(Size: 1" DN25 NPT. 5) Valve and pipe connections are tight enough torque required force, a force the size of torque values are as follows: DN15 to 40Nm, DN20 to 50Nm, DN25 to 70Nm, DN32 to 150Nm, DN40 to 150Nm, DN50 to 170Nm, DN80 to 240Nm, DN100 is 300Nm.
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