GB/T 12249-1989
蒸汽疏水阀 标志
Automatic steam traps—Marking
- 实施日期
- 1990-12-01
- ICS 分类
- 23.060
组合使用关键词、标准类型、状态与 ICS 分类,快速定位所需国家标准。
找到 1,367 条
GB/T 12249-1989
Automatic steam traps—Marking
GB/T 12248-1989
Automatic steam traps—Definition of technical terms
GB/T 12247-1989
Automatic steam traps--Classification
GB/T 12223-1989
Part-turn valve actuator attachment
GB/T 12220-1989
General purpose industrial valves--Marking
GB/T 12250-1989
Automatic steam traps—Face-to-face dimensions
GB/T 12222-1989
Multi-turn valve actuator attachment
GB/T 12221-1989
Metal valves for use in flanged pipe systems—Face-to -face and centre-to-face dimensions
GB 12136-1989
Arrester for dissolved acetylene cylinders
GB 12021.9-1989
The limited value of energy consumption of electric fans and it’s measuring method
GB/T 10891-1989
Safety requirements for air handling units
GB 10879-1989
Valves for dissolved acetylene cylinders
GB 10892-1989
Stationary air compressors--Safety rules and code of practice
GB 10877-1989
Valves for oxygen cylinders
GB 9948-1988
Seamless steel tubes for petroleum cracking
GB/T 9642-1988
Polyethylene (PE) pipes and fittings--Designation of polyethylene based on nominal density and melt flow rate
GB 9644-1988
Unplasticized polyvinyl chloride (PVC-U) pipes and fittings for drinking water supply--Extractability of lead,tin,cadmium and mercury occurring as impurities--Test method and permitted levels
GB/T 9481-1988
Axial-flow pump of medium-small size--Types and basic parameters
GB/T 9094-1988
Fluid power systems and components--Cylinders--Identification code for mounting dimensions and mounting types
GB/T 3452.3-1988
Fluid power systems--O-ring--Design criteria for O-ring housing--Basic calculation