pneumatic casing spider 1.standard:API Spec 8A Specification 2.the best price 3.delivery prompt 4.high quality service penumatic casing spider ModelQD450(API500)QD315(API350)QD135(API150)Applicable rangemm113-340113-34060-139.7in41/2-133/841/2-133/823/8-51/2Rated loadkN450031501350(31/2) 900(51/2)US ton500350150(31/2) 100(51/2)PressureMPa0.5-0.90.5-0.90.5-0.9psi72-13072-13072- ...
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