KOSCN KV400 Manual Plastic Butterfly Valve

Economical choice for water industry applications, suitable for pure wastewater systems and mildly corrosive media. Features a double-ring valve body design for enhanced durability and low torque.

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• Environmental protection
• Water treatment
• Electroplating
• Circuit boards
• Renewable energy
• Leachate filtration

Data Sheet Company Product Brochure


Easy Installation and Maintenance

Easy Installation and Maintenance

  • Valve bodies conform to ISO and GB mounting standards, with universal through-holes for easy installation.
  • Handles indicate switch direction.
  • Designed according to ISO5211 standard for easy maintenance.
  • Manual and automatic modules are interchangeable, facilitating upgrades.

High Safety Performance

  • Valve shafts made of stainless steel are corrosion and deformation resistant.
  • The valve seat's dual-seal groove design ensures low torque and no internal leakage.
  • Materials and seals are selectable to meet the needs of general applications, excluding pure chemical systems.
High Safety Performance
High Flexibility

High Flexibility

  • Valve body materials: PVC-U, PP-H
  • Seal materials: EPDM, FPM
  • Connection: Clamp-on flange connection
  • Interface standards include metric, ANSI, and JIS.

Size

d DN H H1 H2 H3 D K S n-DIN n-JIS
n-ANSI
I L
L1 W b
63 50 249 114 55 80 165 123 54 4 4 4 20 293 210 115 44
75 65 276 128 55 93 185 143 67 4 4 4 21 303 210 115 48
90 80 295 140 55 100 200 157 83 8 8 4 21 350 250 115 53
110 100 333 160 55 118 229 186 101 8 8 8 21 365 250 115 57
140 125 364 167 70 127 257 213 127 8 8 8 24 449 320 155 68
160 150 385 170 70 145 285 240 152 8 8 8 24 463 320 155 73
225 200 455 213 70 172 343 296 200 8 12 8 24 572 400 155 92
Unit:mm
Pressure-Temperature Curves

Pressure-Temperature Curves

Data based on clean water medium and a 25-year safety lifespan; applications with other media require reduced temperature and pressure.

Flow Capacity

Data based on 20°C clean water medium and a 1bar pressure differential
Cv = Kv X 0.07
Fv = Kv X 0.0585
Kv (liters/min)
Cv (gallons/min) US
Fv (gallons/min) GB

Flow Capacity
Relative Flow Linearity Graph

Relative Flow Linearity Graph

Relative flow linearity coefficient refers to the change in flow rate as a function of valve opening travel.

 

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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