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DIN ANSI DN50 Manual Marine Flange Bronze Straight Globe Valve
  • DIN ANSI DN50 Manual Marine Flange Bronze Straight Globe Valve
  • DIN ANSI DN50 Manual Marine Flange Bronze Straight Globe Valve
  • DIN ANSI DN50 Manual Marine Flange Bronze Straight Globe Valve
  • DIN ANSI DN50 Manual Marine Flange Bronze Straight Globe Valve

DIN ANSI DN50 Manual Marine Flange Bronze Straight Globe Valve

Product Attribute: Specification:DN15-DN100
Actuator:Manual
Material:Brass or Bronze
Structure:Through Way Globe Valve
Stem Thread Position:Inside Screw Stem Globe Valve
Application:Marine Usage
Standard:DIN, GB, ANSI, BSW, JIS
Origin:China
Application:Flanged
Media: Water
Temperature: Ordinary Temperature
Customization: Available
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Specification

DIN ANSI DN50 Manual Marine Flange Bronze Straight Globe Valve

I. Product Overview

TIANYU DN50 manual marine flange bronze straight globe valve is a specialized flow control component designed for marine pipelines. Crafted from high-quality bronze, it features a straight-through structure and flange connection, compatible with both DIN and ANSI standards. It enables precise manual flow regulation of seawater, freshwater, fuel oil, and hydraulic oil in marine systems. Operating at -10℃~80℃ and suitable for low to medium-pressure (PN10~PN16) environments, it resists seawater corrosion. Compliant with marine-related standards, it’s ideal for ship engine rooms, fuel systems, and cooling circuits, addressing corrosion and space issues in marine settings.

II. Key Attribute Parameters

  • Size: DN50 (2″), tailored for medium-diameter marine pipelines.
  • Pressure Range: PN10~PN16 (1.0MPa~1.6MPa), suit low to medium-pressure marine systems like cooling and fuel lines.
  • Temperature Range: -10℃~80℃, adapting to ambient temperatures of marine media.
  • Material Configuration:
    • Body & Bonnet: Bronze (C37710), resisting seawater and salt mist corrosion.
    • Disc & Seat: Bronze, precision-machined for tight sealing and wear resistance.
    • Stem: Bronze, ensuring smooth operation and corrosion resistance.
    • Gasket: Non-asbestos, withstanding marine oil and water for stable sealing.
  • Connection Type: Flange, compliant with DIN and ANSI standards for marine pipeline integration.
  • Actuation: Manual (handwheel), enabling precise flow adjustment via linear disc movement.
  • Design Standards: Meets marine valve norms and aligns with DIN/ANSI for global compatibility.

Product Overview

III. Features Description
  • Bronze Anti-Corrosion: Bronze forms a protective oxide layer, resisting seawater and salt mist erosion, avoiding rust jamming common in steel valves, extending service life in marine environments.
  • Dual Standard Compatibility: Flange fits DIN and ANSI pipelines, suitable for international ship projects, eliminating adaptation issues in cross-standard installations.
  • Precise Flow Control: Straight structure and linear disc movement allow accurate throttling, critical for regulating cooling water and fuel flow to maintain stable marine equipment operation.
  • Manual Operation Reliability: Handwheel design ensures easy operation even in vibrating ship environments. The stem’s low friction enables smooth adjustment without jamming.
  • Marine-optimized Sealing: Bronze disc and seat achieve tight shut-off. Non-asbestos gaskets resist marine media, preventing leakage to ensure safe operation of flammable or corrosive media lines.

IV. Manufacturing Processes

  • Material Selection: Bronze ingots undergo spectral analysis to verify alloy content, ensuring corrosion resistance. Ultrasonic testing detects internal defects in castings.
  • Precision Casting: Body and bonnet are cast with high precision, ensuring structural strength. The flow channel is designed to reduce resistance and avoid media stagnation.
  • CNC Machining: Flanges are machined to DIN/ANSI dimensions, with bolt holes aligned accurately. Disc and seat surfaces are ground to Ra ≤1.6μm for tight sealing.
  • Assembly & Testing:
    • Components are assembled with proper torque to ensure stability. The stem is tested for smooth movement through multiple open/close cycles.
    • Hydrostatic test: 1.5×rated pressure (2.4MPa for PN16) for 30 minutes, ensuring no body leakage.
    • Seal test: 1.1×rated pressure to verify no leakage at disc and flange connections.

Valve Details

V. Product Advantages
  • Strong Marine Corrosion Resistance: Bronze material extends service life to 8-10 years in seawater, reducing replacement costs compared to steel valves.
  • Global Standard Adaptability: DIN/ANSI compatibility fits international ship pipelines, avoiding rework in cross-border projects.
  • Precise & Safe Operation: Accurate throttling stabilizes marine equipment operation; reliable sealing prevents hazardous media leakage.
  • Easy Installation & Maintenance: Flange connection allows quick installation. Bronze’s wear resistance reduces maintenance frequency and downtime.
  • Compact & Efficient: Straight structure saves space in dense ship pipelines, integrating well into limited engine room layouts.

Application

VI. Application Fields
  • Ship Cooling Systems: Regulates seawater/freshwater flow to engines and coolers, precise control maintains optimal temperatures, ensuring engine efficiency.
  • Fuel Oil Lines: Controls fuel flow to marine engines, tight sealing prevents leakage, safeguarding against fire risks in fuel systems.
  • Hydraulic Circuits: Adjusts hydraulic oil flow in steering or winch systems, reliable operation ensures stable power transmission.
  • Freshwater Supply: Manages freshwater flow for ship domestic use, corrosion resistance avoids contamination, ensuring water quality.
TIANYU DN50 marine globe valve: bronze, flange, manual. PN10~16, -10~80℃, DIN/ANSI compliant. Resists seawater, precise control. Ideal for ship cooling, fuel, hydraulic systems. Customizable: flange standard (DIN/ANSI), seal material for specific marine media.

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