Custom processing double special brand model D341F Material Stainless Steel Connection Type Xiamen vertical plate flange structure for a variety of media highly corrosive chemical media pressure environment Pressure Operating temperature Room temperature Standard GB Flow direction Unidirectional Drive Manual D341F midline lined butterfly valve Product Introduction : Standard Stamdard design and manufacture of Design: GB 12238 (middle) (Middle line) length of the structure Face to face: GB 12221 (short series) Short length series flange size Flange dimension: JB78 / JB79 (or according to the contract) Or according to contract pressure test Test: GB / T 13937 mark Symbol: GB 12220 Availability Supply: GB / T 12252 Company: Xiamen double special Valve Co., Ltd. is mainly specializing in the production of various types of steel or stainless steel valves, valve manufacturer with more than 20 years experience, access to national invention patents, 17 international patents, hosted and participated in the preparation of national standards 31. The company now has a production qualification: Det Norske Veritas (DNV), ISO 9001-2008 quality system certification, the American Petroleum Institute API6D certification, API607 fire test certification, EU CE / PED certification, domestic special equipment TS license. Products are mainly exported to the US, Europe, Middle East, Africa, Singapore and other countries and regions, but also in the oil and petrochemical sentinel members. Our main products: stainless steel butterfly valve, control valve, security valve, globe valve, ball valves, check valves