International Society of Automation (ISA) is commonly used as the guide, but they are not the only organization so there are different possibilities. Below is a page from ISA to show their shell and tube heat exchanger symbol. The symbol is under the Shell and tube heat exchanger.
These Boiler Blowdown Coolers are ideal for Boiler and Steam Sampling. Fast shipping from Pennsylvania to New York and California. Made of Stainless Steel. Stocked in Atlanta, Georgia.
These Boiler Blowdown Coolers are ideal for Boiler and Steam Sampling. Fast shipping from Pennsylvania to New York and California. Made of Stainless Steel. Stocked in Atlanta, Georgia.