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  Complete Heat Exchanger Services
 
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Certifications
 
 
   
 
ASME “U”, “S” & “R” Stamp
ASME Section VIII, Division 1 & TUV
Welding to ASME Section IX
ASME Code design and calculations
ASME certified welding procedures
 
     
 
Complete Heat Exchanger Services
Replacement Tube bundles - New TEMA Shell & Tube fabrication - Repairs - Custom Designs
Johansing Iron Works started as a full service heat exchanger repair facility. We specialize in retubing, “R” stamp weld repairs, alterations and machining of heat exchangers of all types. We can provide quick turn-around times for replacement U-tube bundles (use our standard Replacement U-Tube Bundle Specification Sheet). For the smaller sizes, we can normally ship within a few days of your order. You will find our pricing very competitive. The design and materials used in tube sheets, baffles, and tubes can be varied to meet your functional requirements and cost considerations. For new construction, send us your Heat Exchanger Specification Sheets. Let our experience assist you with designing the best, most cost-effective unit for your needs.
Hydrogen Cooler
 
Large Lube Oil Cooler Bundle
 
Large Re-tubed Heat Exchanger
 
Replacement Tube Bundle
 
Shell-and-Tube Heat Exchangers
 
Stainless Steel U-Tube Bundle
 
Stainless Steel U-Tube Bundle
 
Tomato Paste Heater
 
 
     
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