Recently, Xi’an Pump & Valve’s independently developed XGBS150-480 zirconium mother liquor circulation pump was recognised as a ‘First-of-its-Kind’ major technical equipment product under Shaanxi Province’s 2024 init...

Pneumatic butterfly valves for powder handling are a commonly used type of fluid control equipment, suitable for controlling a wide range of media including gases, liquids, granules and powders. Their main components inc...

What is the function and operating principle of a gate valve? 1. Gate valves are classified as open-type and closed-type gate valves. The direction of movement of a gate valve is perpendicular to the direction of fluid ...

The “Centaur” upper stage of the “Vulcan” rocket is powered by two RL10C-X engines [Space News, 11 April] Aerojet Rocketdyne announced on 11 April that it had secured an order from United Launch Alliance (ULA) for 116 e...

Chinese scientists have recently designed a new system for direct quantum communication that employs a hybrid encoding of phase and timestamp quantum states, successfully achieving direct quantum communication over a dis...

The primary causes of failure in ultra-high-pressure valves are cavitation and erosion wear; however, there are numerous factors that influence cavitation and erosion, the main ones being the mechanical properties of the...

1. Before installing the butterfly valve, verify that the product specifications and the direction of flow indicated by the arrow are consistent with the operating conditions. Clean the interior of the valve thoroughly; ...

Users of large-bore globe valves in everyday applications frequently report a particular issue: when these valves are used with media subject to significant pressure differentials—such as steam or high-pressure water—the...

The PN and Class designations we commonly use are both methods of expressing pressure; the difference lies in the reference temperatures at which the pressures they represent apply. The European PN system refers to the p...

When testing newly installed piping systems, the pipes and valves must first undergo preliminary testing: two leakage tests, a 150% hydrostatic test and an N₂He (nitrogen and helium) leakage test. These tests cover not ...

What is the difference between a vent valve chamber and a sludge valve chamber? I. Their purposes differ1. Purpose of a vent valve chamber: To facilitate the opening and closing of valves on underground pipelines and con...

The corrosion resistance of stainless steel generally increases with higher chromium content. The basic principle is that when there is sufficient chromium in the steel, a very thin, dense oxide film forms on the surface...