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DERVOS Products Exhibited IN OSEA 2022
DERVOS Products Exhibited IN OSEA 2022
2022-11-25

OSEA (Offshore Southeast Asia) is one of the largest Oil and Gas Events in Asia. OSEA returns in 2022 as an in-person event at the forefront of offshore oil, gas and emerging zero carbon energy sources. OSEA returned from 15 -17 November 2022 to pioneer a global shift in the energy industry. Our agent in Singapore participated in OSEA, and brought our VALVES to meet you! Our products in this exhibition include Bellow Seals Globe Valve, Cryogenic Sleeve Type Plug Valve and etc. Although only some of our products are displayed on the booth, audiences can learn about our rich product categories and factory through videos. Apart from the products exhibited, our products also cover Ball Valve, Gate Valve, Butterfly Valve, Check Valve, etc. We still maintain the heart of providing you with quality services and excellent products.

Talk About Flat Gate Valve Technology
Talk About Flat Gate Valve Technology
2022-11-10

The flat gate valve is a sliding valve whose closing part is a parallel wedge. The closing part can be a single gate or a double gate with a spreading mechanism in between. Flat gate valves can be divided into flat gate valves with diversion holes and flat gate valves without diversion holes according to the gate structure. Balanced plate valves with diversion holes are used for pipelines transporting oil and natural gas. For pipelines that do not require sweepers, flat gate valves without diversion holes can be used. Features of Flat Gate Valve 1. Small flow resistance. Since the wedge slides on the two valve seat surfaces, the flat gate valve is also suitable for fluids with suspended particles. 2. It has a double block and bleed function. 3. Fireproof design. When the O-ring and PTFE are burned, under the action of fluid pressure, the wedge and the retainer, the retainer and the valve body form a metal seal, thereby isolating the fluid. In addition, the middle flange gasket and packing are made of graphite and metal materials to prevent external leakage. 4. Self-releasing function: When the pressure in the middle cavity is high, the fixer will be pressed back under the action of the fluid in the middle cavity, so as to avoid accidents caused by excessive pressure in the middle cavity.

Common Valve for Natural Gas Pipeline - Balanced Oil Seal Plug Valve
Common Valve for Natural Gas Pipeline - Balanced Oil Seal Plug Valve
2022-10-26

The pipe plug valve is a shut-off valve used for long-distance natural gas pipeline and station control system, which is a special valve to meet the special requirements of natural gas pipeline. The valve is required to have special technical performance such as adaptability to harsh environment, service life of more than 30 years, two-way zero leakage, fire resistance and anti-static, acid medium corrosion resistance, and labor saving operation. The pipeline plug valve has the following characteristics compared with the traditional bushing plug valve: ① It has reliable sealing, long service life and is sealed by the cone surface. The sealing contact surface is large, and the oil film plays the role of lubrication and sealing. ② The valve torque is small and the operation is labor-saving. The plug cone is installed upside down. ③ The valve cover at the bottom of the valve body is equipped with an adjusting support, which can adjust the position of the valve core. Under high temperature working conditions, the thermal expansion of the plug can avoid the sealing pair from being wedged by its lifting. ④ The design of valve stem anti fly out, O-ring and graphite packing, and triple valve stem seal filled with sealing grease meet the leakage requirements. It can work reliably for a long time without fastening and maintenance, and has fire protection function.

대부분의 경우 볼 밸브는 측면 입구입니다. 그러나 dervos는 또한 밸브 내부를 점검하기 위해 파이프에서 밸브를 제거 할 필요가 없기 때문에 유지 보수가 편리한 상단 엔트리 볼 밸브를 제공합니다.

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