The pressure vessel in a firetube boiler consists of four distinct elements: a shell, furnace, tube sheets, and tubes. The number of tube sheets differs based on whether it is a wetback or dryback ...

The pressure in your stomach and esophagus blood vessels also rises and leads to varices, or swollen veins. This can cause life-threatening bleeding. ‌ Bleeding can also be caused by:‌ ...

Chil-Con brand shell and tube condensers incorporate proprietary Chil-Flux enhanced-surface copper tubes for maximum heat transfer capability. ... Heat Transfer Products and Pressure Vessels, attn: ...