This standard specifies the terms and definitions,classification and marking,materials,dimensions and deviations,design,manufacturing,inspection and testing,rules of inspection,sign,packaging,shipping and storage,type selection,requirements for installation and operating,and security recommendationsof metal bellows expansion joints (hereinafter referred to as expansion joints).
This standard is applicable to the design,manufacturing,inspection,type selection,installation and operating of expansion joints installed in pipelines of which flexible elements are metal bellows.This standard may be referred to for the use of the expansion joints of other applications.
定价: 1884元 / 折扣价: 1602 元 加购物车
This standard specifies technical requirements, test methods, inspection rules, marking, packing and storage of marine diesel-natural gas dual fuel engine(hereinafter referred to as engine).
This standard is applicable to the design, manufacture and acceptance of four-stroke engines operating in pure diesel and dual fuel modes.
定价: 492元 / 折扣价: 419 元 加购物车