Toshniwal Brothers [SR] Pvt. Ltd. Offers Non-Lubricated Piston Compressors. Toshniwal Brothers [SR] Pvt. Ltd. Supplies Compressors, Industrial Process Equipments, High Pressure, and Testing Equipments. The Non-Lubricated Piston Compressors are designed for production plants with continuous operation. The Non-Lubricated Piston Compressors are equipped with crank drives for foundation-free installation. For special applications [e.G. Pressurizing systems for isostatic presses], non-lubricated piston compressors up to 58.800 psi [4.000 bar] with hydraulic drive will be used. Non-lubricated piston compressors with crank drive are limited to 2.300 psi to 2.900 psi [160 - 200 bar], depending on the compressed gas. For reaching higher pressures at an oil-free compression, this type of machines can be equipped with a final diaphragm stage. Each compressor will be designed and manufactured in accordance to customer`s specification.