penumatic casing spider Model QD450(API500)QD315(API350)QD135(API150)Applicable range mm113-340113-34060-139.7in41/2-133/841/2-133/823/8-51/2Rated load kN450031501350(31/2) 900(51/2)US ton500350150(31/2) 100(51/2)Pressure MPa0.5-0.90.5-0.90.5-0.9psi72-13072-13072-130Size elevator mm1390*1290*9151335*1040*806990*645*550in55*51*3652.5*41*31.739*25.4*21.6spider mm1390*1290*9701335*1040*872810*730*560in55*51*3852.5*41*34.231.9*28.7*22Weightkg990075501430lb21820166403152