Spray pump is the use of spraying technology dedicated painting equipment, mainly by the feeding device, spray gun, atomization source, suitable for leather handbags, gift packaging, furniture, footwear, automobile manufacturing and other industries . Now to introduce the working principle of spray pump and what are the advantages. Spraying pump First, the working principle of the spraying pump Spray pump's main working area for the double-acting pneumatic hydraulic booster pump, reversing mechanism for the special form of pilot-style gas control valve with the reversing device. After entering the compressed air, when the piston moves to the upper end or the lower end of the cylinder, the upper pilot valve or the lower pilot valve is actuated to control the air flow to instantly change the direction of the air-fuel ratio reversing device so as to make the piston of the air motor stable and continuous reciprocating motion . Since the piston is rigidly connected to the plunger in the paint plunger pump, the area of ​​the piston is larger than the area of ​​the plunger. Thus pressurizing the inhaled coating. Pressurized paint, high pressure hose delivered to the airless spray gun, the last release of the airless nozzle pressure, instantaneous spray atomized surface to be coated to form a coating layer. Second, the advantages of spray pump A, the film quality, smooth and delicate coating, no brush marks. It will spray paint spray into small particles, evenly distributed on the wall surface, so that the latex paint in the wall to form a smooth, smooth, dense coating, no brush marks, rolling marks, which is brush, roll The original method can not be compared. B, painting high efficiency. Single-operation spraying efficiency up to 200-500 square meters / hour, is 10-15 times the manual brushing. C, good adhesion, long coating life. It uses high-pressure jet, the atomized paint particles to obtain strong kinetic energy; paint particles take this kinetic energy into the pores, the paint film is more dense, thereby enhancing the paint film and the wall of the mechanical bite force and improve the coating adhesion , Effectively extend the life of the coating. D, uniform film thickness, high paint utilization. Artificial brush roller thickness is very uneven, usually 30-250 microns, paint utilization is low; and airless spray coating thickness is very easy to get 30 microns. E, easy to reach the corner and the gap. As the use of high pressure airless spray, paint spray does not contain air, paint easy to reach the corner, cracks and uneven hard brush and other parts, especially for many smallpox air-conditioning fireworks ceiling more suitable, roller brush is difficult to construction. F, can be sprayed with high viscosity paint, hand brush, air spray, etc. are only suitable for low viscosity coatings. Further Reading: pump valve pipe fittings Exhibition 2016 Exhibition of Information Industry, Internet (Xiamen) Technology Co., Ltd. Author: Asian pumps Network Editor: Yao Xiaoxia (QQ / micro letter: 2355962924) http://beng.liuti.cn/ (Hotline : 400-6030-811)