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HRV104 Worm Gear Reducer for High-Temperature Industry
Non-standard Gearbox
HRV104 Worm Gear Reducer for High-Temperature Industry.jpg

HRV104 Worm Gear Reducer for High-Temperature Industry

The HRV104 Worm Gear Reducer is a heavy-duty, thermally optimized worm gearbox engineered specifically for continuous operation in extreme high-temperature environments—such as steel mills, glass furnaces, ceramic kilns, and cement rotary kilns—where ambient temperatures can exceed 200°C (392°F) near the equipment.

Unlike standard worm gearboxes that fail under thermal stress, the HRV104 features specialized heat-resistant materials, advanced thermal management, and reinforced sealing systems to ensure reliable torque transmission, long service life, and minimal downtime—even when mounted directly on hot process machinery.

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    product Information

    Key advantages include

    Specially designed for ambient temperatures up to 250°C
    High reduction ratios (up to 100:1) in a compact footprint
    Self-locking function prevents back-driving—critical for safety in lifting or inclined applications
    Robust cast iron housing with extended cooling fins for passive heat dissipation
    Compatibility with high-temperature lubricants and seals
    By maintaining stable performance under thermal cycling and radiant heat, the HRV104 enables safer, more efficient operation in some of the world’s most demanding industrial settings.
    HRV104 Worm Gear Reducer for High-Temperature Industry (1)

    Technical Parameter

    Type

    Ratio

    Power

    HRV104

    31.5

    0.75KW 1.1KW 1.5KW 2.2KW 3KW 4KW 5.5KW 7.5KW

    Product Advantages

    High-Temperature Resistant Construction

    Housing made from HT250 gray iron with enhanced graphite structure for superior thermal stability and resistance to warping at elevated temperatures.

    Specialized High-Temp Seals & Lubricants

    Equipped with FKM (Viton®) or PTFE seals and pre-filled with synthetic PAO or ester-based oil rated for continuous use up to 180–220°C.

    Extended Cooling Fins & Heat-Dissipating Design

    Large external fins increase surface area for passive air cooling—reducing internal oil temperature without external coolers.

    Self-Locking Safety Feature

    Inherent worm gear geometry provides automatic braking when power is off—ideal for hoists, dampers, or incline conveyors in hot zones.

    Corrosion & Scale Resistance

    Optional high-temp powder coating or aluminized finish protects against oxidation, flue gas corrosion, and scale buildup in furnace environments.

    Easy Integration with Thermal Barriers

    Designed to work seamlessly with heat shields, insulation wraps, or air purge systems—common in steel and glass plants—to further isolate the gearbox from radiant heat.

    product Information

    How To Select The Right Model & When To Use This Gearbox

    When to Choose the HRV104 Worm Reducer?
    This gearbox is ideal when your application involves:
    Ambient or radiant temperatures above 100°C
    Need for self-locking (anti-backdrive) functionality
    Space constraints requiring compact right-angle drive
    Moderate efficiency is acceptable (typical worm efficiency: 50–85%)
    Low-to-medium speed, high-torque output requirements
    ❌ Not recommended for high-speed input (>1,500 rpm) or applications requiring >90% efficiency.
    HRV104 Worm Gear Reducer for High-Temperature Industry (2)
    HRV104 Worm Gear Reducer for High-Temperature Industry (3)
    Selection Checklist
    To specify the correct HRV104 unit, provide:
    Operating ambient temperature (including peak exposure)
    Required output torque and speed
    Motor power and mounting type (IEC B5/B14/flange)
    Duty cycle (continuous, intermittent, reversing)
    Presence of thermal shielding or cooling aids
    Environmental hazards (dust, moisture, chemical exposure)
    Our engineering team offers thermal simulation support, lubricant compatibility checks, and custom modification services (e.g., extended shafts, special coatings).

    Applications

    Its reliability in extreme conditions makes it a trusted solution for mission-critical motion control near furnaces, kilns, and molten material streams.

    The HRV104 Worm Gear Reducer is widely used in high-heat industrial processes

    • Steel Industry: Slab transfer cars, ladle turret drives, furnace door openers

    • Glass Manufacturing: Batch charger drives, forehearth stirrers, lehr conveyor adjusters

    • Cement & Lime: Kiln inlet/outlet gate actuators, cooler grates, dust collector dampers

    • Ceramics & Refractories: Kiln car pushers, roller hearth positioners

    • Power Plants: Ash handling valves, boiler soot blowers, flue gas dampers

    • Foundries: Molding line indexers, core shooter mechanisms

    Frequently Asked Questions (FAQ)

    • Q1: Can the HRV104 operate at 250°C ambient temperature?

      A: Yes—but only with high-temperature lubricant (e.g., Mobil SHC 636 or equivalent) and optional thermal protection (e.g., heat shield, air purge). Continuous oil temperature must stay below 120°C internally; external measures are often required.

    • Q2: Is the HRV104 self-locking?

    • Q3: What’s the typical service life in a steel mill?

    • Q4: Can I mount it vertically?

    • Q5: Do you offer explosion-proof versions?

    • Q6: How do I prevent heat damage during installation near a furnace?

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    LET'S DISCUSS YOUR PROJECT

    For inquiries about our products or pricelist, please leave your email to us and we will be in touch within 24 hours.