PALL Filter HC8304FKN16Z

09/05/2020

Why screw air compressor can gradually replace piston machine

Screw air compressors and piston air compressors can be said to be the two models with the highest share of the current air compressor market. In the past, piston type air compressors were basically used.

08/20/2020

Common sense of home appliances the correct posture for adding fluoride to air conditioners

Add fluoride if you don't agree. As long as the air conditioner is cold, the first words many friends call after sales are, should the air conditioner add fluoride? Regardless of three to seven twenty one, two hundred yuan first, is it enough?

06/29/2020

How the compressor works

08/17/2020

Matters needing attention in cleaning air conditioner condenser

For the health of the air conditioner, some car owners will clean the condenser, which is correct, but pay attention to the cleaning agent, it is best to use the condenser cleaning agent.

11/21/2024

Types of EGR Valves with Working Principle Diagrams

The EGR (Exhaust Gas Recirculation) valve is a device used to reduce diesel engine emissions. It can send part of the exhaust gas back into the intake passage, thereby reducing the generation of nitrogen oxides (NOx).

04/08/2025

What is Positive Displacement Pump?

<strong>Positive displacement pump</strong> is also known as a volumetric pump, which uses the periodic volume changes of the working chamber (pump casing or cylinder) in the pump to transport the liquid.

08/18/2020

Causes and solutions for low energy efficiency of air energy heat pump units

Air-energy heat pump water heaters are generally used in large places such as hotels, schools, hospitals, bathing centers, etc. Most of them require 24 hours a day to provide hot water.

09/19/2025

What is the Difference Between Piston and Plunger Pumps

Plunger and piston pumps are very similar in construction and both are reciprocating positive displacement pumps.

08/21/2020

Why the air-conditioning supplyreturn water temperature is 7℃-12℃

Reason analysis of 7 degree water supply: 　　 1. Starting from the refrigeration unit, the refrigerant evaporates in the evaporator and absorbs heat to cool the secondary side water. If the evaporation temperature is too low, it will cause frost on the surface of the evaporator and affect the heat transfer efficiency.

08/20/2020

What is the difference between fresh-keeping storage, cold storage, freezer and controlled atmosphere storage

1. Fresh-keeping warehouse The storage temperature of the fresh-keeping warehouse is generally 0℃~5℃, which is mainly used to keep fresh, that is, to maintain the original quality and freshness of agricultural products for a long time,