Gate valve ampongbalbula ning parul parehu lang maglarin keng pamagbayu ampo pamagregulate keng danum keng pamangamit keng pipeline. syempre, atin pa muring paralan ing pamamili keng butterfly valve ampo ing gate valve. Para mabawas ing lalam ning gabun a makabalut keng pipeline keng water supply network, keraklan deng mas maragul a diameter a pipe atin lang butterfly valves, na alang epektu keng lalam ning gabun, ampo magsikap lang mamili kareng gate valves.
Nanu ing pamiyaliwa ning butterfly valve ampo ing gate valve?
Agpang keng obra ampo pamangamit ning gate valve ampo butterfly valve, ing gate valve atin yang malating flow resistance ampo masanting a pamag-seal. Uling ing direksyun ning danum ning gate valve plate ampo ing medium atyu ya keng vertical angle, nung ing gate valve ali ya mipalitan keng valve plate, ing pamag-scour ning medium keng valve plate gawan na yang mag-vibrate ing valve plate. , Madaling masira yung seal nung gate valve. Ing butterfly valve, kilala ya naman bilang flap valve, metung yang uri ning regulating valve a maki simpleng istruktura. Ing butterfly valve na malyaring gamitan para keng on-off control ning low-pressure pipeline medium mangabaldugan na ing closing member (disc o butterfly plate) metung yang disc, na mag rotate keng valve shaft para mika opening ampo closing. Metung a valve a malyaring gamitan para kontrolan ing dagus da reng miyayaliwang uri ning likidu antimo ing angin, danum, singaw, miyayaliwang corrosive media, gabun, laru, liquid metal ampo radioactive media. Iti ing gagawang papil ning pamagputol ampo pamag-throttle keng pipeline. Ing butterfly valve opening and closing part metung yang disc-shaped butterfly plate, na mag rotate keng sarili nang axis keng katawan ning valve para akwa ing sangkan ning pamagbukas ampo pamagsara o pamag adjust. Ing butterfly plate tutulak ne ning valve stem. nung maging 90 ya°, malyari yang kumpletu ing metung a pamagbukas at pamagsara. kapamilatan ning pamagbayu keng deflection angle ning disc, ing daloy ning medium malyari yang makontrol.
Kondisyun ning obra at medium: Ing butterfly valve masanting ya para keng pamagdala kareng miyayaliwang corrosive ampo non-corrosive fluids keng engineering systems antimo ing producer, coal gas, natural gas, liquefied petroleum gas, city gas, mainit ampo marimlang angin, chemical smelting ampo power generation environmental protection, suplay ning danum keng gusali ampo drainage, atbp. ayusan at pututan ing daloy ning medium.
Ing gate valve atin yang opening ampo closing member gate, ing direksyun ning kimut ning gate perpendicular ya keng direksyun ning fluid, ampo ing gate valve malyari ya mung lubus a mibuklat ampo lubus a makasara. Para mas masanting ing pamaglalang naor abilidad at gawan para keng pamaglipat ning sealing surface angle kabang magprosesu, ining gate ayni awsan deng elastic gate.
Nung makasara ya ing gate valve, ing sealing surface malyari ya mung magdependi keng medium pressure para makaseal, buri ng sabyan, magdependi yamu keng medium pressure para i-press ing sealing surface ning gate keng valve seat keng aliwang gilid para siguraduan ing sealing surface, na self-sealing. keraklan kareng gate valves makasara la, buri ng sabyan, nung makasara ya ing valve, kailangan yang ipilit ing gate keng valve seat kapamilatan ning panlual a pwersa para masiguradung masipit ing sealing surface.
Movement mode: Ing gate ning gate valve kikimut ya keng matulid a linya keng valve stem, na awsan da namangOS&Y gate valve. Keraklan, atin yang trapezoidal a sinulad ing lift rod. Kapamilatan ning nut keng babo ning balbula ampo ing guide groove keng katawan ning balbula, ing rotary motion mibayu ya keng linear a kimut, ngana wari, ing operating torque mibayu ya keng operating thrust. Potang mibuklat ya ing balbula, nung ing katas ning gate katumbas ne ning 1:1 besis ing diametru ning balbula, ing fluid channel ganap yang alang sagabal, dapot e ya malyaring bantayan ing posisyun a ini kabang mag-operate ya. keng tutuking pamangamit, ing apex ning valve stem magagamit yang tanda, buri ng sabyan, ing posisyun nung nukarin ya malyaring buklat, bilang ing kayang ganap a makabuklat a posisyun. Para abalu ing lock-up phenomenon pauli ning pamagbayu ning temperatura, keraklan makabuklat ya keng babo a posisyun, at kaybat mibalik ya keng 1/2-1 turn, bilang posisyun ning ganap a makabuklat a balbula. Uli na niti, ing ganap a makabuklat a posisyun ning balbula makayagpang ya agpang king posisyun ning pasbul (ie stroke). Deng mapilan a gate valve stem nuts makabili la keng gate, at ing pamag-ikot ning handwheel ing mag-drive keng valve stem para mag-rotate, na gagawang gate lift. Ing klasing balbula ayni awsan deng Rotary stem gate valve oNRS gate valve.
Oras ning pamagpost: Jul-14-2022
