Feb 10, 2017 · LNG models for double walled tanks with narrow inner/outer shell spacing. Specifications:Adopt CO2 gas shielded or mixed gas shielded for dual shield FCAW welding process; With the advantage of multiple pass low heat input welding for thin carbons steel tanks, cryogenic LNG storage tanks requiring multiple pass vertical welding
Automatic LNG Storage Tank Welding Machine (arc welding machine) US $5,000-20,000 / Piece High Quality Tank Construction Welding Machinery Electrogas Welder - Tank Welding Automatic Tank Welding Electrogas welder. EGW-V:(Electrogas Welder) upward installation electrogas (arc) welding machine, for traditional storage tank welding; which is also know as a (AVW) automatic vert welder. EGW-V/D:(Electrogas Welder) inverse installation electrogas (arc) welding machine, for jacking construction of storage tank; which is also know as a (AVW) automatic vert welder.
Full containment has become the most commonly built LNG tank type due to its safety and economical value. FULL CONTAINMENT LNG TANK The inner tank is made of 9% Nickel steel and the outer tank is made of Pre-stressed con-crete (PC). Between the inner and outer tank there is a vapor barrier made of thin carbon steel plate and many diff erent types of DC arc welding machine for welding liquefied gas storage The model is ZX7-400S/ZX7-400STG. This equipment is mainly used for welding small parts of liquefied gas storage tanks such as flange joints and Level gauge, etc. Hand arc/argon arc welding is used when welding LNG tanks because this series of arc welding machines have ideal static and external characteristics and good dynamic characteristics.
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