SMC Solenoid Valve VFR5210-2DA

07/01/2022

How to Install a Sump Pump Check Valve: 5 Steps

What is a sump pump check valve? It is a device that keeps water from reentering the discharge pipe whenever the pump is not running.

07/07/2020

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

09/11/2022

Servo Motor vs Stepper Motor: Comparison from 9 Aspects

Like servo motors, stepper motors are equipped with mechanisms that control the angle of rotation by receiving external signals.

07/16/2020

Identify true and false filter elements

Look at the filter material. The main filter material of the air filter is filter paper. At present, the filter filter paper mainly uses domestic paper and imported paper. Both domestic and imported paper have good filtering performance, and the inferior filter paper used by the fake filter element cannot prevent dust from entering the engine.

06/14/2020

Piston screw scroll centrifuge compressor characteristics analysis

Piston screw scroll centrifuge compressor characteristics analysis 1. Semi-closed piston compressor Principle: Rely on the reciprocating motion of the piston to compress the gas in the cylinder.

08/20/2020

How to prevent high temperature alarm of industrial chiller in summer

In the high temperature and hot summer, the frequency of use of industrial chillers is the highest in a year, and summer is also the season when industrial chillers have the most frequent high temperature alarms.

09/16/2020

Quality Reliability Test and Improvement of the Main Body of Filter Element

Abstract: Combining with the actual situation of the oil production site, through a comprehensive analysis of the manifestations of filter element failure, the filter element material, main tube wall thickness, and water hole density are used as the three main reliability factors that affect the life of the filter element on-site, and the pole is reasonably determined.

07/16/2020

Analysis of the reason why cold storage should not be built underground

Many people think that building cold storage underground will have better thermal insulation effect than cold storage on the ground, because in the past, when the technology was backward, it was very common to choose cellars as crop storage. But from a commercial point of view, it is not scientific to blindly build the cold storage underground. The cold storage construction team stands from the perspective of consideration for customers

08/11/2020

Installation of fittings of air-conditioning water system

Air-conditioning water system includes cooling water system (cooling water pipe, pump, cooling tower, condenser, valve, etc.), chilled water system (chilling water pipe, pump, terminal, valve, insulation, expansion tank, etc.) and condensate water system

03/23/2023

Common Faults, Reasons of Faults, and Solutions of Vacuum Pump

common faults like falling vacuum degree, abnormal operation, even being jammed, large noises and oil leakage resulting from not well-sealed pump body appears in the operation