HUAHENG TOA77 Medium-Thick-Wall Pipeline Welding Equipment for Pipe-to-Pipe

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Weldable Material	Carbon Steel, Stainless Steel
Tungsten Electrode Diameter(mm)	Φ2.4、Φ3.2
Protective Gas	Argon
Wire Diameter(mm）	Φ1.0（Standard）
Weldable Pipe ID(mm)	Φ19.05～Φ45 (3/4″～13/4″)
Weldable Pipe OD(mm)	Φ45～Φ77 (1 3/4″～3″)

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Product Specification


Weldable Material	Carbon Steel, Stainless Steel	Tungsten Electrode Diameter(mm)	Φ2.4、Φ3.2
Protective Gas	Argon	Wire Diameter(mm）	Φ1.0（Standard）
Weldable Pipe ID(mm)	Φ19.05～Φ45 (3/4″～13/4″)	Weldable Pipe OD(mm)	Φ45～Φ77 (1 3/4″～3″)

Breaking away from traditional enclosed designs, the HUAHENG TOA welding machine features an innovative open-head structure. This breakthrough design enables precise process control while significantly improving operational visibility in industrial environments. The Precision Welding System for Medium-Thick Wall Pipelines delivers seamless performance - effortlessly executing smooth horizontal circumferential welds and navigating complex vertical pipe joints. Its lightweight welding head maintains perfect surface contact throughout operations, ensuring reliable high-precision welding even in the most challenging industrial applications.

Technical parameter

It is fit for fusion welding or wire feeding with external the integrated TB1501 wire feeder with AVC&OSC function.

	TOA77	TOA130	TOA180	TOA230	TOA320
Weldable pipe diameter(mm)	Inner clamp:Φ19.05～Φ45 (3/4″～13/4″)	Inner clamp:Φ38.1～Φ76 (1 1/2″～3″)	Inner clamp:Φ50.8～Φ114.3 (2″～4 1/2″)	Inner clamp:Φ120～Φ178 (4 1/2″～7")	Inner clamp:Φ150～Φ230 (6″～9″)
Weldable pipe diameter(mm)	Outer Clamp:Φ45～Φ77 (1 3/4″～3″)	Outer Clamp:Φ76～Φ130 (3″～5″)	Outer Clamp:Φ114.3～Φ180 (4 1/2″～7″)	Outer Clamp:Φ178～Φ230 (7″～9″)	Outer Clamp:Φ230～Φ324 (9″～12 3/4″)
Tungsten electrode diameter(mm)	Φ2.4,Φ3.2	Φ2.4,Φ3.2	Φ2.4,Φ3.2	Φ2.4,Φ3.2	Φ2.4,Φ3.2
Spinning speed(rpm)	0.19～3.8	0.11～2.2	0.09～1.8	0.05～1.0	0.026～0.52
Yaw width(mm)	20	40	40	40	40
Arc length height(mm)	40	40	40	40	40
Maximum wire feed speed (mm/min)	1800	1800	1800	1800	1800
Main dimensions(mm)
A	220	300	375	425	550
B	180	235	285	300	315
C	112～132	156～196	184～224	195～235	230～270
D	92	165	225	250	297
E	82	132	182	232	328
F	320	400	525	570	680
wight (kg)	5.5 (without cable)	10.8 (without cable)	19.5 (without cable)	21.5 (without cable)	36 (without cable)
Dimensions(mm)	370×220×320	435×300×400	445×375×525	465×425×570	430×610×680

Company Details

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Year Established:

1995 
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100,000,000-200,000,000
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Kunshan Huaheng Welding Co., Ltd.
No.99 WuSongJiang Road, KunShan, JiangSu, PR.China PC.215334
https://www.huahengautomation.com/

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