HITACHI Fan VB-70W-G
Type: Fan
Brand: HITACHI
Type: Fan
Brand: HITACHI
Type: Fan
Brand: HITACHI
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09/08/2020
Air compressor enclosed motor: Protection grade: IP44, IP54, IP55 Advantages: 1) Wide application range. The air compressor driven by a closed motor can be used in places with poor environment. For example, there is a lot of dust and the fibers are flying. Factories and mining industries with corrosive gas and other surrounding areas.
06/25/2020
Briefly explain the principle, advantages and disadvantages of screw compressors The screw compressor has the characteristics of small size, light weight, easy maintenance, etc. It is a model that develops faster in refrigeration compressors. On the one hand, the screw profile and structural design have made great progress. On the other hand, the introduction of special milling machines for screw rotors, especially grinding machines, has improved the machining accuracy and processing efficiency of
07/18/2022
In the previous article, we introduced a lot about the gear pump, so how to install the gear pump? Let's talk about it today.
03/02/2021
1.Positioning or residual torque: when there is no current passing through the winding, the torque required to make the output shaft of the motor rotate. 2.Driver: an electrical control device used to run the stepping motor. This includes power supply, logic programmer, switching element and a variable frequency pulse source which determines the step rate. 3.Dynamic torque: the torque produced by the motor at a certain step rate. The dynamic torque can be expressed by PULL IN torque or PULL OUT torque.
06/14/2020
An accident analysis of refrigeration compressor A major refrigerator damage accident occurred in the refrigeration workshop of a meat joint processing plant. The refrigeration workshop of the factory was equipped with 2 single-stage two-stage ammonia re 器2 䀀 ᅵ皥 䖒皦즠Ʋ嫜ི 㲈Ʋ 䌁皦 ᮔDž
06/30/2022
Types of piston pump – Pumps have become an indispensable component of all domestic and industrial applications.
12/10/2021
HMI is the abbreviation of human machine interface, which is also known as user interface. It is the medium of interaction and information exchange between the system and users.
06/29/2020
Too small selection results in insufficient compressor displacement Many users just start not knowing the specific gas consumption of their own production, so they blindly select the model according to their own estimates, resulting in exhaust pressure not coming up, below the rated exhaust pressure, which cannot meet the normal gas consumption of the factory.
10/16/2020
Insufficient compressor displacement has a great impact on the entire refrigeration system. If it is not repaired and handled in time, it may cause problems such as the cylinder, cylinder head rupture, and compressor water intake, which will destroy the entire refrigeration system cycle. It may even cause accidents such as compressor combustion and explosion. So what causes the insufficient displacement of Copeland compressor? Let's take a look.
06/27/2020
Chapter 1 General Provisions Article 1 This chapter is applicable to the installation of reciprocating piston type, screw type, vane type and membrane type positive displacement compressors.