GUOMAO Reduction Drive Gearbox Speed Reducer BWED42-649-0.75

06/28/2022

Introduction to Priming in Pumps

Priming a piston pump is probably the first and one of the most important thing one should do before operating it. Not priming a pump or not doing it properly makes majority of pump problems.

09/07/2020

The difference between permanent magnet variable frequency air compressor and ordinary air compressor

With the development of science and technology, air compressors, as an important power equipment, are widely used in many industrial fields such as machinery, metallurgy, building materials, electronics and electricity, chemicals, food, and textiles.

08/11/2020

The temperature status and faults of the unit components of various commercial central air-conditioning systems

When the commercial central air-conditioning system is overhauled, temperature inspection and testing are very important, because the unit components of the entire central air-conditioning system have a normal temperature range, beyond which it is an abnormal state.

11/27/2023

CPU Fan Replacement HP Laptop with Figures and Detailed Steps

Recently, the HP notebook for personal use prompts that the fan is broken when it is turned on. I decisively placed an order online and bought a replacement fan.

08/17/2020

Why is the meter still running after the air conditioner is shut down

In the process of using home appliances, friends will always encounter some weird problems more or less. For example, the air conditioner makes strange noises, the soymilk machine suddenly stops turning, and so on

07/18/2020

Exhaust gas of refrigeration compressor is overheated. Are these reasons caused

Compressor: It is a complex machine running at high speed. Ensuring adequate lubrication of moving parts such as compressor crankshafts, bearings, connecting rods, pistons, etc. is the basic requirement for maintaining the normal operation of the machine. For this reason, compressor manufacturers require the use of specified grades of lubricating oil, and require regular inspection of the lubricating oil level and color

07/07/2020

Earth Hour: Hitachi Central Air Conditioner works with you to speak for the earth

08/22/2025

Rosemount 3144P temperature transmitter FF fieldbus manual!

power supply Rosemount temperature transmitter FOUNDAIION fieldbus uses standard fieldbus power supply. The operating voltage of the transmitter is 9 to 32Vdc with a maximum of 11 mA. The rated voltage at the transmitter end is 42.4V dc, Wiring diagram

09/04/2020

Summary of energy saving for compressor users

Compressor is a big power consumer, and its operation in production and life will cause a lot of power consumption. It is necessary to study compressor energy-saving technology.

08/16/2020

What are the precautions for installing the piston ring of ammonia refrigeration accessories

Piston ring is a small part of piston compressor in ammonia refrigeration system. It is used as a metal ring for sealing inside the piston. The piston ring includes a gas ring and an oil ring. It may seem small but it plays an important role.