Dɛn ne nsɛm titiriw a ɛbɛma woapaw check valves .

Nneɛma a wɔpaw no .Hwɛ valve ahorow no mu .Ɛhwehwɛ sɛ wosusuw nneɛma pii ho yiye na ama wɔatumi ayɛ adwuma a egyina hɔ pintinn na wotumi de ho to so wɔ adwumayɛ tebea pɔtee bi mu, ne sɛnea wobesiw nsu a ɛkɔ akyi no ano yiye. Nea edidi so yi yɛ nsɛntitiriw a wɔpaw no:

Wɔ medium su ho no, ɛsɛ sɛ wɔkyerɛkyerɛ medium no su mu pefee, na ɛsɛ sɛ wɔpaw check valves a ɛfata ma gas flow su ma gas pipelines, te sɛ rotary valves; Wobetumi apaw nsu ho nsɛm a ɛyɛ nsu sɛ nea ɛma nneɛma so wɔ adwumayɛ tebea a ɛfata mu; Ɛsɛ sɛ nsu a ɛyɛ hyew nhyehyɛe no susuw sɛnea ɛyɛ den ma nsu a ɛyɛ hyew a ɛkɔ soro ne nsu a ɛyɛ nwini a ɛma nsu tɔ no ho, na ɛtɔ mmere bi a, diaphragm type no fata kɛse. Sɛ medium no yɛ corrosive, te sɛ acid anaa alkali solutions a, ɛsɛ sɛ wɔpaw check valves a wɔde nneɛma a ɛko tia nsɛe ayɛ. Wobetumi de polytetrafluoroethylene ayɛ valve discs a ɛyɛ den, na ɛsɛ sɛ wɔpaw dade a ɛnyɛ den ma nkyene a ɛwɔ nsɛm ho amanneɛbɔ te sɛ po mu nsu mu. Nsu a ɛyɛ den a ɛkorɔn no nya check valve a wobue ne nea ɛto mu no a ɛyɛ mmerɛw no so nkɛntɛnso. Sɛ wopɛ nsu a ɛwɔ nsu a ɛyɛ den kɛse a, kwati sɛ wobɛpaw nea ɛma nneɛma so a ɛwɔ nsu a ɛsen kɛse a ɛko tia no, na susuw rotary anaa butterfly type no ho. Wɔ media a ɛwɔ nneɛma nketenkete a ɛyɛ den ho no, ɛsɛ sɛ wɔpaw check valves a ɛwɔ wear resistance pa. Wobetumi de aduru a ɛyɛ den ayɛ valve discs ne nkongua a wɔde fa nsu mu te sɛ atopae a wɔde gu mu no, anaasɛ ɛsɛ sɛ wɔpaw valve ahorow a ɛyɛ soronko a wɔde di akɔneaba.

Sɛ yɛhwɛ adwumayɛ ho nsɛm a, paw A .Hwɛ valve no mu .a ɛwɔ nominal pressure (PN) a ɛfata a egyina adwumayɛ nhyɛso a ɛwɔ pipeline nhyehyɛe no mu so. Ɛsɛ sɛ nhyɛso a ɛwɔ din mu no yɛ kɛse sen adwumayɛ nhyɛso a ɛsen biara no na ɛma ahobammɔ bi fi hɔ. Sɛ yɛhwɛ ɔhyew ankasa a ɛwɔ medium no mu a, hwɛ hu sɛ check valve no kata ɔhyew a ɛwɔ hɔ no so, na nneɛma ahorow wɔ ɔhyew ahorow a ɛfata. Paw check valve a ɛwɔ nominal diameter (DN) a ɛfata a egyina nsu a ɛsen wɔ pipeline nhyehyɛe no mu so, a ɛsɛ sɛ ɛne pipeline no ntwemu hyia. Wobetumi apaw kɛse no denam flow resistance characteristic curve a wɔbɛtwe adwene asi so no so.

Wɔ instɔlehyɛn ahwehwɛde ahorow mu no, check valve ahorow ahorow wɔ ahwehwɛde ahorow ma instɔlehyɛn gyinabea ahorow. Mpɛn pii no, wɔde nea ɛma nneɛma so no si nsu nhama a ɛkɔ soro mu, wɔmfa nsiw swing type no ano, na wɔde ntontom no su no si nsu nhama a ɛda hɔ no mu. Ɛsɛ sɛ nsu a ɛsen fa medium no mu no fi ase kɔ soro. Ɛsɛ sɛ instɔlehyɛn kwan no ne valve nipadua agyan no kwankyerɛ hyia. Ɛsɛ sɛ nea wɔapaw no susuw beae a wɔde besisi no ho na paw check valve a ɛwɔ nhyehyɛe a ɛyɛ mmerɛw na ne kɛse fata.

Wɔ adwumayɛ ho ahwehwɛde ahorow mu no, ɛsɛ sɛ wɔpaw check valves sɛnea nhyehyɛe no mu nsɔano ahwehwɛde ahorow te. Wɔ nhyehyɛe a ɛwɔ leakage ahwehwɛde a emu yɛ den ho no, ɛsɛ sɛ wɔpaw soft seal structure check valves a ɛwɔ sealing performance pa. Wɔ nhyehyɛe ahorow a ɛyɛ mmerɛw wɔ nhyɛso nsakrae ho no, paw check valves a ɛwɔ nhyɛso nsonsonoe nketenkete a ɛbue ne nea wɔde to mu. Ɛsɛ sɛ bere tenten mu adwumayɛ nhyehyɛe ahorow a ɛkɔ so no susuw ɔsom asetra a .Hwɛ valve ahorow no mu .na paw nneɛma a wotumi de ho to so na ɛyɛ papa.