Auto and General Castings Pvt. Ltd. Offers Low Pressure LPG Gas Regulators. Auto and General Castings Pvt. Ltd. Is an ISO 9002 certified company. Low Pressure LPG Gas Regulators mainly deal in LPG products or equipments. These are designed to control flow of LPG under extreme variations of LPG pressure in the cylinder. The notable features of the Low Pressure LPG Gas Regulators include - compact design, durable pressure die casted zinc alloy body, low friction mechanism, corrosion resistant stainless steel regulating spring, nitrile rubber moulded diaphragm and conformance to Indian Standard IS : 9798.