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Manual valve operation method
Release on 2019-04-01The manual valve is a valve operated by the handle and the hand wheel, and is a commonly used valve on the equipment pipeline. Its handle and handwheel rotate clockwise. To turn off, counterclockwise is on. However...Read More
RKSfluid New Generation Valve Seat
Release on 2019-03-13RKSfluid lastest generation butterfly valve seat  is in production.
The following is comparison of the old and new generation seats...Read More
Flange knowledge
Release on 2019-06-13It is usually matched on the water supply and drainage fittings (the most common on the expansion joint). When the factory leaves the factory, there is a flange at each end of the expansion joint, which is directly related to the project. Pipes and equipment are bolted...Read More
Valve definition term
Release on 2019-08-301.Valve (valve) The total number of mechanical products with movable mechanisms used to control the flow of media within the pipe. 2.Gate valve The op...Read More
Butterfly valve classification
Release on 2019-09-031. Classified by structure (1) Center sealing butterfly valve (2) Single eccentric sealing coal valve (3) Double eccentric sealing butterfly valve (...Read More
Soft and hard sealing butterfly valve features and differences
Release on 2019-09-12The hard seal butterfly valve is made of metal material or harder other materials called "hard seal". This seal has poor sealing performance, but high...Read More
Twenty-five Taboos for Valve Installation
Release on 2019-09-06Valves are the most common equipment in chemical companies. It seems easy to install valves, but if they are not implemented in accordance with the re...Read More
The Difference Between A Lug and Wafer Butterfly Valve
Release on 2019-02-12Butterfly valves have been around for a long time, and are used for a variety of applications. They made their first appearance during the 1930s, and have been utilized by several industries ever since. Often made out of cast iron, butterfly valve's name is based from the functionality of its disc.Read More
Valve selection
Release on 2019-06-06As one of the indispensable equipments in industrial production, valves may encounter many problems from selection to use to maintenance. Here are some common questions collected by Xiaobian. Can you help me?Read More
Valve water hammer effect
Release on 2019-05-21It means that when the open valve is suddenly closed, due to the inertia of the pressure water flow, the water flow shock wave is generated and the damage is caused. This is the "water hammer effect" in the hydraulics, that is, the positive water hammer...Read More
Take you know the actuator (2)
Release on 2019-05-15The actuator used in the regulating valve is nothing more than pneumatic, electric, hydraulic (electric hydraulic), and its performance is different, as described below...Read More
Take you know the actuator (1)
Release on 2019-05-14In the process control system, the actuator consists of two parts: the actuator and the adjustment mechanism. The adjustment mechanism directly changes the parameters of the production process through the actuators so that the production process meets the predetermined requirements...Read More
Valve Corrosion Protection
Release on 2019-05-09Corrosion is one of the important factors that cause valve damage. Therefore, in the use of valves, corrosion protection is the first consideration...Read More
Valve common standards and differences
Release on 2019-05-07DIN standard now uses EN standard structure length
EN 558-1 PN flange connection valve construction length (instead of DIN 3202), EN 558-2 CLASS flange connection valve construction length (instead of BS2080), EN 12982 butt weld end valve construction length (instead of DIN 3202), DIN standard The length of the structure including the length of the API valve is basically the same as the length of the GB...Read More
Valve and pipe connection
Release on 2019-04-29How to connect the whole valve with the pipeline or equipment, this problem can not be ignored, because the running, running, dripping and leaking of the valve mostly occur here...Read More
Valve commonly used seal material
Release on 2019-04-28Butadiene cyanide rubber was first developed in Germany in 1930. It is a copolymer of butadiene and 25% acrylonitrile. Because of its resistance to aging, heat and abrasion, it is superior to natural rubber, so it is...Read More
Actuators (3)
Release on 2019-04-26The electric actuator is the execution unit in the electric unit combined meter. It is powered by single-phase AC power supply, accepts unified standard DC signal, outputs corresponding angular displacement, manipulates mechanical mechanisms such as damper and baffle, and can be equipped with various electric operators to complete the adjustment system "manual--automatic"...Read More
Actuators (2)
Release on 2019-04-25The regulating valve does not work. The symptoms and causes are as follows:
1. The gas source is not open. 2. The air source water freezes in winter, causing the air duct to clog or the filter and the pressure reducing valve to be blocked...Read More
Actuators (1)
Release on 2019-04-25 Actuators play an important role in the automation of modern production processes. It is often referred to as the hand and foot of the production process control, because it accepts the control signal of the regulator in the automatic control system, and automatically changes the adjustment variable to achieve the adjusted parameters (such as temperature, pressure, flow, liquid level, etc...Read More
Valve Corrosion (3)
Release on 2019-04-18In the case of corrosive medium working conditions, anti-corrosion is the most critical place for chemical equipment. If the metal material of the chemical valve cannot be correctly selected, it is slightly inadvertent, and the equipment is damaged, which may cause accidents or even disaster.

How to choose the corrosion-resistant valve for some common chemical media?Read More
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