Magnetic Level Gauge For Boiler/Power Plant

Magnetic Level Gauge For Boiler/Power Plant
Details:
Optimized for power station high-temperature saturated steam and boiler drum working conditions. Equipped with full-metal high-temperature flap and metal hard-sealing structure to resist steam erosion and high-pressure impact. Multi-blowdown anti-scaling design avoids calcium and magnesium scale accumulation during 24-hour continuous operation. Specially applicable for deaerators, condensers and HRSG waste heat recovery tanks, focusing on high temperature & pressure durability and anti-scaling stability, not for corrosion or low-temperature environments.
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Why Choose Magnetic Level Gauge for Boiler & Power Plant

 

Common magnetic level gauges adopt ordinary sealing structure, easily fail seal leakage under boiler saturated steam high temperature & pressure, and scale buildup inside the cylinder leads to float sticking, causing inaccurate drum liquid level measurement and hidden safety hazards for boiler operation.

Our power plant dedicated magnetic level gauge is optimized for boiler drum, deaerator, steam-water separator and thermal system high-temperature water working conditions. It uses metal high-temperature sealing components to resist saturated steam erosion, inner wall polishing + blowdown structure prevents calcium & magnesium scaling. Focus on high temperature & high pressure resistance, steam erosion resistance, different from chemical anti-corrosion type, LNG cryogenic type and oil&gas explosion-proof type. Position differentiation: Core highlights high temperature steam resistance, anti-scaling, long-term continuous power plant operating stability, no redundant anti-corrosion or low-temperature structure design. Supports high-temperature transmitter expansion, matched thermal power DCS system, becomes standard level instrument for thermal power, cogeneration boiler systems.

 

Key Features and Benefits

 

  • High-Pressure High-Temperature Sealing System Metal hard seal structure adapts boiler saturated steam environment, effectively prevent steam leakage under long-term high temperature & pressure.
  • Anti-Scaling & Self-Cleaning Design Ultra-smooth inner wall + multiple blowdown ports, regularly drain boiler water scale to avoid float blockage caused by scaling.
  • Steam Erosion Resistant Material 316L, 310S high-temperature alloy barrel and float resist high-temperature steam scouring & oxidation.
  • All-metal high-temperature flip assembly All-metal indicator flaps withstand long-term radiant heat near boiler drums, never aging or deforming.
  • Boiler automatic control matching Support high-temperature resistant 4-20mA transmitters, realize remote level interlock protection for boiler drum water level.
  • Power station standard flange size GB/T / ASME power standard flanges, directly match boiler drum reserved interfaces.

 

Technical Specifications

 

Power plant boiler magnetic level gauge targets high-temperature steam scaling and steam leakage pain points, adopts high-pressure metal sealing and anti-scaling structure. Technical parameters are listed below:

 

Item

Specification

Chamber Outer Diameter

51, 55, 57, 60.3, 65, 76mm; thickened wall for boiler pressure customized

Chamber & Flange Wetted Material

304SS, 316L, 310S, Inconel 625

Float Material

316L, 310S high-temperature alloy

Indicator Flap Temperature Resistance

All-metal flap: ≤400℃ (standard configuration for power plant); nylon aluminum flap optional for low-temperature auxiliary equipment

Working Pressure

Vacuum ~ 16MPa (Class 900); Max customized design pressure: 32MPa @100℃

Medium Operating Temperature

-40℃ ~ 400℃ (adapt boiler saturated steam & high temperature feedwater)

Minimum Medium Density

≥0.4g/cm³

Medium Viscosity

≤10⁻⁴ ㎡/s

Measuring Range

200mm ~ 5500mm; standard tube length 6000mm

Installation Mode

Power station standard flange, welding

Drain Port

Multiple blowdown ports for regular scale cleaning

Vent Port

Steam exhaust port customizable

Optional Supporting Accessories

High temperature magnetic transmitter, magnetostrictive transmitter, high temperature limit switches

 

Applications

 

  • Thermal Power Plant Boiler Steam Drum Level Measurement
  • Deaerator, feedwater tank, condenser of power stations
  • Cogeneration heating boiler systems
  • Waste heat boiler (HRSG) drainage & blowdown tanks
  • Industrial steam boiler water level monitoring

 

FAQ

 

Q1: What distinguishes boiler dedicated level gauge from high-temperature general magnetic level gauge?

A: Boiler version upgrades metal hard seal and multi-blowdown anti-scaling structure aiming at boiler steam scaling & leakage problems, more suitable for 24-hour continuous boiler operation.

Q2: Can it replace traditional boiler glass level gauge?

A: Completely replace glass level gauge, no risk of glass breakage, safer for boiler workshop.

Q3: Does scaling cause float stuck during long running?

A: Multi blowdown ports allow regular sewage discharge and scale cleaning to avoid scaling accumulation effectively.

 

Tell us boiler pressure, steam temperature, drum connection size and control system type. Our power instrument engineers provide anti-scaling configuration plans free of charge, deliver quotation and drawings within 24-48 hours. Click contact to start consultation.

 

 

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