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GB 12235-89 General valve flange connection steel globe valve and lift check valve
GB 12235-89 Steel Gate Valve and Lift Check Valve with Flange Connections
This GB 12235-89 standard is suitable for the production of medium and low-pressure steel gate valves and lift check valves with flange connections. It regulates the technical conditions, product inspection and acceptance, ......
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GB16409 Plate Heat Exchanger Product Safety Registration Management Measures
Product Safety Registration Management Method for GB16409-2006 Plate Heat Exchanger
In order to standardize the product safety registration management of plate heat exchangers and ensure the legitimate rights of consumers and users, the provisions are formulated according to the requirements of r......
Structure and Application of Safety Valve
Introduction
Security is always a major concern for homes and businesses due to the potential for security breaches. Particularly in the age of digital technology, cyber theft and malicious attacks are on the rise. To protect both personal and commercial data, security valves have been developed ......
HAB002—2001 Safety Regulations for Overhaul of Liquefied Petroleum Gas Portable Pressure Vessels
CODE OF PRACTICE FOR SAFETY INSPECTION OF MOBILE PRESSURE VESSELS FOR LIQUEFIED PETROLEUM GAS (LPG)
1. Introduction
This Code of Practice for Safety Inspection of Mobile Pressure Vessels for Liquefied Petroleum Gas (LPG) is formulated in accordance with the requirements of the relevant codes o......
Naming and basic code of skf bearings
SKF Bearings: Naming and Basic Code
SKF (SKF) is a leading global supplier of bearings, seals, lubrication systems and related products. As an industry leader, SKF offers an extensive range of bearing products to meet the needs of many different industries and applications. From low cost ball bea......
Problems should be paid attention to when drilling stainless steel
Drilling Stainless Steel: Points to Consider
Stainless steel is a steel alloy that is comprised of iron and chromium. Its inherent qualities of toughness and strength make it an ideal material for a wide array of applications. The combination of durability, ease of manipulation, and attractive lo......
Electrolytic marking machine technical parameters
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Introduction
Electrolytic etching machine is a computer-controlled, industrial-grade device used to engrave or mark metals, plastics, ceramics, and other materials. This process is also known as “chemical etching”, “photo etching”, or “photo engraving”. It is an extremely accurate and eco......
Common sense of EFI engine maintenance
Introduction
Electric Jet Engines (EJE) are a special type of propulsion system that offers numerous advantages. The engine is generally easier to use and maintain than many other forms of transportation, as it is free from many of the mechanical limitations that come along with traditional c......
Chinese-English comparison of rolling bearing terms (7)
7、Bearings Interchangeability
Bearings for rotating, oscillating, and reciprocating motion have a variety of interchangeable terms, sometimes more descriptive than numerical. These are often compatible with overall dimensions and ball or roller element dimensions, but not always. If necessary, th......
Concrete Quality Inspection
Concrete Quality Control
The quality control of concrete has become an increasingly important part of any construction project. A correctly measured and proportioned mix of the constituent ingredients and processes of transport and placement are essential to ensure best quality and workmanship. Th......
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