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Specification | Tq178/16 | Tq245/20 | Tq340/35 | Tq508/40 | |||
Applicable pipe diameter range mm(in) | 101.6~178 (4~7casing) | 101.6~244.5 (4~9 5⁄8 casing) | 139.7~339.7 (5 1⁄2~13 3⁄8 casing) | 244.5~508 (9 5⁄8~20 casing) | |||
Rated pressure of hydraulic source (MPa) | 12~18 | ||||||
Working air pressure (MPa) | 0.5~0.9 | ||||||
Maximum Torque kN•m | ≧16 | ≧20 | ≧35 | ≧40 | |||
Middle gear torque kN•m | / | ≧6.0 | ≧7.5 | ||||
High gear torque kN•m | ≧2.5 | ≧2.5 | ≧2.5 | ≧3.5 | |||
Low gear speed r/min | 9~14 | 9~14 | 3.6~5.3 | 2.5~3.6 | |||
Middle gear speed r/min | / | 21~30 | 14~20 | ||||
High gear speed r/min | 50~80 | 50~80 | 60~85 | 40~60 | |||




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