Comparison of the heat insulation requirements for building envelopes between EnEV 2007 and EnEV 2009. The heat insulation requirements for building envelopes depending on reference values and various conditions have been changed from EnEV 2007 (German Building Energy Conservation Ordinance) to EnEV 2009....
A bell nipple with sufficient side outlet diameter to ensure efficient fluid circulating system was designed and installed above the top of the BOP stack. During the HWU rig up, the height of the unit was kept as low as possible to ensure unit stability during operation, without further ...