Search results for keyword: t12
Color coated steel plate and steel strip (GB/t12754-1991)
Color Coated Steel Sheet and Steel Strips (GBT 12754-1991)
Color coated steel sheet and steel strips is a product that has a thick zinc coating on top of the steel sheets and strips for corrosion protection. The product is widely used for architectural purposes and industrial production. The zinc......
1025 
Sophia
Hot-rolled three-layer steel plate and wide steel strip for moldboard (GB/t1252-1989)
，内容,
The use of hot rolled multi-layer steel plate and wide steel band GB/t1252-1989 for furrowing wall is a new approach to constructing retaining walls. This type of system has a number of advantages, such as strength, durability, cost-effectiveness, and flexibility. This paper will discuss th......
GB/T 713-1997 Grade and Chemical Composition of Steel Plates for Boilers
GB/T 713-1997 Steel Plates for Boiler and Pressure Vessels
This standard GB/T 713-1997 was jointly established by Chinas General Administration of Quality Supervision and Testing Committee of Machinery Industry and Metallurgical Industry standardization work group on April 12, 1997. This standard......
Continuous electrogalvanized cold-rolled steel sheets and strips (GB/T15675-1995)
Continuous hot-dip galvanized steel plate and strip (GB/T15675-1995)
Continuous hot-dip galvanized steel plate and strip (GB/T15675-1995) are a kind of cold-rolled steel plate and strip which have been metal coated by hot-dip coating process. This type of steel plate and strip is mainly used in t......
The latest valve national standards and industry standards
Introduction
Valves are one of the fundamental elements of any plumbing system and are an integral part of a successful heating, ventilating and air conditioning (HVAC) system. In order to ensure the safety, accuracy and efficiency of valves, a range of standards and regulations are in place. Thi......
Introduction to the Standard of "Metal Valve Structural Length"
Metal Valve Structure Length
Introduction
The length of a metal valve is an important factor in its performance. The maximum length of a valve can affect the amount of pressure it can contain and the type of force it can withstand. It is important to know the length of a metal valve before it is......
GB 10869-89 Specifications for power station control valves
EB GB 10869-89 Technical Conditions of Power Stations Control Valve
This document provides technical standards and technical requirements for the design, selection, manufacture, installation, management, operation, maintenance and repair of power station control valves.
1 Scope
This technical c......
Summary of Safety Valve Standards (2)
，关于安全阀的种类标准
Safety valves are the primary regulatory device in boilers and pressure vessels, mainly used to ensure the safe operation of boilers and pressure vessels by releasing the excessive pressure generated by boilers or pressure vessels during operation. Safety valves, as an import......
General technical requirements for iron valves for urban water supply
General Requirements for Iron valves Used for Water Supply in Urban Water Supply
1. General
1.1 Iron valves used for water supply in urban water supply are divided into low-voltage valve core, butterfly valve core and other valve cores according to their structures. Among them, the butterfly val......
Comparison of the new and old national standard thread tolerance zone positions
Comparison of New and Old National Standard Thread Tolerance With Reference to Location
Threads are an important part of many kinds of industry and plays the role of fastener in machines, vehicles and other construction components. Every thread shall have a certain tolerance which is determined b......
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