An ƙera bawul ɗin ƙwallon trunnion mai ƙarfi don ayyukan bututun mai ƙarancin zafi kamar LNG da aikace-aikacen iskar gas. Bawul ɗin yana bin ƙa'idodin API 6D kuma ya dace da yanayin aiki mai ƙarfi.
Kayan jikin shine ASTM A350 LF2 carbon steel mai ƙarancin zafin jiki, wanda aka saba amfani dashi don aikin cryogenic. Girman bawul shine inci 14 (DN350) tare da ƙimar matsin lamba na Aji 900 / PN150. Nau'in haɗin shine RTJ flange.
Ana amfani da ƙirar ƙwallon da aka ɗora da trunnion don inganta kwanciyar hankali na aiki da rage lalacewar kujeru yayin buɗewa da rufewa. Sau da yawa ana amfani da wannan tsarin don manyan bawuloli na ƙwallon da ke da matsin lamba mai yawa.
Ana iya amfani da bawul ɗin a masana'antun samar da iskar gas, bututun mai, ayyukan sinadarai na man fetur, da sauran tsarin masana'antu masu ƙarancin zafin jiki inda ake buƙatar ingantaccen aikin rufewa.