Neuman and Esser Eng. India Pvt. Ltd. Supplies Oil Wiper Packing to Avoid Leakages. Neuman and Esser Eng. India Pvt. Ltd. Supplies Compressors as well as Grinding and Classifying Systems. The Oil Wiper Packing to Avoid Leakages is use to seal elements to avoid leakages of driving mechanism oil via the piston rod into the distance piece. For that purpose a very precise manufacturing of wiping edges is required so that with all rod movements whatsoever no oil leakages can occur.