... type:U ,W,UL,WL,Rod . 3 Dia(mm):3/6,4/9,6/12,9/18,12/24 4. perfect after-sales ... WL, Rod . Material grade :M1700,M1800,M1900.2) Standard dimension (mm):3/6,4/9,6/12,7/14,9/18,12/24. ... looad of hot zone(W/cm²)<18<15<12<10<88. Installation of elements1)vertically hangingUnder normal ... support clampSupport clamp are applied to 9/18 and 6/12 two kinds of elements respectively. the support clamp ...