—
Nea enti a dual-chamber di nkonim sen check valve ahorow afoforo .
Noise & Vibration Control: Slow Final Cosure no yi “nsu hama a ɛbɔ,” dede so tew 40% bere a wɔde toto mfiri a wɔde twa ntɛmntɛm ho no —ɛfata ma mmeae a wɔtra anaa mmeae a dede te.
Nnwinnade a wɔatrɛw mu nkwa: Ɛdenam nhyɛso a ɛkɔ soro a ɛba fam so no, ɛtew pɔmpɛ nsɔano a ɛho ayɛ fĩ no so 30% na ɛma valve no nkongua no paapae 50%, na ɛtra hɔ kyɛ sen sɛnea wɔtaa yɛ 1/2 ɔkwan biako so check valves anaasɛ 2-inch check valves wɔ mmeae a ɛyɛ den.
Nneɛma a wɔde di dwuma wɔ akwan horow so a wɔde di dwuma wɔ akwan horow so .
Wobetumi anya wɔ akɛse mu fi 1/2 check valve (DN15) kosi 2-inch check valve (DN50) ne nea ɛboro saa (ɛkɔ DN600), 300X model no yɛ nsakrae ma ɛne nhyehyɛe ahorow hyia .:
Nneɛma a wobetumi apaw .:
Ductile dadeɛ: ɛho ka sua ma mfiridwuma mu nsuo/gas (1.0–2.5MPa, -10°C–80°C).
Kɔbere: nsɛe a ɛyɛ den ma nsu a wɔnom anaa ɛpo mu nneɛma a wɔde di dwuma (ɛfata ma dade a ɛnyɛ den a wɔde hwɛ nneɛma a wɔde si valve ananmu wɔ nhyehyɛe ahorow a wɔde nhyɛso ba fam mu).
Stainless Steel 316: Nneɛma a emu yɛ duru a wɔde yɛ nnuru a wɔde yɛ nneɛma anaasɛ ɔhyew a ɛkɔ soro (ɛkɔ 150°C).
Installation flexibility: Flanged connections (RF/FF) di ASME B16.5 ne GB/T 17241.6 so, a ɛfata a ɛnyɛ hwee wɔ pipelines foforo ne retrofitting nnwuma nyinaa mu.
Adwumayɛ ho metrics titiriw .
Nhyɛso a ɛba fam a wɔde yɛ adwuma: efi ase to mu wɔ 0.05MPa pɛ, na ɛhwɛ ma wotumi de ho to so wɔ nhyehyɛe a ɛba fam mu.
Minimal flow resistance: Disc nhyehyɛe a ɛyɛ mmerɛw no ma nhyɛso a ɛba fam no so tew 25% sɛ wɔde toto swing-type check valves ho a, ɛma ahoɔden a wɔde di dwuma yiye no yɛ papa.
Cycle Life: 50,000+ Operations without Seat Wear —Mmienu ma nnwuma no mu dodow no ara yɛ check valve ahorow a ɛtwa ho hyia.
Paw check valve a ɛfata ma wo system .
Sɛ́ ebia wuhia 1/1/2 check valve ma HVAC loop ketewa bi anaasɛ DN300 mfonini kɛse a wɔde bɛbɔ mfiridwuma mu no, Storaen mfiridwuma a ɛwɔ adan abien no hwɛ hu sɛ ahobammɔ a ɛso bi nni. Nea ɛnte sɛ generic check valves ahorow ahorow a ɛma ahobammɔ anaasɛ ɛyɛ adwuma yiye no, yɛn 300X nhwɛso no de mfaso abiɛsa a ɛho hia ma wɔ biako mu: akyi nsu a wosiw ano, nsu hama a woyi fi hɔ, ne dede a ɛso tew.
Fa check valve a ɛwɔ slow-closing a engineers wɔ mu no yɛ wo pipeline ahobammɔ ho nhyehyɛe nnɛ. Hwehwɛ Storaen kwan so na hu sɛnea nyansa a wɔde yɛ nneɛma no dannan nsu a wɔde di dwuma no—esiane nsu nhama mu nti, bere nyinaa na wɔde siw ano no ye sen sɛ wobesiesie.
Nneɛma a ɛfata a wobɛpaw ama wo check valve a ɛtwa brɛoo no ho hia na ama woahwɛ ahu sɛ ɛbɛtena hɔ akyɛ na ayɛ adwuma, titiriw bere a woredi nsɛm ho amanneɛbɔ a ɛporɔw ho dwuma no. Storaen de nneɛma atitiriw abien a wobetumi apaw—a wɔde dade ne kɔbere ayɛ—a emu biara yɛ nea ɛfata mfiridwuma ne aguadi mu nneɛma pɔtee bi ma. Saa akwankyerɛ yi boa wo ma wofa wɔn nsonsonoeɛ mu na wopaw ano aduru a ɛyɛ papa ma wo pipeline ahiadeɛ, berɛ a worehwehwɛ sɛdeɛ wɔde toto check valve ahodoɔ foforɔ ho.
1. Dade a Wɔtow: Nnwuma a emu yɛ duru a ɛyɛ den ma mfiridwuma mu kateeyɛ .
Hwɛ valve cast iron (sɛ nhwɛso no, QT450 ductile iron) ne ade a wɔpaw ma mmeae a ɛyɛ den, a nhyɛso kɛse wom. Sɛ ahoɔden a ɛwɔ mu yɛ 450MPa a, ɛgyina nhyɛsoɔ a ɛkɔ 2.5MPa ano na ɛyɛ hyeɛ firi -10°C kɔsi 80°C, na ɛma ɛyɛ papa ma nsuo a ɛyɛ abubuo te sɛ nsuo a ɛyɛ fĩ, mfiridwuma mu nsuo, anaa nsɛm a wɔde nneɛma nketenkete ahyɛ mu ma. Ne soro a ɛyɛ den no hwɛ hu sɛ wɔde nsɔano a wotumi de ho to so ma check valve ahorow a ɛnyɛ nea ɛsan ba bio, na ɛtew nsu a ɛtwetwe wɔ nhyehyɛe ahorow a ɛsen kɔ soro no so. Bere a abɔde mu tumi gyina corrosives a ɛnyɛ den ano (pH 6–8) no, epoxy a wɔde kata so a wotumi paw no ma ahobammɔ a efi acid/alkali a ɛyɛ mmerɛw mu ba no yɛ kɛse. Nanso, ɛnyɛ nea ɛfata ma po mu nsu anaa nnuru a ɛyɛ hu —opt ma stainless steel check valves wɔ saa nsɛm no mu.
Nea eye sen biara ma: mfiridwuma mu nsu afiri, nsu fĩ adwumayɛbea, ne HVAC nhyehyɛe a abrasion ne nhyɛso kɛse yɛ dadwen. abien yiye ne check valve ahorow a wɔde di dwuma wɔ wimhyɛn mu a ɛwɔ afiri a wɔde pam nsu mu a ɛyɛ adwuma no bom yiye.
2. Kɔbere: pɛpɛɛpɛ ne ahotew ma nsɛm ho amanneɛbɔ a ɛho tew .
Brass check valves (sɛ nhwɛso no, HPB59-1 kɔbere-free) di mu wɔ dwumadie a ɛhia sɛ wɔsiesie na ɛko tia nsuo a ɛnyɛ basabasa. Wɔn ani a ɛyɛ mmerɛw a wɔde wie (RA 3.2) no du FDA gyinapɛn ahorow a ɛfa nsu a wɔnom ne nsu a wɔde yɛ aduan ho, na ɛma ɛyɛ nea eye ma nsu a wɔnom ho nhyehyɛe anaa po mu nhyehyɛe ahorow. Ɛyɛ hare sen dade a wɔde gu mu, na ɛma ɛyɛ mmerɛw sɛ wɔde besisi mmeae a ɛyɛ den, te sɛ nsu ho nhama a ɛwɔ 1/2 ɔkwan biako so check valves. Kɔbere ko tia nsu pa, nsu a ɛyɛ hyew (≤150°C), ne acid a ɛnyɛ oxidizing nanso ebetumi asɛe wɔ ammonia anaa ɛpo mu nsu a ɛyɛ hyew kɛse mu—hwɛ nnuru a wɔde hwɛ nneɛma a wɔde nikel adura ho a wɔde hwɛ nneɛma a ɛtete saa mu.
Nea eye sen biara ma: nsu a wɔnom ho nhyehyɛe, po so nneɛma a wɔde di dwuma, ne mfiridwuma mu nhyehyɛe nketewa (sɛ nhwɛso no, 2-inch check valves a ɛwɔ boiler feed lines mu). Perfect ma backflow preventer check valves wɔ adan a wɔte mu mu esiane lead-free compliance nti.
Nneɛma atitiriw a ɛfa gyinaesi ho .
Media Type: Fa cast iron di dwuma ma nsu a ɛho ntew, a ɛyɛ nketenkete ayɛ no ma; Paw kɔbere ma nsu a ɛho tew anaa aduan ho nsɛm ho amanneɛbɔ.
nhyɛso/ɔhyew: dade a wɔde gu mu no di nhyɛso a ɛkorɔn ho dwuma (ɛkɔ 2.5MPa) nanso ɛwɔ temps a ɛba fam (80°C max); Kɔbere fata nhyɛso a ɛwɔ ntam (≤1.6MPa) ne ɔhyew a ɛkɔ mu yiye.
Hygiene & Installation: Brass de ahotew ne mmerɛw a ɛwɔ sɛ wɔde si hɔ no di kan wɔ ntwemu nketewa mu; Dadeɛ a wɔde ayɛ adwuma no ma ɛka a wɔbɔ no yɛ yie ma nsuo afiri akɛseɛ (DN50–DN600).
Bere a ɛsɛ sɛ wosusuw dade a ɛnyɛ den ho .
Wɔ mmeae a ɛyɛ mmerɛw kɛse (po mu nsu, hydrochloric acid) no, Storaen dade a ɛnyɛ den a wɔde hwɛ nneɛma so (304/316L) no ma wotumi gyina ano yiye, ɛwom sɛ ɛho ka yɛ den de. Eyinom yɛ nea eye ma backcheck valve ahorow a ɛwɔ nnuru a wɔde yɛ nnuru anaa mpoano asɛnka agua so, baabi a ahotoso a wɔde di dwuma bere tenten no boro sika a wɔde hyɛ mu mfiase no so.
Yɛ nea ɛfata ma wo nhyehyɛe no .
Sɛ wopaw dade a wɔde ayɛ adwuma ne kɔbere ntam ma wo check valve a ɛbɔ brɛoo no a, egyina wo nsɛm ho amanneɛbɔfo no basabasayɛ, nhyɛso ahiade ahorow, ne ahotew ho ahwehwɛde ahorow so .:
Industrial Toughness: Paw dade a wɔde gu mu a wode bedi abrasion ne nhyɛso kɛse ho dwuma.
Clean systems & small sizes: Paw kɔbere ma ɛho tew na ɛnyɛ den sɛ wode besisi hɔ.
corrosion a ano yɛ den: upgrade to stainless steel for aggressive chemicals anaa po so de di dwuma.
Wɔayɛ Storaen nneɛma no sɛnea ɛbɛyɛ a ɛne check valve ahorow ahorow ne wo adwumayɛ tebea soronko no bɛyɛ pɛ, na ɛnyɛ sɛ ɛbɛma woasiw akyi nko na mmom adwuma a ɛtra hɔ daa nso. Hwehwɛ yɛn range nnɛ na fa nneɛma a ɛfata, a wɔasi no sɛnea ɛbɛyɛ a ɛbɛkyɛ, a wɔayɛ no sɛnea ɛbɛyɛ a ɛbɛyɛ adwuma yiye.
Product parameter .
Nhyɛso a wɔfrɛ no: 1.0MPa-1.6MPa-2.5MPa .
Nhyɛso a ɛba fam: ≥0.02MPa .
Nkyerɛkyerɛmu Caliber: 50 kosi 600mm .
Ɔhyew a ɛwɔ mfinimfini: 0 kosi 80 degrees .
Medium a ɛwɔ hɔ: Nsuo a ɛho tew .
Nkitahodi kwan: Flange .
Shell material: Dade anaa kɔbere a wɔde gu mu .
Product Detail Mfoniniyɛ .
Product adwumayɛ nnyinasosɛm .
Saa valve yi wɔ nsuo dan mu nneɛma mmienu, diaphragm a ɛwɔ nsuo dan ase wɔ cutoff no ase ma nsuo kwan no, (twa beaeɛ kɛseɛ a ɛbɛn pipe diameter area no), diaphragm a ɛwɔ nsuo dan no mu ma nhyɛso Nsu a ɛwɔ soro dan mu, ne nhyɛso a ɛkɔ soro wɔ nsu dan no mu no, ma enti nea wɔatwa no mu no to mu nkakrankakra ma ɛyɛ 10% a aka a ɛyɛ brɛoo a wɔde hyɛ muffling no dwumadi a muffler no di no.
Nneɛma a wɔhwehwɛ .
Wɔayɛ slow closing check valve no sɛnea ɛbɛyɛ a ɛremma nsu nkɔ akyi wɔ piping systems mu bere a ɛtew nsu hama a efi mu ba a efi mpofirim a wogyina hɔ no so. Ɛdenam ma a ɛma valve no to mu nkakrankakra no so no, ɛma ɛyɛ mmerɛw sɛ wobɛsakra a ɛbɔ wo nhyehyɛe no ho ban na ɛtrɛw wo plumbing components no nkwa nna mu.
Saa valve yi yɛ adwuma denam nhyehyɛe soronko bi a ɛde afiri a wɔde to mu a wɔahyɛ so di dwuma so. Bere a nsu no regyae no, valve no to mu nkakrankakra sen sɛ ɛbɛtow mpofirim, na ɛmma nhyɛso no nkɔ soro na ebetumi asɛe. Saa ade yi ho hia titiriw wɔ nneɛma a wɔde pɔmpɛ, nsu a wɔde yɛ nsu a ɛyɛ hyew, ne nnwinnade afoforo a ɛyɛ mmerɛw wɔ hydraulic shocks ho mu.
Yɛn slow closing check valve no yɛ nea wɔtaa yɛ fi nneɛma a ɛyɛ papa te sɛ kɔbere anaa dade a ɛnyɛ den mu, na ɛma ɛyɛ den sɛ ɛbɛtra hɔ akyɛ na atumi agyina ano. Ɛnyɛ sɛ nneɛma a wɔpaw no ma adwumayɛ yɛ kɛse nko, na mmom ɛma wonya adwumayɛ a ɛtra hɔ kyɛ wɔ mmeae ahorow nso.
Yiw, wɔayɛ yɛn slow closing check valve no sɛ wɔmfa nsi hɔ wɔ akwan horow so. Wobetumi de ahyɛ mu wɔ ɔkwan a ɛda fam anaa nea ɛda fam so, na ɛma ɛfata ma nsu a wɔde fa nsu mu nhyehyɛe ahorow. Nanso, yɛhyɛ nyansa sɛ hwehwɛ akwankyerɛ a wɔde besisi hɔ no mu na ama woatumi ayɛ adwuma yiye.
Bere a wɔayɛ slow closing check valve no sɛnea ɛbɛyɛ a wobesiesie no kakraa bi no, wɔkamfo kyerɛ sɛ wɔnyɛ nhwehwɛmu bere ne bere mu na ama wɔatumi ayɛ adwuma yiye. Sɛ wohwɛ sɛ nneɛma a ɛwɔ hɔ no yɛ kɛse, sɛ wobɛyɛ nhwehwɛmu a wɔde aniwa hu sɛ ɛretu anaasɛ asɛe anaa, na woahwɛ ahu sɛ afiri no nni akwanside biara a, ɛbɛboa ma ne dwumadi no akyɛ.
Mfaso titiriw a ɛwɔ check valve a wɔde to mu brɛoo so wɔ standard check valves so ne sɛnea etumi siw nsu hama ano, a ebetumi ama asorɔkye a ɛbɔ a ɛyɛ hu a ɛwɔ nsu ho nhyehyɛe mu no aba. Bio nso, ɛdenam sɛ ɛto mu nkakrankakra so no, ɛtew dede so, ɛma nhyehyɛe no mu ahotoso yɛ kɛse, na ɛma adwumayɛ nyinaa yɛ papa —ɛfata ma nneɛma a wɔde nhyɛso kɛse di dwuma.
Pɛpɛɛpɛ! Slow closing check valve no fata yiye ma atrae ne aguadi nyinaa. Sɛnea etumi di nsu a ɛsen ne nhyɛso ahorow ho dwuma no ma ɛyɛ nea eye sen biara a wobetumi apaw ama adan, mfiridwuma mu nneɛma, mmeae a wɔyɛ nsu ho adwuma, ne nea ɛkeka ho.
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