Browse Standards

通用阀门 素钢铸件技术规范

General purpose Industrial valves—Technical specification for carbon steel castings

通用阀门 碳素钢锻件技术规范

General purpose industrial valves—Technical specification for carbon steel forgings

真空技术 夹紧型快卸连接器尺寸

Vacuum technology—Dimensions of clamped-type quick-release couplings

管法兰用垫片高温密封性能试验方法

Standard test methods for sealability of gaskets at elevated temperature for pipe flanges

供水系统用轴流式止回阀

Axial flow check valve for water supply system

通用阀门 铁制截止阀与升降式止回阀

General purpose industrial valves—Casting iron globe valves and lift check valves

通用阀门 法兰连接铁制闸阀

General purpose industrial valves—Flanged iron gate valves

通用阀门 球墨铸铁件技术规范

General purpose industrial valves—Technical specification for ductile iron castings

通用阀门 灰铸铁件技术规范

General purpose industrial valves—Technical specification for gray iron castings

通风机 尺寸

Fans—Dimensions

离心式纸浆泵

Centrifugal pulp pumps

先导式减压阀

Pilot operated pressure reducing valves

减压阀性能试验方法

Methods of performance test for pressure reducing valves

真空技术 非刀口法兰尺寸

Vacuum technology—Dimensions of non-knife edge flanges

通风机 通风机效率等级 第5部分：射流风机

Fans—Efficiency classification for fans—Part 5: Jet fans

通风机 通风机效率等级 第4部分：含驱动装置最高转速时的通风机

Fans—Efficiency classification for fans—Part 4: Driven fans at maximum operating speed

通风机 通风机效率等级 第2部分：驱动部件的标准损耗

Fans—Efficiency classification for fans—Part 2: Standard losses for drive components

石油、石化及相关工业用钢制截止阀和升降式止回阀

Steel globe valves and lift check valve for petroleum, petrochemical and allied industries

钢制对焊管件 类型与参数

Steel buttwelding piping fittings—Types and parameters

压缩空气干燥器 规范与试验

Compressed-air dryers—Specifications and testing