... Iron & Steel, Oil Refinery, Petro-Chemicals, Fertilizers & Chemicals, Air separation Plants, Thermal Power PlantProvide ... used in mining, construction, machinery, chemical industry, metallurgy, transportation and air separation, instrument ... 20structure typeZMDMcompressed mediumOxygenOxygenNitrogenNitrogencooling stylewater coolinglube style for cylinderoil freeoil freeoiloil freeNo. of row3424No ...