MU IV 195 HW open orbital head for multi-pass hot-wire welding, Ø76–195 mm
Country: · Model: MU IV 195 HW
MU IV 195 HW is an open orbital head for multi-pass TIG welding with hot filler wire, for tubes of Ø76–195 mm. It is intended for pipelines of medium wall thickness in power, chemical and oil and gas applications. It belongs to the MU IV series and is designed for high productivity.
- Tube outside diameter
- 76–195 mm
- Process
- TIG with hot wire, multi-pass
- Travel speed
- up to 1500 mm/min
- AVC stroke
- ±20 mm
Technical specifications
| Tube outside diameter | 76–195 mm |
|---|---|
| Process | TIG with hot wire, multi-pass |
| Travel speed | up to 1500 mm/min |
| AVC stroke | ±20 mm |
| Wire feed | built-in, up to 7929 mm/min, 1.5 kg spool, Ø0.8 mm |
| Weight | 15 kg (without cable) |
Specifications are taken from the manufacturer’s technical documentation. Updated .
Description
The head is built on the principle of one size for the whole range. It covers diameters from 76 to 195 mm without replacing the main units and is clamped on one side of the joint by the Grip-it system. The rotation coupling quickly unwinds the cable, and the cable and hose package is reinforced. The TIG torch with an enlarged gas lens has closed water cooling. Motorized AVC and OSC with stepper motors guide the multi-pass weld, and welding speed and wire feed are held by a closed loop. The Polyfil Auto 7929 HW feed mechanism sits on the head itself. Travel speed is up to 1500 mm/min, the AVC/OSC stroke is ±20 mm, wire feed is up to 7929 mm/min, the spool is 1.5 kg, and the wire is Ø0.8 mm. The cable is 9 m, the weight without cable is 15 kg, and the overall diameter of the rotating part is 560 mm.
How to choose
The head is needed when tubes of 76–195 mm are welded with hot wire in several passes. For tubes of 8–195 mm with cold wire or without filler there is MU IV, which has sizes from 8/38 to 76/195 and AVC and OSC options. The source is P6 HW (up to 520 A, hot wire 140 A, three-phase) or PC 600 HW (up to 550 A, hot wire 140 A). Among the accessories an angle gearbox, the "C" version with water-cooled clamping shells, ground tungsten electrodes, a balancer and a case are offered.
Request a price and lead time
MU IV 195 HW open orbital head for multi-pass hot-wire welding, Ø76–195 mm. We reply within one business day.
Or email office@usk.ua or call +38 (044) 339-50-20.
FAQ
What tube diameters does MU IV 195 HW take?
From 76 to 195 mm outside diameter without replacing the main units.
Which sources does this head work with?
With P6 HW for 520 A and the PC 600 HW series sources for 550 A, and the hot wire current for both is 140 A.
What is the maximum wire feed speed?
Up to 7929 mm/min, a 1.5 kg spool, and the recommended wire is Ø0.8 mm.
How much does the head weigh?
15 kg without cable, and the cable length is 9 m.
How many sides of the joint are needed for clamping?
Only one, the head is clamped on one side of the joint using Grip-it.
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Need a price, lead time or replacement?
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