butterworth cover

oru charakk kappalinte dekkile oru hatch aanu butterworth cover (butterworth hatch, butterworth plate ennivayum), athu thaazheyulla sthalathekku praveshikkunna oru cheria thuramukham adaykkaan upayogikkunnu.
draavaka uthppannangal kondupokunnathinu upayogikkunna enna tankerukalilum mattu samudra kappalukalilum, sample, parisodhana, alakkal, vrithiyaakkal thudangiya vividha kaaranangalal oro tankilekkum deck anuvadikkunnathinu cheria sarvees ooppaningukal undu. sarvees ooppaning upayogathilillaathappol, athu neekkam cheyyaavunna oru cover plate upayogichu seal cheiyunnu, ithu saadhaaranayaayi butterworth cover ennu vilikkunnu. butterworth haachukal pradhana axus haachukalalla, marichu sarvees haachukalaanu, avaa saadhaaranayaayi oru loha cover plate upayogichu adaykkukayum oru gasket upayogichu deckil ninnu ottikkunna niravadhi bolttukal upayogichu deckil urappikkukayum cheiyunnu. plettinte arikukalile dwaarangal eee bolttukalkku mukalilaayi cherukayum cover andipparippukalo naaykkalo upayogichu kettukayum cheiyunnu.
thaazheyulla tankle marddam vardhikkukayum butterworth cover ashradhamaayi neekkam cheyyukayum cheyyumbol neeravi apakadangal sambhavikkam. butterworth haachukal niravadhi samudra nashtangalkku kaaranamaayittund. yunaittad stetsil, butterworth haachukaludeyum kavarukaludeyum aavasyakathakal chattangal nirddeshikkunnu.

