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Pneumatic fluorine lined control valve DN50

This professional pneumatic fluorine lined single seat control valve is configured with a heavy duty lined body, explicitly engineered for precise proportional modulation of highly corrosive acids, alkalis, and industrial chemicals. Driven by a high sensitivity multi spring pneumatic diaphragm actuator and managed by a top tier electro pneumatic positioner, it translates analogue control signals into exact valve trim travel. This flanged system ensures superior chemical resistance across severe process networks.

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The pneumatic fluorine lined linear control valve provides a premier automated throttling solution specifically engineered for modulating highly aggressive and corrosive fluid variables including severe line pressure, chemical concentration temperature, and accurate flow velocity within critical processing infrastructure. Fabricated with an advanced fluoropolymer internal lining such as PTFE, F46, or PFA, the single seat body alignment completely isolates the outer metal body casing from aggressive media, preventing chemical degradation and extending service tracking longevity. The upper assembly features an ultra responsive multi spring pneumatic diaphragm actuator linked to a robust electro pneumatic positioner instrument, allowing the valve assembly to adapt instantly to fluctuating analogue facility control loops. This total automation combination ensures exceptional chemical inertness and excellent linear regulation, making it highly essential for chemical processing plants, acid recycling loops, and pharmaceutical manufacturing line systems.

Technical Specifications

  • Valve Design Classification Pneumatic Actuated Multi Spring Diaphragm Fluorine Lined Single Seat Control Valve

  • Internal Corrosion Lining Material Premium Grade Pure Molded Fluoropolymer Lining Sheet PTFE F46 or PFA

  • Actuator Operational Drive Heavy Duty Multi Spring Pneumatic Diaphragm Actuator with High Sensitivity

  • Valve Positioning Instrument Top Tier Modulating Electro Pneumatic Positioner Assembly Attached to Yoke

  • Command Input Signal Standard 4 to 20 mA DC Industrial Analogue Control Loop Current Input

  • Pneumatic Instrument Air Supply 0.14 to 0.40 MPa Clean Dry Instrument Grade Compressed Air Supply

  • Nominal Pipe Joint Size DN50 or 2 inch Equivalent Full Bore Line Connection Diameter

  • Main Pipe Pressure Rating PN16 Nominal Operational Pressure Rating 1.6 MPa Equivalent

  • Internal Sealing Trim Material Fully Lined Stainless Steel Core with Solid Fluoropolymer Coating Plugs

  • Valve Seat Leakage Class Class V or Class VI High Performance Soft Sealing Bubble Tight Shutoff

  • Main Pipeline Connection Type RF Raised Face Flanged Ends for Secure Bolted Alignment

  • Main Flange Standard Specification EN 1092 1 DIN 2501 Flange Clearance Connection Standards

  • Stem Sealing Construction Leak Proof Combined PTFE V Ring Packing with Bellows Seal Architecture

  • Flow Characteristic Profile Equal Percentage or Highly Accurate Linear Modulating Curve Output

  • Instrument Air Interface Fitting Threaded Female G 1 4 inch or NPT Air Line Connectors

  • Actuator Housing Protection Weatherproof Industrial Baked Enamel Powder Coated Blue Finish Casing

  • Travel Status Indication Integrated Clear Mechanical Pointer Scale Plate and Gauge on Actuator Pillar

  • Body Outer Shield Coating Heavy Duty Heat Cured Anti Rust Light Gray Acrylic Enamel Finish

  • Maximum Medium Working Temperature 150 degrees Celsius Continuous Limit Subject to Lining Material Type

  • Primary Media System Suitability Strong Hydrochloric Acid Sulfuric Acid Concentrated Alkalis Corrosive Effluents and Demineralized Water

  • Quality Verification Protocols High Voltage Spark Lining Integrity Checks Hydrostatic Shell Tests and Control Loop Calibration


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