高压由由壬引进国际先进技术，采用高强度合金钢锻造而成，严格的热处理确保接头有均匀一致的金相组织和承压能力。所使用材料完全符合美国ASTM和AISI标准，产品技术指标完全符合APISpec 16C标准，产品密封可靠、装卸快捷、通用互换性好。产品接头可用管线螺纹、油管螺纹，对焊式或无压密封端部连接。规格型号：100型、200型、207型封头、211型、206型、400型、300型、600型、402型、1002型、602型、1003型、1502型、2002型、2202型、4Trl80×8（国产1003）
High pressure union is forged and made of higlh strength alloy steel with imported world-class technology.Strict heat treatment ensures unifom metallographic structure and bearing capacity in the connector.The materials used fully comply with ASTM and AIsI of USA，and the technical indices of the product with APl Spec l6C standard.The product is tight and reliable,and provides easy mounting and dismantling and good exchangeability.The connector of the product alows connection for pipeline thread,oil tube thread and butt Weld or pressureless seal end.
Sizes and Model:Figurel00.Figure200,Figure207 Shutoffhead,Figure206,Figure211,Figure400.Figure300,Figure600. Figure402,Figure1002,Figure602.Figurel003,Figure1502,Figure2002.Figure2202.