Industry news
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Structure principle of pneumatic inclined plate dust air butterfly valve
The traditional dust gas butterfly valve does not adopt the inclined installation mode of disc plate, which leads to dust accumulation, increases the valve opening and closing resistance, and even affects the normal opening and closing; In addition, due to the traditional dust gas butterfly valve...Read more -
Correct installation method of wafer butterfly valve
The wafer butterfly valve is one of the most common types of valves in industrial pipelines. The structure of the wafer butterfly valve is relatively small. Just put the butterfly valve in the middle of the flanges at both ends of the pipeline, and use the stud bolt to pass through the pipeline f...Read more -
How to maintain the valve during operation
1. Keep the valve clean Keep the external and moving parts of the valve clean, and maintain the integrity of the valve paint. The surface layer of the valve, the trapezoidal thread on the stem and stem nut, the sliding part of the stem nut and bracket and its transmission gear, worm and other com...Read more -
Installation of penstock gate
1. Installation of Penstock gate: (1)For the steel gate installed on the outside of the hole, the gate slot is generally welded with the embedded steel plate around the hole of the pool wall to ensure that the gate slot coincides with the plumb line with a deviation of less than 1 / 500. (2) For ...Read more -
Goggle valve / line blind valve ,THT Jinbin valve customized products
The goggle valve / line blind valve can be equipped with driving device according to the user’s demand, which can be divided into hydraulic, pneumatic, electric, manual transmission modes, and can be automatically controlled by DCS in the control room. Goggle valve / line blind valve, also ...Read more -
Installation procedure manual of electric butterfly valve
Installation procedure manual of electric butterfly valve 1. Place the valve between the two pre installed flanges (flange butterfly valve needs pre installed gasket position at both ends) 2. Insert the bolts and nuts at both ends into the corresponding flange holes at both ends (the gasket p...Read more -
The difference between knife gate valve and gate valve
Knife gate valve is suitable for mud and medium pipeline containing fiber, and its valve plate can cut off the fiber material in medium; it is widely used in conveying coal slurry, mineral pulp and papermaking slag slurry pipeline. Knife gate valve is the derivative of gate valve, and has its uni...Read more -
The main process of blast furnace ironmaking
The system composition of the blast furnace ironmaking process: raw material system, feeding system, furnace roof system, furnace body system, crude gas and gas cleaning system, tuyere platform and tapping house system, slag processing system, hot blast stove system, pulverized coal preparation a...Read more -
The advantages and disadvantages of various valves
1. Gate valve: Gate valve refers to a valve whose closing member (gate) moves along the vertical direction of the channel axis. It is mainly used for cutting off the medium in the pipeline, that is, fully open or fully closed. Generally, the gate valve cannot be used as an adjustment flow. It can...Read more -
What is an accumulator？
1. What is an accumulator Hydraulic accumulator is a device for storing energy. In the accumulator, the stored energy is stored in the form of compressed gas, compressed spring, or lifted load, and applies force to a relatively incompressible fluid. Accumulators are very useful in fluid power sys...Read more -
Valve design standard
Valve design standard ASME American Society of Mechanical Engineers ANSI American National Standards Institute API American Petroleum Institute MSS SP American Standardization Association of Valves and Fittings Manufacturers British Standard BS Japanese Industrial Standard JIS / JPI German Nation...Read more -
Valve installation knowledge
In the fluid system, the valve is used to control the direction, pressure and flow of the fluid. In the process of construction, the quality of valve installation directly affects the normal operation in the future, so it must be highly valued by the construction unit and production unit. The va...Read more -
Valve sealing surface, how much knowleage do you know ?
In terms of the simplest cut-off function, the sealing function of the valve in the machinery is to prevent the medium from leaking out or blocking the external substances from entering the interior along the joint between the parts in the cavity where the valve is located. The collar and compone...Read more -
Analyses on Development Factors of the Chinese Valve Industry
Favorable factors (1) The “13th Five-Year” nuclear industry development plan stimulating the market demand for nuclear valves Nuclear power is recognized as the clean energy. With the development of nuclear power technology as well as its enhanced security and economy, the nuclea...Read more -
Attractive opportunities in upstream oil & gas
The upstream oil & gas opportunities for valve sales are centered on two primary types of applications: wellhead and pipeline. The former are generally governed by the API 6A Specification for Wellhead and Christmas Tree Equipment, and the latter by the API 6D Specification for Pipeline a...Read more -
What the meaning of De.DN.D.d
DN (Nominal Diameter) means the nominal diameter of the pipe, which is the average of the outer diameter and the inner diameter. The value of DN =the value of De -0.5*the value of tube wall thickness. Note: This is neither the outer diameter nor the inner diameter. Water, gas transmission steel...Read more