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  • LSMSFI Visible Rotor Sight Glass Flow Indicator
  • LSMSFI Visible Rotor Sight Glass Flow Indicator
  • LSMSFI Visible Rotor Sight Glass Flow Indicator
  • LSMSFI Visible Rotor Sight Glass Flow Indicator
  • LSMSFI Visible Rotor Sight Glass Flow Indicator
  • LSMSFI Visible Rotor Sight Glass Flow Indicator
LSMSFI Visible Rotor Sight Glass Flow Indicator

LSMSFI Visible Rotor Sight Glass Flow Indicator

  • 10 - 99 Pieces
    $30
  • >= 100 Pieces
    $27

Customization:

Customized logo（Min.Order: 1 pieces）
View product details

LSMSFI Visible Rotor Sight Glass Flow Indicator

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Flow Measurement & Visual Inspection: Equipped with a transparent rotor chamber and red star-shaped rotor, the LSMSFI enables real-time visual monitoring of fluid flow dynamics while providing accurate volumetric measurement.
  • Corrosion-Resistant Construction: Built with customizable stainless steel grades (e.g., 304/316), the component withstands harsh chemicals and industrial environments, ensuring long-term durability.

Key features

  • 1. Corrosion-Resistant Stainless Steel Construction

    • With corrosion-resistant stainless steel construction, ensure durability in harsh chemical environments. ~30% longer lifespan compared to carbon steel alternatives*

  • 2. Transparent Rotor Design for Real-Time Monitoring

    • With a transparent rotor design, monitor flow status visually without interrupting operations. Eliminate the need for system shutdowns compared to opaque models*

  • 3. Precision-Engineered Flow Measurement Accuracy

    • With a precision-engineered rotor mechanism, achieve real-time flow measurement accuracy. Outperform traditional mechanical flow indicators by up to 25% in precision*

  • 4. Customizable Adaptability for Diverse Applications

    • With customizable material grades (e.g., 316 stainless steel) and sizes, adapt to industries like chemical processing or water treatment. Compatible with ~20% more environments than standard models*

  • 5. Compliance with Industry Standards and Certifications

    • With customizable materials meeting industry certifications (e.g., chemical-resistant grades), ensure safety and regulatory compliance. Meet over 90% of industrial safety requirements*

Product details

LSMSFI Visible Rotor Sight Glass Flow Indicator

The LSMSFI Visible Rotor Sight Glass Flow Indicator is a robust flow measurement solution designed for industrial applications requiring corrosion resistance and real-time flow visualization. Crafted from high-grade stainless steel, carbon steel, or steel, this component features a cylindrical body with hexagonal flanges for secure pipe integration and a transparent rotor chamber for visual inspection. Its BSPT standard and casting manufacturing process ensure precision and durability in harsh environments.

Technical specifications

FeatureSpecificationBenefit
Material CompositionStainless Steel (304/316), Carbon SteelEnhanced corrosion resistance and longevity
Connection TypeFemale threads (NPT, BSPP)Universal compatibility with global systems
Transparent RotorStar-shaped rotor in polycarbonate housingReal-time flow monitoring without downtime
Thread StandardBSPTMeets international industrial benchmarks
Manufacturing ProcessPrecision castingSuperior structural integrity and accuracy

Customization guide

  • Material Customization: Adjust stainless steel grades (e.g., 316 for chemical resistance) to match corrosive environments.
  • Size Adaptation: Modify body diameter to fit pipe systems of varying scales.
  • Thread Configuration: Swap NPT/BSPP threads to align with regional or project-specific standards.

Get inspired

Visualize seamless flow monitoring with the LSMSFI’s transparent rotor chamber. Ideal for water treatment, chemical processing, or industrial automation, this indicator combines durability with intuitive operation—ensuring reliability without compromising visibility.

Choose your model

ParameterBase Model (Carbon Steel)Advanced Model (Stainless 304)Pro Model (Stainless 316)
Material GradeCarbon Steel304 Stainless Steel316L Stainless Steel
Max Pressure Rating300 psi450 psi (+50%)600 psi (+100%)*
Corrosion ResistanceModerateHighUltra-High (+40% vs. 304)
Flow Rate Capacity50–200 GPM75–300 GPM (+25%)100–400 GPM (+50%)

Supplier's note

  1. Technical Breakthroughs:

    • The visible rotor enables real-time flow visualization, eliminating the need for system shutdowns.
    • Material flexibility (304/316 stainless steel) ensures compatibility with aggressive chemicals and high-pressure scenarios.
    • Multi-thread compatibility (NPT/BSPP) simplifies global deployment across diverse infrastructure.

  2. Version Selection Guidance:

    • Base Model: Ideal for general industrial use where cost efficiency is prioritized (e.g., municipal water systems).
    • Advanced Model: Suited for moderate corrosive environments (e.g., food processing) with enhanced pressure tolerance.
    • Pro Model: Recommended for extreme conditions (e.g., chemical plants) where ultra-corrosion resistance and high-pressure handling are critical.

*Pro Model’s 600 psi rating exceeds industry benchmarks by 33%, enabling safe operation in high-stress pipelines.

Frequently asked questions

  • Which stainless steel flow indicator suits harsh chemical environments?

  • How to clean the rotor of a visible sight glass flow meter?

  • Stainless steel vs carbon steel flow indicators: Which is better for corrosive pipelines?

  • Can the LSMSFI flow indicator be customized for specific pipe diameters?

  • Is the visible rotor flow meter compliant with ISO standards?

  • What are the benefits of a visible rotor in flow indicators?

  • Which thread type (NPT vs BSPP) suits high-pressure pipelines?

  • Where are visible rotor flow indicators commonly used?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material CompositionHarsh chemical environments, marine applicationsStainless Steel (Grade 316, ASTM A240) ▲
Carbon Steel (Base Tier)		▲ Our Advanced: Resists 98%+ corrosives (ASTM G48)
Industry Standard: Carbon Steel (ASTM A105)		Higher cost for 316 grade; Base tier limited to neutral environments
Connection StandardsCross-industry piping systemsIndustry: BSPT only
Our Base: NPT + BSPP
Our Advanced: NPT/BSPP/ISO 228-1		▲ Advanced: Universal compatibility for global installations
Base: Cost-effective for US/EU markets		Requires expertise for multi-standard installations
Design & VisibilityReal-time flow monitoring in factoriesTransparent Cylindrical Body with Visual Inspection Port (IP65 Rated)Enables non-invasive flow verification during operation
Industry: Blind designs require shutdowns		Limited to low-pressure systems (≤40 bar) due to glass port safety constraints
Flow Measurement PrecisionFluid metering in chemical plantsRotor Accuracy: ±2% (ISO 4064 Class 0.5) ▲
Industry: ±5% tolerance		▲ Advanced: 0.1 L/min resolution vs. Industry’s 1 L/minRequires clean fluids; clogging risks with particulates
Corrosion ResistanceOil refineries, wastewater treatmentPassivation Layer (≥50 µm thickness)
Base: 25 µm		▲ Advanced: 10-year lifecycle vs. Industry’s 5 yearsHigher maintenance costs for passivation reapplication
Customization FlexibilityCustom pipeline retrofit projectsDiameter Range: 15–200 mm (ISO 6708)
Industry: 25–150 mm		▲ Advanced: Custom thread adapters (e.g., G1/2" to 4")Lead time increases for non-standard sizes

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