Extended Stem Lined PTFE Flange Gate Valve
Full straight bore at fully open position, smooth medium flow without material accumulation; Full fluoroplastic lining isolates metal from corrosive media, resisting strong acids and alkalis; OS&Y structure provides clear visual indication of valve open/closed status, customizable extended stem length; Double gate elastic sealing structure, bi-directional tight shut-off with zero leakage; Suitable for shut-off pipelines in chemical anti-corrosion, wastewater treatment and pickling production lines.
  • Nominal Diameter: DN15~DN400
  • Pressure Class: PN10~PN16
  • Temperature Range: -20℃~120℃
  • Operation Type: Manual Outside Screw & Yoke (OS&Y) with Extended Handwheel Stem
  • Main Materials: WCB Cast Steel Body, Gate & Body Lined with F46 Fluoroplastic, 304 Stainless Steel Stem
  • Execution Standards:
  • Design & Manufacturing: GB/T12224; Pressure Test
  • Applicable Media: All kinds of strong acids, strong alkalis, organic solvents, corrosive wastewater and chemical waste liquid
  • Description:
  • Outside screw & yoke lined fluoroplastic gate valve with extended stem. All wetted parts are fully lined for anti-corrosion protection. The extended stem enables remote opening & closing for buried pipelines, underground storage tanks and deep pit piping.:
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Product Display
Product Display
Easy to open butterfly valve
Efficient regulation of various fluid media
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About Us
Created on
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Since its establishment in 2012,
The company has been operating steadily for over ten years.
Warranty
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Our product comes with a 12-month comprehensive quality assurance.
Service
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We provide professional technical support services 24/7.
Material
Material
PTFE、FEP、PFA、FRPP、PO

development concept

Survival through quality
Seeking market through reputation
Seeking development through technology
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Quality Control
Sustainable Development
Our sustainable path
We are committed to becoming a leader in green manufacturing, with the core goal of "zero carbon valves", and reducing energy consumption and emissions through full lifecycle management. By relying on intelligent IoT technology, we aim to achieve closed-loop optimization of product design, production, and recycling, promoting the industry's transition to a circular economy. In the next five years, we will adopt 100% renewable electricity and collaborate with supply chain partners to establish a carbon footprint transparency system, ensuring that each valve helps customers achieve their ESG goals. At the same time, we will invest in the research and development of biodegradable materials and energy-saving sealing technologies to reduce resource dependence; Through employee training and community collaboration, we aim to enhance the overall environmental awareness of the industry. With innovation as the engine and responsibility as the cornerstone, we promise to make every fluid control a driving force for the sustainable development of the earth, and work together with global partners to create a zero carbon future.
We are committed to becoming a leader in green manufacturing, with the core goal of "zero carbon valves", and reducing energy consumption and emissions through full lifecycle management. By relying on intelligent IoT technology, we aim to achieve closed-loop optimization of product design, production, and recycling, promoting the industry's transition to a circular economy. In the next five years, we will adopt 100% renewable electricity and collaborate with supply chain partners to establish a carbon footprint transparency system, ensuring that each valve helps customers achieve their ESG goals. At the same time, we will invest in the research and development of biodegradable materials and energy-saving sealing technologies to reduce resource dependence; Through employee training and community collaboration, we aim to enhance the overall environmental awareness of the industry. With innovation as the engine and responsibility as the cornerstone, we promise to make every fluid control a driving force for the sustainable development of the earth, and work together with global partners to create a zero carbon future.
Hongfute Valve Group Co., Ltd