Considerations as to pipeline integrity, future maintenance, corrosion factors, field assembly, weight and safety should be given in determining the method of connecting the valve in the pipeline.

• 管道系统的完整性,未来的日常维护,防腐因素,现场装配,重量和安全性等等因素都是决定了阀门与管道连接方式所应该考虑的因素。