. chemical cleaning by immersion or in situ, is recommended for stubborn deposits. with shell and tube heat exchangers the removal of the end covers or, in the case of the smaller heat exchangers, the headers themselves, will provide access to the tubes. obstructions, dirt and scale can then be removed...
. chemical cleaning by immersion or in situ, is recommended for stubborn deposits. with shell and tube heat exchangers the removal of the end covers or, in the case of the smaller heat exchangers, the headers themselves, will provide access to the tubes. obstructions, dirt and scale can then be removed...
. chemical cleaning by immersion or in situ, is recommended for stubborn deposits. with shell and tube heat exchangers the removal of the end covers or, in the case of the smaller heat exchangers, the headers themselves, will provide access to the tubes. obstructions, dirt and scale can then be removed...
in north west bc canoeing & kayaking canoeing & kayaking around vancouver island & bc islands canoeing & kayaking in greater vancouver canoeing & kayaking in the fraser valley canoeing & kayaking on vancouver's north shore canoeing & kayaking in whistler and sea to sky canoeing & kayaking in desolation...
in north west bc canoeing & kayaking canoeing & kayaking around vancouver island & bc islands canoeing & kayaking in greater vancouver canoeing & kayaking in the fraser valley canoeing & kayaking on vancouver's north shore canoeing & kayaking in whistler and sea to sky canoeing & kayaking in desolation...
scottish trails uk short breaks national trails whisky & walking in scotland cotswold holidays most popular in uk hadrian's wall walk west highland way cotswold way coast to coast south west coast path great glen way scottish island hopscotch sea to sea cycle scottish coast to coast mountainbike west...