对于工业蝶阀，法兰还是标准连接方式。
Flanges are also the standard connection for industrial butterfly type valves.
标准的法兰连接，通用性好。
With the NEMA standard flange connection, keep the good universal.
根据国内垫片标准规定的泄漏率指标和美国PVRC对连接系统划分的紧密度等级，尝试定义了法兰连接系统的安全性等级。
An attempt was made to define the safety grade of flanged connections according to target leakage rates described in domestic gasket standards and tightness rates of joints stated in PVRC of ASME.
标准B16.1 -包括铸铁管道法兰和法兰连接件(125磅级和250磅级)。
A. N. S. I. Standard b16.1-covers cast iron pipe flanges and flanged fittings (Class 125 and 250).
碳钢法兰和连接件，150磅，符合相关法兰钻孔尺寸标准。
Carbon Steel Flanges and Fittings, 150 lb. Conforms to related flange drilling.
此外，我公司还承接各种特殊连接形式，非标准旋转接头和金属软管及不锈钢法兰的设计、制造。
In addition, I also take the form of a variety of special connections, non-standard rotary joints and metal hoses and stainless steel flange design, manufacture.
铁路运输设备。标准轨距铁路车辆的法兰互联装置的连接。尺寸、连接测量和公差。
Railway transport equipment. Connection for flange intercommunication for standard-gauge line stock. Size and fastening-measurements and tolerances.
铸铁管道法兰和法兰连接件，125磅，符合相关法兰钻孔尺寸标准。
Cast Iron Pipe Flanges and Flanges Fittings, 125 LBS. Conforms to related flange drilling.
防喷管线应采用螺纹与标准法兰连接，不允许现场焊接。
Blowout preventing lines shall be connected by threads and standard flanges, and on site welding is forbidden. Field welding is not permitted.
防喷管线应采用螺纹与标准法兰连接，不允许现场焊接。
Blowout preventing lines shall be connected by threads and standard flanges, and on site welding is forbidden. Field welding is not permitted.
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