Hypertherm XPR170 - Regulators for Supply Gases

Qualifications and Requirements
2
XPR170 Instruction Manual 810060 49
 For the best results, use the recommended torque specifications for plumbing and hose
fittings. Refer to Table 11 on page 53.
 You can use rigid copper pipes.
 Do not use steel or aluminum.

Supply-gas hoses are available from Hypertherm. Refer to Supply hoses
on page 390.

All installer or user-supplied equipment must meet applicable national and
local codes for supply gas and supply gas plumbing. Contact a licensed
plumber for more information about the codes in your location.
Hypertherm recommends an internal diameter of at least 10 mm (0.375 inch) for supply-gas hoses
that are 76 m (250 feet) or less. Table 8 on page 49 describes the recommended sizes for gas
fittings.
Table 8 – Recommended sizes for gas fittings

The location of regulators and the number of elbow fittings can have an
effect on inlet pressure. If the inlet pressure for your cutting system is not
within recommended specifications, contact your cutting machine
supplier or regional Hypertherm Technical Service team.
Fitting type Size
N
2
/ Ar 5/8 inch – 18 RH, internal (inert gas) “B”
Air 9/16 inch – 19, JIC #6
F5 / H
2
9/16 inch – 18, LH (fuel gas) “B”
O
2
9/16 inch – RH (oxygen)
NOTICE
PTFE TAPE CAN CAUSE CLOGGED VALVES, REGULATORS, AND TORCHES
Never use PTFE tape on any joint preparation. Use only a liquid or paste thread sealant on male thread
ends.