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GB 12245-89 Pilot pressure reducing valve
Introduction
Pilot-operated pressure-reducing valves (PRVs) provide a reliable and maintenance-free solution for controlling pressure in an industrial process. Developed for use in a wide range of industries, PRV technology meets the needs of customers in the oil and gas, chemical, and heavy manu......
1046 
Sophia
GB 13075-91 Periodic Inspection and Evaluation of Welded Steel Gas Cylinders
GB 13075-91 Welded Steel Cylinders Periodic Inspection and Assessments
The GB 13075-91 is a national standard for welded steel cylinders periodic inspection and assessments. The scope of GB 13075-91 covers the design and manufacture, inspection, testing, manufacturing licensing requirements and m......
GB/T4213-92 pneumatic regulating valve
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1. Introduction
GB/T4213-92 is a Chinese Standard for pneumatic control valves, developed and published by Chinas Quality and Technology Supervision Bureau based on corresponding foreign standards. It includes four parts: general requirements, dimensions, special requirements and inspection rule......
GB/T6052-93 Industrial Liquid Carbon Dioxide
GB/T6052-93 Industrial Liquid Carbon Dioxide
The GB/T6052-93 specification for industrial liquid carbon dioxide was published in 1993 by the Chinese national standardization organization. The standard covers a wide range of industrial applications, including general industrial processes, specific......
GB∕T3863—1995 and other standard indexes of oxygen, nitrogen, argon, etc.
I. Overview
GB∕T3863—1995 is a national standard for oxygen, nitrogen and argon. The standard sets out the various properties and types for these elements, as well as their acceptable levels for use. Additionally, it provides a comprehensive index of other related topics, such as safety, qualit......
ZBJ76010.1-88 technical conditions for large and medium-sized air separation equipment
GB/T ZBJ 76010.1—88 Technical Specifications for Medium and Large-Sized Air Separators
This specification, referenced as GB/T ZBJ 76010.1—88, stipulates the technical specifications for medium and large-sized air separators.
The air separator contained in this specification refers to the mecha......
QC/T 257—1998 Compressed Natural Gas Vehicle Type Test Regulations
Abstract
This article examines the Chinese standard QC/T 257-1998 for Compressed Natural Gas Vehicle Test Regulations. This document contains technical requirements for the specific test procedure, including the safety requirements, test-specific criteria, and performance requirements of the test......
Full performance test bench for pumps
Introduction
Centrifugal pumps are widely used in hydraulic systems in many industries. In order to ensure the use of centrifugal pumps, the performance test is very important to confirm the accuracy, stability, and reliability of the pumps. This article will talk about the full performance test ......
Concept and Application of Mechanical Engineering (Part 1)
Introduction
Mechanical engineering is a field of engineering concerned with the study and application of mechanics, dynamics, and energy to design, analyze, and manufacture machines and mechanical systems. It is the branch of engineering and applied sciences which deals with the design, construc......
lubricant additive
Lubricating Additive
Lubricating additives are compounds that are added to base lubricants—such as oils and greases—to enhance the lubricity and other performance characteristics of the lubricant. These substances are usually added to the base oil or grease in small amounts to help reduce frict......
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