The piston seal adopts V-shaped sealing ring, which has good sealing effect, wear resistance and stability.Piston structure, the flow rate is 30% larger than the traditional diaphragm flow rate.The valve body structure has an overflow port, the pressure reduction speed is fast and intuitive, and the high pressure adjustment is sensitive.The structure can be equipped with the gas pressure gauge and the vent valve, which is versatile, small in size and light in weight.Easy to install, reverse, vertical, and horizontal assembly can be carried out according to customer preferences. The appearance is atmospheric and beautiful. It is widely used in direct online, oil-free silent machines, small belt conveyors, etc.colour: as shownMaterial: ABSPackage Contents:1 x Pressure regulating valveOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.