Chotsekereza Pawiri Ndi Vavu ya Bleed Ball
Kodi Double block ndi valavu yotulutsa magazi 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 kupsinjika 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 Double block ndi valavu yotulutsa magazi
Chotsekereza Pawiri Ndi Vavu ya Bleed BallKuphatikizika 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 otsala kumunsi kwa mtsinje kuti agwire ntchito yamtundu wina (kukonza / kukonza / kusintha), sampuli, kusokoneza madzi, kubayidwa mankhwala, kuwunika kukhulupirika kwa kutayikira etc. .
Single UnitDouble Block ndi Bleed 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.
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.
- Mavavu ali odzaza ndi orifice osasunthika ndipo ali ndi mphamvu yocheperapo kutsika pa unit.
- Mapaipi omwe mavavuwa amaikidwa amathanso kukumbidwa popanda vuto lililonse.
- Zigawo zonse za valve zimayikidwa mu unit imodzi, malo ofunikira kuti akhazikitsidwe amachepetsedwa kwambiri motero amamasula malo a zida zina zofunika.
- Nthawi yocheperako ndiyofunikira.
Katswiri waukadaulo wa Double block ndi valavu yotulutsa magazi
Chiwonetsero cha malonda:
Kugwiritsa ntchito ma block block ndi ma valve otuluka magazi
Ma block awiri ndi ma valve otuluka magaziamagwiritsidwa 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.
- Utumiki wamadzi pafupi ndi madzi kapena ma municipalities.
- Kutumiza ndi kusunga.
- Mankhwala jakisoni ndi zitsanzo.
- Dzipatulani zida monga zizindikiro za kuthamanga ndi ma lever gauges.
- Pulayimale ndondomeko nthunzi.
- Zimitsani ndi kutulutsa zida zoyezera kuthamanga.
