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一、存在问題国产LGY20-10/7和LGYⅡ-10/7喷(?)螺杆压缩机的单向阀是在瑞典生产的螺杆式压缩机单向阀基础上设计生产的。该单向阀在气路系统中的位置和结构见图1、2。原单向阀在设计时是想通过单向阀两侧的压力差作用,使压缩机螺杆气室与储气筒之间
First, the existing problems Domestic LGY20-10 / 7 and LGY Ⅱ-10/7 spray (?) Screw compressor check valve is produced in Sweden on the basis of the screw compressor check valve design and production. The position and structure of the check valve in the gas circuit system are shown in FIGS. 1 and 2. The original one-way valve in the design is to pass through the check valve on both sides of the pressure difference between the role of the compressor screw chamber and the gas reservoir