伪造了自上入境球阀门

Top entry ball valves are new products developed upon the advanced technology abroad and through many years of the design and manufacturing experience of ours. With Technology up to domestic leading level, these products can compete with international counterparts. Besides the features borne by the side entry fixed ball valve, they are also given the features below: 1. Easy to repair and install, long performance life. Access for repair and replacement of trims can be done without removing the valve from the pipeline, thus to lengthen the service life. 2. Low torque, reliable sealing, and spherical seat different from ordinary ball valves, which can automatically adjust the position of seal. 3. Hand operated top entry ball vale adopts high strength one-piece stem structure to ensure the precise positioning of the ball. NPS: 2”-24” Class: 150”-1500” Material: A216-WCB,WCC, A352-LCB,LCC, A351-CF8,CF8M, CF3,CF3M,CF8C, ect A105+ENP, A182-F6A,F304,F316,F304L,F316L,F51, A350-LF2, ect Applicable standards: Design and Manufacture: API 6D/ISO14313, ASME B16.34 Connection Dimension: ASME B16.5, DIN EN1092 Test and Inspection: API 6D, API 598, ISO5208 Fire Safe Design: API 607, ISO10497