1. Pipe fittings. Parts used in the pipeline system for direct connection, turning, branching, reducing, and end use, including elbows, tees, tees, reducer pipe joints, pipe hoops, internal and external threaded joints, unions, fast Joints, thread nipples, reinforced pipe joints, pipe plugs, pipe caps, blind plates, etc. (excluding valves, flanges, fasteners).2. Pipeline accessories. The general term for pipe fittings, compensators, valves and their assembly, etc...

Nowadays, the valve market is full of fish and dragons. Unscrupulous traders have made huge profits by counterfeiting and refurbishing valves, which has caused great safety hazards for installation projects. Therefore, it is necessary to introduce to you the inspection of refurbished valves. At present, the main ways of valve falsification in the distributors of the valve market are as follows:1. The valves made of iron and carbon steel and the repair of waste valves are inferior...

Entering the 21st century, the consumer market has undergone tremendous changes. Material abundance has spawned a worldwide trend of landscape life. Many consumers have their own unique understanding and rights to the taste of life. They exalt exquisite life. Materialism, cultural interest, personality, self and other flags create their own perfect living space. In the past, when many families bought faucets, they simply thought that they could be used...

1. Flange connection is a more common and main method for connecting instruments and process equipment and pipelines. Because there are many standards for flanges, complex sealing surface forms, various pressure-temperature grades, and various steel grades, it makes the reasonable application of flanges more difficult. The flange standards used in instruments and equipment imported from China are all foreign standards......

Weight: You can't buy a faucet that is too light. Too light is mainly because the manufacturer hollowed out the internal copper in order to reduce costs. The faucet looks very large, it is not heavy to pick up, and it is relatively easy to withstand the burst of water pressure.Handle: The compound faucet is easy to use, because when using the sink, usually only one hand is empty.Water outlet: The water outlet placed high makes it easy to fill the washbasin...

On April 27, 2019, Jiangsu Province officially released the Jiangsu Province Chemical Industry Safety and Environmental Protection Improvement Plan, proposing to shut down chemical production enterprises that fail to meet safety and environmental protection standards and have outstanding risks. The chemical technology enterprises or production facilities with backward technology have greatly reduced the production capacity of backward chemical industries...