• A-4 ~Spool Type Rubber Expansion Joint

    A-4 ~ Spool Type Roba Mgbakwunye Joint

    A na-akpụzi ụdị nkwonkwo rọba ahụ, a na-eme ka olu olu ya sie ike n'olu. The ST stype na-eji mgbanaka na-ejide ọkụ iji kwado flange. STF juputara n'igwe ogugu, na 50% nke ST na - emeghari mmeghari, mana o nwere oge opupu ihe ubi 4 ugboro karịa oghere achọrọ.