The ventilation butterfly valve is designed with a centerline or eccentric structure to achieve low pressure drop and high flow capacity. The multi-level sealing system can withstand temperatures up to 300℃ and effectively prevent dust. The valve stem and butterfly plate are forged integrally, providing high strength and long service life. It offers various driving options such as manual, electric or pneumatic, meeting the control requirements for different working conditions. The structure is compact, maintenance is simple, and it is suitable for regulating and cutting the airflow in various ventilation ducts.
◎ Main material: Carbon Steel, Stainless Steel, Alloy Steel, Etc
◎ Size range: DN100～DN6000,NPS4～NPS240
◎ Pressure level: ≤PN6
◎ Temperature range: ≤600℃
◎perator: Manual, Pneumatic, Electric, etc..
◎ Application scenarios: Used as a pipeline control device for regulating flow or cutting off gas media in dusty cold or hot air gas pipelines for ventilation and environmental protection projects in industries such as chemical, building materials, power stations, and glass.
◎ Design Standard: API 602/BS5352
◎ Pressure Temperature Rate: ASMEN B16.34,GB/T12224
◎ Face to Face: ASME B16.10,GB/T12221
◎ Flange Standard: GASME B16.5,ASME B16.47,GB/T9113
◎ Butt Weld Standard: ASME B16.25,GB/T12224
◎ Fire Safe: API607/API6Fa
◎ Pressure Test: API 598 GB/T13927
The Cryogenic Single-seat Control Valve is specially designed for low-temperature working conditions ranging from -196℃ to +80℃. It features an integral forged valve body structure and is equipped with a bellows seal assembly to ensure reliable sealing under extreme temperature conditions. The valve core is designed with a parabolic or equal percentage flow characteristic, forming a precise fit with the hardened alloy valve seat to achieve precise control of the medium flow. The product complies with IEC 60534-4 and GB/T 4213 standards, and is suitable for precise regulation of low-temperature media such as LNG, liquid oxygen, and liquid nitrogen. The pressure rating covers ANSI Class 150 to 900, and is widely used in key areas such as air separation equipment and low-temperature storage and transportation systems.
C700 Single Seated Control Valves are a top-guided single-seat valve. This series of products has absorbed the advantages of similar products at home and abroad and has been improved and innovated. In terms of design, process, and assembly, it has reached the advanced level of similar products domestically and internationally. It has a compact structure, small volume, smooth flow channel, and the fluid passage is in an S-shaped streamline. The flow characteristic curve has high precision, is stable and reliable, and is easy to maintain.
The Forged Steel Compact Globe Valve is a high-performance fluid control device, precision-engineered from premium forged steel material. It combines throttling and shut-off functions in one unit. Designed specifically for high-pressure and high-temperature applications, it features compact construction, reliable sealing, and extended service life, making it ideal for demanding conditions in petroleum, chemical, power, and other industries.