Table 19 - Torque specifications
Gas or water hose dimensions N∙m lbf∙in lbf∙ft
10 mm (3/8 inch) or less 8.5 – 9.5 75 – 84 6.25 – 7
12 mm (1/2 inch) 16.3 – 19.0 144 – 168 12 – 14
25 mm (1 inch) 54.2 – 88.1 480 – 780 40 – 65
Install gas regulators
Complete these steps to install gas regulators for the plasma cutting system.
1. Install the gas regulators before the supply gas plumbing.
For installation steps, refer to the instruction manual for the gas regulator.
2. Put a gas regulator 3 meters (10 feet) or less from the gas connect console, or adjust inlet gas
pressures to be in the tolerances specified in Process-gas requirements for all gas connect consoles
on page 48.
3. After installation, fully pressurize the system, and look for gas leaks.
Your system installer or a licensed plumber can do this for you.
4. Make sure that all gas fittings are tightened to the correct torque specifications.
Refer to Supply gas installation on page 127.
Connect supply gases to Core or CorePlus
Make sure that the supply gas lines are correctly connected to the Core or CorePlus gas connect console.
If you have a VWI or OptiMix gas connect console, refer to Connect the supply gases and shield water to
VWI or OptiMix on page 134.
Before you begin:
■
Make sure that you have the correct supply gas hoses before you connect them.
■
Hypertherm recommends a minimum internal diameter of 10 mm (0.375 inch) for supply-gas hoses that
are 76 m (250 feet) or less.
Installation
3
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811530 Instruction Manual XPR460
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