Afe Awiei Ade a Ɛyɛ Paara DN400 Flanged Backflow Preventer QT450 Nipadua a Wɔayɛ no TWS

Nkyerɛmu:

Slight resistance Non-return Backflow Preventer (Flanged Type) TWS-DFQ4TX-10/16Q-D - yɛ nsuo sohwɛ nkabom afiri bi a yɛn adwumakuo no ayɛ, a wɔde di dwuma titire ma nsuo a ɛfiri nkuropɔn mu unit kɔ general sewage unit no anohyetoɔ katee wɔ pipeline nhyɛsoɔ so sɛdeɛ ɛbɛyɛ a nsuo a ɛsen no bɛtumi ayɛ ɔkwan baako pɛ. Ne dwumadie ne sɛ ɛbɛsiw nsuo afiri no akyi nsuo anaa tebea biara a siphon a ɛsen kɔ akyi no ano, sɛdeɛ ɛbɛyɛ a wɔbɛkwati efĩ a ɛbɛsan akɔ akyi.

Esu:

1. Ɛyɛ nea ɛyɛ pɛpɛɛpɛ na ɛyɛ tiaa; ɔsɔretia kakra; nsu a wɔkora so (nsu a ɛkɔ nsu mu a ɛnyɛ ne kwan so biara nni hɔ wɔ nsu a wɔde ma no nhyɛso a ɛsakrasakra sɛnea ɛte daa no mu); ahobammɔ (wɔ nhyɛso a ɛyera wɔ ɔkwan a ɛnteɛ so wɔ nsuo a ɛwɔ soro nhyɛsoɔ nsuo a wɔde ma mu no, nsuo a ɛkɔ nsuo mu no tumi bue wɔ berɛ ano, na ɛda mpan, na mfimfini abura a ɛwɔ backflow preventer no di kan wɔ nsuo a ɛwɔ soro no so bere nyinaa wɔ mframa mu mpaepaemu mu); on-line detection and maintenance etc. Wɔ adwuma a ɛyɛ daa ase wɔ sikasɛm mu nsuo a ɛsen mu no, nsuo a ɛsɛe ade no designis 1.8 ~ 2.5 m.

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3. Pɛpɛɛpɛ nhyehyɛe a drain valve, drain nhyɛso betumi asiesie nhyɛso nsakrae bo a wɔatwa nsu a wɔde ma nhyehyɛe, akwati interference nhyehyɛe nhyɛso nsakrae. On-off dwoodwoo na wotumi de ho to so, nsu a ɛretu a ɛnyɛ ne kwan so biara nni hɔ.

4. Kɛse diaphragm control cavity nhyehyɛe ma ahotoso a ɛwɔ afã atitiriw no ye sen nea afoforo backlow preventer, ahobammɔ ne ahotoso on-off ma drain valve.

5. Nneɛma a wɔaka abom a ɛyɛ kɛse diameter drain opening ne diversion channel, complementary intake ne drainage wɔ valve cavity no nni drainage haw biara, anohyeto koraa to hokwan a ebetumi aba akyi down stream ne siphon flow reversals ba.

6. Humanized design betumi ayɛ intanɛt so sɔhwɛ ne nsiesie.

Nnwuma a Wɔde Di Dwuma:

Wobetumi de adi dwuma wɔ efĩ a epira ne hann efĩ mu,ma awuduru efĩ,ɛsan nso de di dwuma sɛ entumi nsiw backflow ano denam mframa a wɔatew wɔn ho so a;
Wobetumi de adi dwuma wɔ fibea a branch pipe wɔ efĩ a epira ne nhyɛso a ɛkɔ so sen,na wɔmfa nni dwuma wɔ siw backlow of
efĩ a awuduru wom.

Nsusuwii ahorow: