Dbb Ball Valve Double Block ndi Bleed Ball Valve China Manufacture
Kodi valavu ya mpira wa DBB ndi chiyani?
Chotsekereza Pawiri Ndi Vavu ya Bleed Ballndi valavu yapadera yopangidwa ndi mpira.
ponena za Double block and bleed valve system, pali matanthauzo awiri a API6D ndi OSHA.
API 6D imatanthauzira aDouble Block ndi Bleed ValveDongosolo ngati "valavu imodzi yokhala ndi malo awiri okhalapo omwe, pamalo otsekedwa, amapereka chisindikizo motsutsana ndi kukakamizidwa kuchokera kumalekezero onse a valve ndi njira yogulitsira / kukhetsa magazi pakati pa malo okhala."
OSHA imatanthauzira aDouble Block ndi Bleed ValveDongosolo ngati "kutseka kwa mzere, njira, kapena chitoliro potseka ndi kutseka kapena kuyika ma valve awiri olowera mkati ndi kutsegula ndi kutseka kapena kuyika chizindikiro cha kukhetsa kapena kutulutsa mpweya pakati pa ma valve awiri otsekedwa".
ndiNORTECH block iwiri ndi valavu ya mpira wotulukazopangidwapophatikiza ma valve awiri kukhala thupi limodzi, mapangidwe a valve amapasa amachepetsa kulemera ndi njira zomwe zingathe kutuluka pamene akukumana ndi zofunikira za OSHA pawiri block ndi magazi.
Zofunikira zazikulu za valavu ya mpira wa DBB
Single UnitDBB Ball Valveamapereka chipika iwiri ndi magazi mu valavu imodzi.Kalembedwe kameneka kamatha kusiyanitsa mipope mbali zonse ziwiri za valavu kuti itulutse / kutulutsa magazi pakati pa mipando.
DBB Ball ValveKuphatikizika kwa valavu imodzi kapena zingapo zodzipatula, nthawi zambiri mavavu a mpira, ndi mavavu amodzi kapena angapo otulutsa magazi, nthawi zambiri mavavu a mpira kapena singano.Cholinga cha block and bleed valve system ndikudzipatula kapena kutsekereza kutuluka kwa madzi mu dongosolo kuti madzi otuluka kumtunda asafikire zigawo zina za dongosolo lomwe lili pansi.Izi zimathandiza mainjiniya kukhetsa magazi kapena kutulutsa kapena kukhetsa madzi otsala kuchokera kumadzi otsalira kunsi kwa mtsinje kuti agwire ntchito yamtundu wina (kukonza / kukonza / kusintha), sampuli, kusokoneza madzi, kubayidwa mankhwala, kuwunika kukhulupirika kwa kutayikira etc. .
Kugwiritsa ntchito kagawo kakang'ono kawiri ndi ma valve otulutsa magazi motsutsana ndi ma valve atatu osiyana kumapulumutsa nthawi yoyika, kulemera kwa mapaipi, ndi malo.Mapangidwe awa alinso ndi maubwino ogwiritsira ntchito,
- Pali njira zochepera zotayikira mkati mwa midadada iwiri komanso gawo lotulutsa magazi la mapaipi.
- Ma valve ndi odzaza ndi orifice osasunthika ndipo ali ndi kutsika kocheperako pa unit.
- Mapaipi omwe mavavuwa amaikidwa amathanso kukumbidwa popanda vuto lililonse.
Mafotokozedwe aukadaulo a valavu ya mpira wa DBB
Chiwonetsero chazinthu: Vavu ya mpira wa DBB
Kugwiritsa ntchito valavu ya mpira wa DBB
DBB mpira valveamagwiritsidwa ntchito kwambiri m'makampani amafuta ndi gasi, koma amathanso kukhala othandiza m'mafakitale ena ambiri.Amagwiritsidwa ntchito komwe kukhetsa magazi kwa valve kumafunika, pomwe mapaipi amafunikira kudzipatula kuti asamalire, kapena zina mwazinthu izi:
- Pewani kuipitsidwa kwazinthu.
- Chotsani zida kuntchito zoyeretsera kapena kukonza.
- Kuyeza kwa mita.
- Dzipatulani zida monga zizindikiro za kuthamanga ndi ma lever gauges.
- Pulayimale ndondomeko nthunzi.
- Zimitsani ndi kutulutsa zida zoyezera kuthamanga.
