Technology Sourcebook
www.foodengineeringmag.com/articles/95702-closed-weld-heads

Closed weld heads
May 9, 2016
Otto Arc TPWH-C weld heads perform autogenous TIG welds on tubes and thin wall pipes from 1/8 to 6 in. in diameter. The heads are compatible with stainless steel, nickel alloys and titanium.
Otto Arc Systems, Inc.; 800-878-2487; www.ottoarc.com