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DELCO UPVC / CPVC Flanged Diaphragm Valve, Manual Handwheel, Chemical Resistant

Engineered for aggressive fluid handling, this Plastic Diaphragm Valve is constructed from high-quality UPVC or CPVC with a robust flanged connection. Featuring a corrosion-resistant design and a clear visual position indicator, it is the ideal solution for controlling acids, alkalis, and slurries in chemical processing and water treatment plants.

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Features

A durable plastic diaphragm valve with flanged ends and a weir-type design, offering superior chemical resistance and precise throttling for corrosive media.

✅Superior Chemical Resistance: The valve body is molded from pure UPVC (Dark Grey) or CPVC (Light Grey), providing excellent immunity to strong acids, caustics, and plating solutions where metal valves would fail rapidly.

✅Weir-Type Diaphragm Design: Utilizes a flexible EPDM or PTFE diaphragm that seals over a weir, isolating the bonnet mechanism from the process fluid and allowing for effective throttling and flow control.

✅Particle & Slurry Handling: The streamlined flow path and flexible diaphragm allow the valve to close tightly even over suspended solids or slurries, preventing clogging common in [Ball Valves] or Gate Valves.

✅Visual Position Indicator: Equipped with a transparent stem cover and a rising indicator rod that provides immediate visual confirmation of the valve’s open/closed status from a distance, enhancing operational safety.

✅Standard Flanged Connection: Features integral ANSI 150 / DIN / JIS flanges reinforced with ribs, ensuring secure, leak-free installation into existing industrial plastic piping systems without the need for complex adapters.

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Key Application Fields

  • Oil & Gas
    DELCO API-certified valves ensuring safety and reliability in demanding high-pressure pipelines.
  • Chemical & Petrochemical
    DELCO corrosion-resistant solutions tailored for handling aggressive acids and hazardous fluids safely.
  • Power Generation
    DELCO solutions efficiently withstand extreme high-temperature and high-pressure steam cycles in power plants.
  • Food & Pharmaceutical
    DELCO sanitary valves with FDA-compliant, crevice-free designs to ensure absolute product purity.
  • Water & Wastewater
    Durable municipal solutions by DELCO, designed for zero leakage and long-term sustainability.
  • HVAC & District Heating
    DELCO valves ensure precise flow regulation to optimize energy efficiency in modern buildings.

Browse our case studies or talk directly with our engineers to discuss your application.

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