Oil & Gas Plant Engineers India Private Limited offers Liquid Petroleum Gas - LPG Propane Loading Arms. Oil & Gas Plant Engineers India Private Limited is an ISO 9001:2000 accredited company. Liquid Petroleum Gas - LPG Propane Loading Arms are normally used for connecting tank lorries with storage systems and are much safer as compared to smart hoses or other standard hoses for making this interconnection. Liquid Petroleum Gas - LPG Propane Loading Arms is very critical equipment specially keeping on mind that 90% accidents in the LPG storage systems occur in the unloading area only. The loading arm has in-built safety including dry break emergency couplings and swivel joints.