Product Description Features I,It has the structure of flip chip balanceable pressure and light on or off operation. Ⅱ,An oil groove is set between body and seal surface, which may infuse the seal grease to increase the seal capability. Ⅲ,The part materials and flange dimensions may be selected according to current working condition and customer is requirement, so that meet the requirements of various engineering. Technical Data Size : NPS 11/2 ~ 14 Pressure Ratings: Class 150 ~ Class 900 Temperature :-29℃~121℃ Design Standard :API 6D ,ASME B16.34 Face to Face :API 6D , ASME B16.10 Flanged Ends :ASME B16.5 Test and Inspection :ISO 5208 ,API 598 Drive Means :Manual,Electric Actuator,Pneumatic Actuator Notes: The sizes of serial valve flange dimensions can be designed according to customer's requirement. General Application Inverted pressure balance lubricated plug valve is applicable to the cutting and connection of pipelines medium that are used in various industries such as petroleum, chemical industry, pharmacy, chemical fertilizer, electric power industry etc.