Spade da Ring Spacers (wanda ake kira su 'spectacle blind' ko 'figure-8 blind') suna amfani da su a cikin sistem na kwayoyi don gudanar da wani hanyar ko fuskantar wani bangare na kwayoyi a lokacin gudanar da ayyukan, tsarin fuskantar da pressure ko ƙoƙarin shiga. Su ne a amfani da su a yawa a cikin oil & gas, petrochemical, refinery, water treatment da project na utility, kamar yadda ake amfani da su a cikin Middle East pipeline da oilfield applications.
Spade & ring spacers mu ana samun su daidai da ASME B16.48 standard, da siffa mai nuna abu ne a samuwa, da kara kyau da kara daga cikin pressure ce kamar yadda ake bukatar su da kara daga cikin temperature ce kamar yadda ake bukatar su.
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