KOSCN Control Valves MV303 Pneumatic Diaphragm Valve

The KOSCN MV303, an industrial-grade pneumatic diaphragm valve, offers enhanced high-flow performance with its smooth flow design and optimized mechanics, suitable for high-performance water and chemical systems with a PN10 rating.

Apply for
• Water Treatment 
• Semiconductor Electronics 
• Power Generation 
• Steel and Iron/ Metallurgy
• Petrochemicals
• Chlor-Alkali/ Marine Engineering
• Solar/ Nuclear/ Wind Energy

MV303 Catalog Manual


Convenience and Ease of Maintenance

Convenience and Ease of Maintenance

  • Independent actuator, replaceable and easy to disassemble
  • Built-in pilot solenoid valve base for quick installation
  • Position feedback with protective cover design, suitable for outdoor and harsh environments
  • All-plastic exterior for aesthetics and corrosion resistance
  • Superior lubrication performance, maintenance-free
  • Air intake direction adjustable every 90° for installation in tight spaces
  • Valve dimensions and installation length consistent with international products

High Safety Performance

  • Pre-embedded nozzle thread design, adaptable to various installation strengths
  • Valve body and pneumatic actuator designed with extra pressure margin for safety
  • Smooth flow path provides better protection against water hammer
High Safety Performance
High Flexibility

High Flexibility

  • Dual-control connection, union flange connection
  • Connection standards include metric, JIS, and ANSI
  • Diaphragm materials: EPDM, FPM, EPDM-PTFE
  • Valve body materials: PVC-U, PVC-C, PP-H, PVDF
  • PP-H, PVDF products available with oil-free option

Optimal Flow Performance

  • Smooth transitional flow paths with low pressure loss, flow coefficient twice that of traditional diaphragm valves
  • Superior flow path allows for precise control and regulation
  • Suitable for media containing small particles and solids
Optimal Flow Performance

KOSCN

KOSCN Industrial Manufacturing (Shenzhen) Co., Ltd., founded in 2005 and headquartered in Shenzhen, China, operates globally with subsidiaries and agent teams. It offers comprehensive pre-sales and after-sales services worldwide. KOSCN has a professional R&D, design, and production team, adhering strictly to ISO9001, ISO14001, and ISO45001 standards to ensure the highest product quality.

KOSCN's products, mainly automated valves for ultra-pure and corrosive systems, are widely used in semiconductor, glass panel, electroplating, wastewater treatment, waste liquid solidification, solar energy, landfill leachate, PCB, metallurgy, steel, ultra-pure water, recycling, chemical, food and beverage, power, paper, biopharmaceutical, and biofermentation industries.

Download: KOSCN Product Brochure

KOSCN