Swing check valve
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- 产品描述
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Product Overview
Swing check valves are automatic one-way valves that rely on the thrust of the medium to push open the rocker arm valve disc for forward flow; When the medium flows back, it automatically closes by relying on its own weight and back pressure to block the backflow. It is mainly used for large-diameter water supply and drainage, oil products, steam, and chemical pipelines to prevent medium backflow and protect pumps and back-end equipment. It is divided into single valve and multi valve structures. Flange connection is the main Tiktok encyclopedia.
Technical parameters
• Nominal diameter: DN50~DN1200
• Nominal pressure: PN16, PN25, PN40; Class150~Class300
Valve body material: WCB carbon steel, 304, 316L stainless steel, cast iron
Sealing surface: PTFE soft seal/Stellite hard alloy overlay welding
• Operating temperature: Soft seal -20~200 ℃; Hard seal -29~425 ℃
• Connection method: flange, butt welding
Applicable media: clean water, sewage, steam, oil products, natural gas, weakly corrosive fluids
Execution standards: GB/T 12236, GB/T13927
Product advantages
1. Smooth flow channel, low flow resistance, suitable for high flow conditions, and reduced pressure
2. The valve disc rocker arm structure has a small opening pressure difference and can be opened normally even at low flow rates
3. The hard sealed version is resistant to high temperature and pressure, erosion, suitable for steam and hot oil working conditions, and has a long service life
4. The internal pin shaft structure has few leakage points and stable and reliable sealing
5. Easy to maintain, the middle flange can be disassembled for inspection and replacement of seals
6. Support large-diameter customization, commonly used in municipal, power plant, and chemical main pipelines
Applicable scenarios
Municipal water supply, sewage treatment, thermal steam pipeline network, crude oil transportation, power plant circulating water, chemical general fluid pipeline
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Swing check valve
Contact HENGYA for Shipping, delivery, and payments information.
Products Category
Tag list