Pneumatic solenoid valve a ɛfata a wobɛpaw ama wo application no hwehwɛ sɛ wususuw nneɛma ahorow ho de hwɛ hu sɛ valve no di wo nhyehyɛe no ahwehwɛde ahorow ho dwuma. Afã titiriw a ɛsɛ sɛ wususuw ho bere a worepaw mframa a ɛwɔ solenoid valve mu ni:
1. Valve dwumadie ne ne su .
On/Off anaasɛ Control ahwehwɛde ahorow .: Hwɛ sɛ wo application no hia on/off control a ɛnyɛ den (2-way anaa 3-way valves) anaasɛ ɛho hia sɛ wode control a ɛyɛ den (4-way valves ma cylinders a ɛyɛ adwuma mprenu).
Nsu a ɛsen fa hɔ .: Paw directional control valve a ɛfata (sɛ nhwɛso no, 2-way, 3-way, 4-way) a egyina sɛnea ɛsɛ sɛ wɔde mframa a ɛsen no kyerɛ wo nhyehyɛe no mu so.
2-way valve .: Wɔde di dwuma ma mfitiase ON/OFF control (sɛ nhwɛso no, afiri bi a wobɛdane anaasɛ wobɛdum).
3-way valve .: Wɔtaa de di dwuma ma single-Acting cylinders anaasɛ exhaust control.
4-way valve .: ma mmɔho-Acting cylinders anaasɛ control afoforo a ɛyɛ den kɛse.
2. Port nhyehyɛe .
hyɛn gyinabea dodow .: Si port dodow a ɛsɛ sɛ valve no nya ho gyinae. Nhwɛsoɔ:
2-port (2-kwan) .: ma mfitiase on/off dwumadi.
3-Port (3-kwan) .: ma single-acting actuators anaasɛ sɛ ɛbɛhyɛ exhaust so.
4-port (4-kwan) .: ma abien-acting cylinders (wɔhwɛ exhaust ne supply nyinaa so).
hyɛn gyinabea kɛse .: Hwɛ sɛ valve no port no kɛse ne piping anaa tubing kɛse a ɛwɔ wo system no mu no hyia ma mframa a ɛkɔ mu yiye ne nhyɛso a wɔde di dwuma.
3. Valve actuation type .
Solenoid a ɛwɔ nipadua no mu .: Paw solenoid adwuma biako anaa abien ntam:
Solenoid biako (a ɛyɛ den) .: Valve no kɔ so tra baabi biako kosi sɛ solenoid no bɛyɛ adwuma. Spring san de kɔ default gyinabea bere a DE-anya ahoɔden.
Solenoid abien (bistable) .: Valve no tra gyinabea a etwa to no mu kosi sɛ solenoid a ɛto so abien no bɛyɛ adwuma.
Manual override .: Valve binom wɔ manual overrides sɛ anyinam ahoɔden di nkogu a, ɛma kwan ma wɔde nsa yɛ adwuma de siesie anaasɛ wɔde di dwuma ntɛm.
4. Nhyɛso ne nsu a ɛsen ho ahwehwɛde ahorow .
Adwumayɛ mu nhyɛso .: Paw valve a ebetumi adi nhyɛso a ɛwɔ wo nhyehyɛe no mu ho dwuma. Hwɛ sɛ valve no rated pressure range no ne wo system no adwumayɛ nhyɛso no hyia.
Nsuo a ɛsene (CV) .: Susuw flow rate ahwehwɛde ahorow a ɛwɔ wo nhyehyɛe no mu no ho. CV bo (coefficient of flow) no susuw mframa dodow a ebetumi afa valve no mu. Paw valve a ɛwɔ CV a ɛdɔɔso a ɛbɛma woatumi adi wo flow rate a wopɛ no ho dwuma.
Nhyɛso a ɛba fam .: Hwɛ sɛ valve no nhyɛso a ɛtɔ gu fam no yɛ nea wogye tom ma wo nhyehyɛe no. A high-pressure drop betumi atew adwumayɛ so.
5. Voltage ne ahoɔden a wɔde yɛ adwuma .
Voltage .: Hwɛ sɛ valve solenoid no yɛ rated ma voltage a ɛwɔ wo system no mu (sɛ nhwɛso no, 24V DC, 110V AC, anaa 220V AC).
Tumi a wɔde di dwuma .: Hwɛ solenoid no ahoɔden a wɔde di dwuma no mu hwɛ sɛ ɛne wo system no anyinam ahoɔden tumi hyia anaa.
6. Nneɛma ne adansi .
Nipadua mu nneɛma .: Paw ade a ɛfata wo mpɔtam hɔ. Nneɛma a wɔtaa de yɛ adwuma no bi ne:
Aluminium .: emu yɛ hare na ɛyɛ nsɛe-ɛko tia.
dade a ɛnyɛ den .: corrosion-ɛko tia na ɛyɛ den, ɛfata ma mmeae a ɛyɛ den.
Plastik .: emu yɛ hare na wɔtaa de di dwuma ma nneɛma a ɛnyɛ den pii.
Nsɔano ne O-Rings .: Hwɛ sɛ valve no nsɔano no ne nsuo (mframa anaa mframa foforɔ) a ɛwɔ wo nhyehyɛeɛ no mu no hyia na ɛtumi gyina nneɛma a ɛho ayɛ fĩ, nnuru, anaa ɔhyew a ano yɛ den ano.
7. Nneɛma a atwa yɛn ho ahyia tebea horow .
Ɔhyew a ɛyɛ adwuma .: Hwɛ sɛ valve no betumi ayɛ adwuma yiye wɔ wo nhyehyɛe no mu ɔhyew a wɔhwɛ kwan no mu.
Ingress ahobammɔ (IP rating) .: Sɛ valve no bɛda mfutuma anaa nsuo adi a, hwɛ ne IP rating no mu hwɛ sɛ wɔabɔ ho ban yie afiri nneɛma a atwa yɛn ho ahyia ho.
Nneɛma a atwa yɛn ho ahyia a ɛyɛ mmerɛw anaasɛ asiane wom .: Susuw valve ahorow a wɔde nneɛma a wɔde kata so anaa nneɛma a wɔayɛ sɛ wɔde bedi dwuma wɔ mmeae a ɛyɛ mmerɛw anaasɛ asiane wom, te sɛ aduan a wɔyɛ, nnuru, anaa ngo ne mframa ho hwɛ.
8. Mmuae bere ne ahoɔhare .
Actuation ahoɔhare .: Hwɛ sɛ valve no ma mmuae bere a ɛfata ntɛmntɛm ma wo application no. Sɛnea ɛbɛyɛ a wobɛtra soro-ntɛmntɛm actuators anaasɛ cycling a ɛyɛ ntɛm no, paw valve a ɛwɔ mmuae bere a ɛyɛ ntɛm.
kyinhyia asetra .: Susuw cycle nkwa a wɔhwɛ kwan no ho, titiriw sɛ valve no bɛtaa ayɛ adwuma a.
9. Installation ne mounting a wobɛpaw .
Mounting kwan so .: Paw inline, manifold-mounted, anaasɛ mounting options afoforo a egyina wo system design so.
Size ne ahunmu ho nsusuwii .: Hwɛ sɛ valve no afata wɔ baabi a ɛwɔ hɔ wɔ wo system no mu.
10. Nneɛma foforo a ɛwɔ mu .
Pilot-ADWUMA VS. Direct-Acting .:
Pilot{0}}ayɛ adwuma .: Ɛfata ma nsuo a ɛsen kɔ soro ne valve akɛseɛ, baabi a solenoid ketewa bi na ɛhwɛ nsuo a ɛsene a ɛwɔ valve kɛseɛ mu no.
Direct-Ayɛsɛm .: Eye ma valve nketewa anaasɛ bere a ɛba fam-nhyɛso adwumayɛ ho hia.
Nneɛma a wɔde yi mframa fi mu/Drain hyɛn gyinabea ahorow .: Sɛ ɛho hia a, paw valve ahorow a ɛwɔ exhaust anaa drain ports a wɔahyira so ama mframa a ɛyɛ adwuma yiye.
Nneɛma a ɛwɔ mu a ɛto so abien anaasɛ entumi nyɛ adwuma-ahobammɔ .: valve binom de locking mechanisms ba anaasɛ fail-ahobammɔ akwan a wɔfa so hwɛ hu sɛ ahobammɔ wɔ aplikeshɔn a ɛho hia mu.
11. Budget ne ne yɛfo no su .
Ɛka a wɔbɔ vs.: Bere a bo yɛ ade a ɛsɛ sɛ wususuw ho bere nyinaa no, hwɛ hu sɛ valve no di wo dwumadi ahwehwɛde ahorow ho dwuma. Paw adwumakuw a wotumi de ho to so a ɛwɔ kyerɛwtohɔ a wɔada no adi sɛ ɛyɛ papa na ɛyɛ den.
Nsiesiei ne mmoa a wɔde ma .: Susuw sɛnea ɛyɛ mmerɛw sɛ wobesiesie, spare parts a ɛwɔ hɔ, ne adetɔfo mmoa a efi nea ɔyɛe no hɔ no ho hwɛ.
Anamɔn no mu nsɛm tiawa:
Kyerɛ .dwumadieneabisadeɛ(On/Off, Flow Control, Directional Control).
Paw nea ɛfata .Port nhyehyɛe .neActuation type ..
Si no piNhyɛso, nsu a ɛsen .tumi, ne .Voltage .ahwehwɛde ahorow.
hwɛ hu sɛ ɛne no bɛyɛ pɛ wɔ .Nneɛma a atwa yɛn ho ahyia tebea horow .neNneɛma a wɔde yɛ adwuma .Wɔ wo nhyehyɛe mu.
HwɛInstallation ., Mounting ., nekɛseɛNneɛma a wobetumi apaw.
Paw valve bi fi a .Ɔyɛfo a ɔwɔ din pa .Ɛno ma mmoa ne nea ɛyɛ papa.
Ɛdenam saa nneɛma yi a wobɛsɔ ahwɛ so no, wubetumi apaw mframa a ɛwɔ solenoid valve a ɛfata a ɛfata wo nhyehyɛe no ahiade ahorow, na ama woatumi ayɛ adwuma yiye, wode wo ho ato so, na woayɛ adwuma yiye.
