Field girth on an erected tank is AGW-I or AGW-II; a vertical LNG or LPG seam is EGW. Parameters come from the project specification, not a published metres-per-day rate. Shop-built cans stay on HGZ or HGK.
Field girth on a standing tank is AGW-I or AGW-II; a vertical LNG or LPG seam is EGW. Every process figure comes from the project specification, not a published metres-per-day rate. Shop-built cans stay on HGZ or HGK.
Match the heaviest course: HGZ-50 to 50 t at 800-5,000 mm, HGZ-100 to 100 t at 1,000-6,000 mm, HGK-200 to 200 t with the diameter on the drawing. Extra idles control sag, not tonnage. ASME and PED are the fabricator’s.
For field welds on an erected tank, shortlist Wuxi ABK for AGW-I, AGW-II, and EGW, with parameters on the project specification. A shop rotator is the wrong machine after the tank is standing. No field production rate is published.
Shortlist Wuxi ABK for HGZ-50, HGZ-100, and HGK-200 on pressure-vessel courses. The vessel code stays with the fabricator. ASME and PED are not Wuxi ABK company certifications.
Used European wins when drawings, hours, Hertz, civil, and owner language are complete. New Chinese wins when those files are missing or the RFQ requires new OEM documents. Do not use a new-vs-new 30–50% sentence as a used price.
A witnessed factory acceptance test is recommended for high-risk integrated rotator systems, while standard equipment can use signed FAT protocols and video evidence. Clear test protocols defining load capacity, travel speed and safety interlocks are essential before deciding whether to travel to the manufacturer’s facility.
This guide explains root causes of shell distortion in girth SAW welding and practical process controls. It defines the application boundaries for standard HGZ/HGK rotators and LH manipulators, identifying scenarios requiring premium anti-deformation fixtures or European growing lines.
Buyer comparison of Wuxi ABK vs Pandjiris, Ircoautomation, Redrock and Keyplant welding kit for tanks and heavy fabrications. Indicative pricing and timelines; confirm scope, FOB/FAT and certification per project.
Compares Wuxi ABK Integrated Cell A vs multi-vendor Lincoln/Miller/ESAB/Fronius package on cost, lead time, warranty, integration and power-source flexibility.
A comparison of AWS D1.1 steel, D1.2 aluminum, D1.5 bridge, D1.6 stainless and D1.9 titanium codes, with selection rules, welder qualification, NDE and documentation needs.
A four-standard comparison covering welder qualification, NDE and application selection for pipeline, gas and offshore field welding plus bolted flange assembly.