合肥庐江县巢湖市壳簰透平油-压缩机油经出点国外空气压缩机油的规格标准有德国DIN 51506和***/DP 6521.3，而***有代表性的压缩机油的标准是德国工业标准DIN 51506。该标准是在20世纪70年代，因关心空气压缩机的安全性而提出来的。该标准中包含了VB（VBL）、VC（VCL）和VDL共3种级别的油品，适用于不同负荷空气压缩机的润滑。VB和VC为不含添加剂的纯矿物油，属于轻负荷型空气压缩机油；VBL和VCL则含有***性能的添加剂，属于中等负荷型空气压缩机油：VDL属于高压、重负荷型空气压缩机油The specification standards for foreign air compressor oil include German DIN 51506 and ***/DP 6521.3, with the most representative standard for compressor oil being the German industrial standard DIN 51506. This standard was proposed in the 1970s due to concerns about the safety of air compressors. This standard includes three levels of oil products: VB (VBL), VC (VCL), and VDL, which are suitable for lubrication of air compressors with different loads. VB and VC are pure mineral oils without additives, belonging to light load air compressor oil; VBL and VCL contain anti-aging additives and belong to medium load air compressor oil; VDL belongs to high pressure and heavy load air compressor oil