Italy for being original packaging of valve carrying out device imports the famous brand, quality is steady and remarkable. 1 million or more times service life. The door is cast accurately for the degrease , import numerical control lathe processing and manufacturing, for the OEM sticking brand products in China in Japan HITACHI Company, test strictly by company this, service life 100,000 or more times, multiple national patents are designed, quality can substitute the imported products in America ,Europe and Japan . The products are orientated as top-gradly , the large-scale overseas-funded enterprise applying to have very high expectations for quality of the valve extensively is like the chemical gas, ammonia black silk ribbon factory , chemical fibre factory , natural gas , mechanical equipment , pharmacy , food , petrochemical industry ,etc.. Often used for substituting the import the valve in the world company of 500 tops. Product performance: Defend the static device among the ball and valve body; Design authentication through API607 fires prevention; Fang deviates from and designs the valve stem; The body pressure balancing hole of the valve is designed; ISO5211 high platform is designed; The pair of dish-shaped shell fragment strengthens the valve stem to seal; Control the type: The O type cutting off type promptly , the regulating type of proportion of Model V; Structure form : Straight general formula of the whole flow ; Connect the form : Such forms as BSPT , NPT , BSP , G whorl ,etc.; Nominal diameter: DN15- DN80 ; Valve body material: CF8M,CF8,WCB; Sealed material : PTFE,R-PTFE,EK, PEEK; Working pressure: 1000PSI, 2000PSI Working temperature: -20 degrees Centigrade- +220 degrees Centigrade.

Second, main size of a ball valve of pneumatic silk: