ITEM NAME:Mute oil free air compressor air pump fittings unloading valve drain valve Dz Material: carbon steel Type (channel location): two general formula Connection form: thread Applicable medium: steam Flow direction: one-way Purpose: cut-off Nominal diameter: 10*1 (mm) Working temperature: 100 (c) Packing: 1Pcs.Type (channel location): two general formula. Material: carbon steel. Working temperature: 100 (c).