... ~2500Lb) 1.Size:1/2"-78" (DN 15- DN2000)2.Standard: ANSI, BS, DIN, UNI, JIS, GB3.Pressure:0.25Mpa ... inspection. ApplicationPetroleum, chemical, power, gas, metallurgy, shipbuilding,construction, etcTypeSlip-On, Welding Neck, Blind, Socket Welding, Threaded and Joint etc. ... third-grade metering, the People's Republic of China on the Administration of Production License for industrial products, ETC. ...