Search results for keyword: apparatus
GB 3853-83 Performance test method for positive displacement air compressors for general use (7)
GB 3853-83 General Air Compressor Volute Capacity Test Method
Overview
GB 3853-83 is the Chinese national standard for the test method of volumetric air compressors performance. This standard is applicable to the evaluation of volumetric compressor performance in terms of quality, application, a......
1101 
Olivia
GB 6286-86 Method for Determination of Bulk Density of Molecular Sieves
Density determination of molecular sieve stacking
The density of molecular sieves, which is an important physical property, is closely related to the quality of the product, and it is also a very important index for the characterization and evaluation of molecular sieves. At present, the determin......
GB 6288-86 Method for Determination of Particle Size of Granular Molecular Sieves
GB 6288-86 Particle Size Molecular Sieve Particle Size Determination Method Particle size molecular sieve particle size determination is a method used to determine the size of particles in a sample. This method is commonly used to test the quality of materials such as filter media, adsorption mater......
GB 803-89 Determination of Explosive Index of Combustible Gases in Air
Explosive Index Test of Combustible Gas in Air
Introduction
Explosive index test is used to identify hazardous combustible gas components in air. Per GB 803-89, it is a test method used to measure the firing potency of combustible gases in air. The explosive index is calculated by comparing the ......
GB 8104-87 Test method for flow control valve
Test Method of Flow Control Valve GB 8104-87
The flow control valve is a device of the automatic control system incorporated into the system to adjust pressure, flow, temperature and other process parameters. The purpose of this test method is to provide a uniform method for testing the performan......
GB-T 16876-1997 Test method for interlayer vacuum of liquid nitrogen container
GB-T 16876-1997 Liquid Nitrogen Container Layered Vacuum Test
1. Scope
This standard specifies the requirements, inspection methods, and inspection items for liquid nitrogen container layering vacuum test, which are mainly applicable to vacuum test of all kinds of liquid nitrogen containers.
2.......
GBT 13277-91 General compressed air quality grade
GB/T 13277-91 General Compressed Air Quality Levels
Compressed air is an essential element in most industrial processes, but it often carries undesirable impurities that can reduce performance, compromise quality, and increase maintenance costs. GB/T 13277-91 sets the general quality levels for c......
GB/T 13466-92 AC Electric Drive Fans (Pumps, Compressors) - General Rules for System Economical Operation
GB/T 13466-92: General Rules for Economical Operation of AC Electrical Drive Fans (Pumps, Compressors)
1. General
This standard specifies general rules for the economical operation of AC electrical drive fans (pumps, compressors) in power systems. The purpose is to improve the energy efficiency ......
GB/T 13906-92 Determination of nitrogen oxides in air quality
GB/T 13906-92 Air Quality -- Determination of Nitrogen Oxides
This Standard GB/T 13906-92 specifies a method for determining nitrogen oxides in normal atmospheres. It is applicable to the determination of the concentration and transformation rate of nitrogen oxides in the atmosphere.
The main pr......
GB/T 15262-94 Determination of sulfur dioxide in ambient air Formaldehyde absorption-pararosaniline spectrophotometric method
GB/T 15262-94 Determination of sulfur dioxide in ambient air—Methanol absorption-pararosaniline spectrophotometric method
1. Introduction
Sulfur dioxide (SO2) is a colorless, odorless gas, which is mainly from industrial and domestic combustion sources. It is one of the major causes of air poll......
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