
double check walve

double check walve yaa double check assembly (dee. see. aeye.) ack backflow roktham upkaran haye jise paani kii aapoorti koo sandushan seey bachaane key liye design kiya gayaa haye. yeh dou-tarfa jaanch valve (kabhi-kabhi galati seey dou baar jaanch karane vaale valve key roop mein sandarbhit) seey alag haye joe bhaari trucks parr vayu break pranali mein upayog kiya jaataa haye joe uchchatam dabaav srot seey chunate hain.
isamen dou check valve hotey hain jinhen shrinkhala mein ikattha kiya jaataa haye. yeh dou sanchaalan siddhanton koo niyojit kartaa haih pahala ack check valve abhee bhee kaary karega, bhale hii doosara jaam hoe. doosara, ack valve key bund honey seey dusare key dabaav antar mein kamee aatee haye, jisase adhik vishvasaniya muhar lugg jaati haye aur mamuli risaav seey bhee bachaa jaa sakata haye.
chhote valve itane saghan hoe sakate hain kii vishesh roop seey jaba way maujooda null (null) key nikaayon mein ekikrit hotey hain tou mushkil seey dhyaan dene yogya hotey hain. algaav aur pareekshan key liye badey check valve koo chhor parr ball valve key saath sthaapit kiya jaa sakata haye. aksar, pareekshan cox (bahut chhote gend key valve) pareekshan upkaran koo jodane key liye yeh mulyankan karane key liye hotey hain kii kyaa double check assembly abhee bhee karyatmak haye.
double check walve assembly peeth key dabaav aur peeth key siphonase kii roktham key liye upayukt haye, lekin uchch jokhim vaale anuprayogon key liye upayukt naheen haye. iska upayog aamtaur parr lonn sinchai, fayer sprinkler aur comby-boiler pranaliyon parr kiya jaataa haye. yadi khatra adhik haye, tou apekshaakrit cumm khatra jaise kii fayer sprinkler pranali mein antifries kaa upayog karna, tou ack adhik vishvasaniya check walve jaise kii cumm dabaav kshetra upkaran anivarya kiya jaa sakata haye.
dohare jaanch valve.
ack dohra jaanch backflow nivaarak sanchaalan mein ack dohare jaanch valve key samaan haye. isamen dou swatantra spring-loaded check valve hain. haalaanki, dohare jaanch valve mein aamtaur parr bund karane vaale valve shamil naheen hotey hain, pareekshan cox yaa port seey susajjit hoe sakate hain yaa naheen bhee hoe sakate hain, aur aam taur parr dohare jaanch valve kii tulanaa mein cumm vishvasaniya hotey hain.