Instructions for sanitary three piece ball valveIssuing time:2018-09-12 00:00 Dear user Thank you very much for choosing to use our steel ball valve series products. The company integrates the design, development, manufacturing, installation and sales service of valve products, and has a comprehensive guarantee for the quality and after-sales service of all valve products. The structural characteristics, working principle, design and manufacturing standards and technical performance parameters of valve products are described in detail. Please read the operation manual carefully before installing and using the company's products to ensure that you are more convenient during installation and use. If you have any difficult problems during the use of the valve, please call the after-sales service department of the company. 1 Purpose and performance specification 1.1 purpose a. This product is mainly used as a hoist on gas and liquid medium pipelines to connect or cut off medium. It has the advantages of small flow resistance and labor-saving opening and closing. b. Scope of application: mainly used in food, pharmaceutical, chemical, new energy, beverage machinery and equipment fields. 1.2 performance specifications
1.3Valve maximum working pressure rating (pressure temperature reference)(Gauge pressure:Bar)
The temperature in the table refers to the temperature of the pipeline medium under the working state, and the pressure in the table is the continuous non impact pressure 2. Applicable standards 2.1 the design and manufacture shall comply with the provisions of GB / T 12237; 2.2 the inspection and test shall comply with the provisions of GB / T 13927 or JB / t9092; 2.3 flange size shall comply with JB / t79; 2.4 the structural length shall comply with the provisions of GB / T 12221; 3. Structural features and operating principle 3.1 refer to the sketch for structure and main overall dimensions. 3.2 the valve is opened and closed by rotating the hand wheel to make the valve stem rotate and drive the ball to rotate. 3.3 when the valve is closed, the handle rotates clockwise (switch mark is set on the operator). 3.4 PTFE all inclusive sealing is adopted, with small closing torque and easy sealing. 3.5 replaceable sealing structure is adopted for convenient maintenance. |