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MAHENDRA THERMO ELECTRICALS AND EQUIPMENT
GST : 27AXLPG7164R1ZL

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Industrial Bolt Heaters

Industrial Bolt Heaters Specification

Usage & Applications
Heating of large diameter bolts, industrial maintenance, turbine bolt heating, power plants, refineries

Type
Bolt Heaters

Material
Stainless Steel

Capacity
As per model

Voltage
230V / 415V AC

Power
1 kW to 6 kW

Power Source
Electric

Input Voltage
230V / 415V

Output Voltage
As per application

Installation Type
Insert Type

Dimension (L*W*H)
Custom as per requirement

Weight (kg)
Depends on length & size

Color
Silver

Protection Class
IP54 / IP65

Sheath Material
SS304 / SS316

Lead Connection
Flexible cable leads or terminal post

Length Range
From 100 mm up to 2000 mm

Design
Customizable as per client specification

Insulation
High purity magnesium oxide (MgO)

Heating Element
High grade nickel-chromium resistance wire

Diameter Range
From 6 mm to 40 mm

Max Operating Temperature
Up to 750°C

Industrial Bolt Heaters Trade Information

Minimum Order Quantity
12 Pieces

Payment Terms
Telegraphic Transfer (T/T), Cheque

Supply Ability
300 Pieces Per Week

Delivery Time
16-20 Days

Sample Available
Yes

Sample Policy
Sample costs shipping and taxes has to be paid by the buyer

Packaging Details
as per requirements

Main Export Market(s)
Australia, North America, South America, Eastern Europe, Middle East, Africa, Central America, Western Europe, Asia

Main Domestic Market
All India

About Industrial Bolt Heaters

With the assistance of our skilled workforce, we are offering our clients an Industrial Bolt Heaters. These heaters are designed for uniform heating of the matching bolts. Our provided heaters are designed for offering the maximum watt density rating on the heated tube length. Also, these Industrial Bolt Heaters are highly recognized by people due to their corrosion-proof nature, high performance and smooth operation.

Features:

Two high-temperature resistance wires
Flame retardant property
Electrical enclosure with knock-outs for easy wiring

Efficient Heating Technology

Designed for rapid and uniform heating, these bolt heaters utilize high-purity magnesium oxide (MgO) insulation and premium nickel-chromium resistance elements, ensuring consistent performance at temperatures up to 750C. The stainless steel sheath provides excellent durability and corrosion resistance, even in demanding industrial environments.

Customizable and Versatile Solutions

We offer fully customizable diameter (6 mm - 40 mm) and length (100 mm - 2000 mm) options, allowing each heater to be tailored for specific bolts or operating conditions. Flexible cable leads or terminal posts and installation-friendly insert design make integration seamless in diverse industries, from power plants to refineries.

Built for Industrial Reliability

Our bolt heaters meet rigorous IP54/IP65 protection standards, providing dust and water resistance for safe usage in industrial maintenance scenarios. They operate on 230V or 415V AC with power ratings from 1 kW to 6 kW, offering robust and dependable performance for critical bolt heating operations.

FAQ's of Industrial Bolt Heaters:

Q: How are industrial bolt heaters installed and operated?

A: Industrial bolt heaters are typically inserted directly into pre-drilled holes in large-diameter bolts. Powered by a 230V or 415V AC electric source, they rapidly heat the bolt using an internal nickel-chromium resistance wire. Installation is straightforward due to flexible cable leads or terminal posts, and the process ensures even expansion for maintenance or assembly tasks.

Q: What are the main benefits of using SS304 or SS316 sheath materials in bolt heaters?

A: Using SS304 or SS316 stainless steel sheaths provides excellent resistance to corrosion, high temperatures, and mechanical wear, which is critical for sustained industrial operation. This ensures longer service life and reliable performance in harsh environments like power plants and refineries.

Q: When should bolt heaters be used in industrial applications?

A: Bolt heaters are essential when preheating large-diameter bolts for assembly or disassembly, particularly in maintenance operations of turbines, engines, or heavy equipment. The uniform heating process helps to safely expand bolts, facilitating easier removal or tightening without damaging components.

Q: What customization options are available for industrial bolt heaters?

A: We provide extensive customization, including various diameters (6-40 mm), lengths (100-2000 mm), wattages (1-6 kW), and voltage options. Designs can be adapted for specific bolt sizes and installations, with choices for sheath material, electrical connection type, and protection class based on user application.

Q: Where are these bolt heaters most commonly used?

A: Our bolt heaters are widely used in power generation plants, oil refineries, heavy industrial maintenance workshops, and any setting requiring the controlled heating of large bolts, particularly in turbines and engines. They are also employed by service professionals, distributors, and maintenance teams across India.

Q: What is the heating process and how does insulation contribute to efficiency?

A: The heater generates heat through a high-grade nichrome wire encased in magnesium oxide (MgO) insulation, which maximizes thermal transfer while minimizing energy loss. This results in rapid, concentrated heating of the bolt, improving overall maintenance efficiency and safety.