Top Drive Valve (Kelly Valve)

• External diameter(mm)> 197 mm(7 3/4)

• Internal diameter(mm)> 76.2 mm(3)

• Rated working pressure (MPa)> 35 MPa .70 MPa.105 MPa (optional pressure rating)

• Lowest working pressure (MPa)> 1.7 MPa

• Rated opening / closing rotation torque (N.m)> 55~110N.m

• Working torque(N.m)> 20~82

• Max tensile load of valve body (kN)> 4410 kN(450t)

• Maximum torsion moment (kN.m)> 46 kN.m

• Both-end thread (REG)> 6 5/8 REG(optional)