Valve stability is poor and how to solve the oscillation

(1) to change the direction of the unbalanced force Ft is usually used to change the flow direction of the method to change the direction of FI. Such as the dg ≥ 20mm through the single-seat valve from the flow closed to open type, can be easily solved the stability of the valve. (2) to a

Volvo remodels its brand image


“Our mission is not to create a brand new brand, but to use Volvo's deep brand heritage to realize Volvo’s global rejuvenation. The luxury car market is a brand-oriented market. The heart of Volvo's revival is to reshape the brand image.” Volvo Fu Qiang, chie

Analysis of application status of plastic pipe products

Plastic pipe has the characteristics of excellent performance, safety and reliability, convenient installation, mature technology, non-corrosion and long service life. It can be widely used in indoor and outdoor water supply and drainage, building water supply an

Delta Bar Flowmeter Installation Method and Maintenance Requirements

Abstract: Delta Bar Flow Meter is a plug-in flow meter. A delta bar sensor is inserted into the pipeline to generate a high pressure distribution in the forward flow direction and a low pressure distribution zone in the rear when the fluid flows through the sensor. This article mainly introduce

LED lighting development will change the lighting industry landscape


China's lighting industry started from the early 1980s. After 30 years of rapid, stable and sustained development, it has grown from a small industry with an initial production value of less than 10 billion yuan to a total annual production value of 350 billion yuan in 2011. industry.

Copper alloy analyzer function and analysis range

Copper alloy analyzer function 1, copper alloy analyzer easy to use: "a key that is measured", determine the alloy brand in 2 to 5 seconds, 5 to 10 seconds to determine the 28 elements;

2, simple operation: the sample can be measured, no user skills required;

3, smal