KOSCN Scientific DV311 Manual Diaphragm Valve

The KOSCN DV311 Manual Diaphragm Valve is a compact and highly efficient control valve, known for its superior corrosion and heat resistance. Ideal for clean environments due to its smooth inner wall and low ion release, it's versatile and cost-effective across various materials and applications, delivering excellent value.

Applications:
Photovoltaics | LCD Panels | HDD Manufacturing | Semiconductors | Electroplating | Integrated Circuits | Biopharmaceuticals | Medical | Food | New Material

Data sheet Company Product Brochure



High Purity - SEMI F57 Approved

  • The KOSCN DV series diaphragm valves offer exceptional cleanliness, meeting the stringent SEMI F57 standards set by SEMI.
  • These valves are designed for ultra-pure water distribution systems, ensuring low contamination performance.
  • The extraction test report for the DV series shows outstanding purity: surface concentrations of high-pollution metals like Cu, Pb, and Fe are all below half the standard limit values. Additionally, Sb, Cd, and Li levels are less than 0.01 mg/m².
High Purity - SEMI F57 Approved
Convenience and Easy Maintenance

Convenience and Easy Maintenance

  • All-plastic exterior structure, aesthetically pleasing and corrosion-resistant.
  • Compact design, easy to install, maintenance-free.
  • UNF standard FlareLINK interface threads for higher adaptability and interchangeability.
  • Mounting plate dimensions comply with SEMI standard F65-1101.

High Safety Performance

  • Meets FDA 177-1520 / 177-1550 leach test requirements.
  • Triple-sealed valve diaphragm design effectively prevents leaks.
  • Drive mechanism made of fluoropolymer, offering high pressure redundancy.
  • Curved PTFE diaphragm enhances ductility and longevity.
High Safety Performance
High Flexibility

High Flexibility

  • Wetted materials include PP-Natural, PVDF, PFA.
  • Diaphragm material: PTFE; Mechanism material: PVDF.
  • Sealing components available in FKM/EPDM.
  • Structural components made of PVDF.
     

KOSCN

Founded in 2005 and headquartered at the forefront of China's reform and opening-up in Shenzhen, KOSCN Industrial Manufacturing (Shenzhen) Co., Ltd. has expanded its presence with subsidiaries and offices in Suzhou, Chengdu, Changsha, Hong Kong, and even overseas in Germany. With a robust network of pre-sales and after-sales agency teams spread across China and abroad, KOSCN stands as a global enterprise specializing in the manufacture of fluid control products for ultra-pure and corrosive systems, including automation valves and instrumentation.

Holding numerous patents, KOSCN is recognized as a high-tech and specialized enterprise. Its products are widely used across various sectors, including semiconductors, glass panels, electroplating, wastewater treatment, waste fluid solidification, photovoltaics, leachate from landfills, circuit boards, metallurgy, steel, ultra-wastewater, recycling, chemical, food and beverage, power, paper, biopharmaceuticals, and bio-fermentation.

As a system supplier offering countless solutions across a broad spectrum of industries, KOSCN boasts a professional team that covers every aspect from research and development to design, from quality assurance to production, and from mold making to injection molding. Adhering to ISO9001, ISO140001, and ISO45001 standards, KOSCN commits to quality, environmental sustainability, and health, ensuring high-end product quality for modern production methods.

KOSCN
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