Ball valve and butterfly valve are two kinds of valves which are most widely used in today’s valves. They are easy to operate and play a role of cut-off and cut-off for pipeline medium. Table of Contents What is a ball valve? What is a butterfly valve? Different structure of ball valve and butterfly valve … Read more
Table of Contents Application Scope of Trunnion Mounted Ball Valve Trunnion Mounted Ball Valve is suitable for cutting off or connecting the medium in the pipeline. Using different materials, the forged steel Trunnion Mounted Ball Valve of Chaoda Group can be applied to water, steam, oil, nitric acid, acetic acid, oxidizing medium, urea, and other media. Trunnion Mounted Ball … Read more
As an additional value to the user, ZECO International Standard Valve Manufacturer will express the written product operation guide, preservation guide and maintenance guide to the user for long-term storage and timely inspection and use. At the same time, ZECO technical team will meet with users to provide training and guidance on valve technology, correct maintenance, operation, … Read more
Among the usual structural designs of single-gate, double-gate, wedge, parallel and so on, the wedge double-gate and the wedge elastic gate are the most widely used ones. The former’s gate automatically coincides with the two sides of the seat, while the latter relies on the elastic groove in the middle of the gate wedge to … Read more
South Sudan broke from Sudan in 2011 and took with it around 350,000bpd in oil production. After South Sudan’s secession from Sudan, the two countries have been mutually dependent on oil revenues, because the south has 75 percent of the oil reserves, while the north has the only current transport route for the oil to … Read more
The quality management system of ZECO valve company has been certified and meets the following requirements: ISO 9001:2008. The quality assurance system is established to ensure continuous quality expectations or to exceed international standards. The testing instruments of ZECO are tested and calibrated every year by the calibration institute certified by ISO/IEC 17025:2005, which guarantees the foundation … Read more
Gate valve，for its low fluid resistance, a minor pressure differential, the flow direction maintenance ability, erosion endured sealing surface and flow noninterference, can be applied with a wide range of pressure and temperature. As a common block valve, it is widely used in the oil media of petroleum, chemical, fossil-fuel power plants and in the … Read more
The double cut-off slab gate valve with diversion hole is mainly used to cut off the medium. It is a kind of pipeline valve, which is used in many industries, such as natural gas, oil, etc. Table of Contents Main features of slab gate valve Working principles of double block drain valve seat Summary of … Read more
Weidouli Valves materials can be the following grade, another grade is also available on request. TITANIUM ALLOY: Titanium Gr.2, Gr.3, Gr.5, Gr.6, Gr.7, Gr.12 NICKEL ALLOY: Inconel 600, 625; Hastelloy B, B-2, B3, C276, C-22, C-4, G; Incoloy 800, 800H, 825; Monel 400, K500; Nickel 200, 201 ZIRCONIUM ALLOY: Zirconium 702, 705 BRONZE: C95800, C95500, … Read more
The sealing pair of the Butterfly Valve usually adopts an elastic sealing material such as rubber or plastic and a metal-to-metal sealing pair, and also partially uses a fluorine-lined or ceramic sealing pair. When used as a shut-off valve, the soft seal butterfly valve seal performance is much better than the metal hard seal butterfly … Read more