Pit Type Resistance Furnace | Precision Tempering Heat Treatment Solution
[City, Date] – Our company proudly introduces the Pit Type Resistance Furnace, a high-efficiency solution designed for the
tempering heat treatment of small and medium-sized metal and alloy parts. With a maximum working temperature of 650℃,
the furnace ensures uniform heating, reliable temperature control, and energy-saving performance—making it an ideal choice for
precision industries such as automotive, aerospace, machinery manufacturing, and metal processing.
What is a Pit Type Resistance Furnace?
A pit type resistance furnace is a vertical industrial furnace used primarily for tempering and low-temperature heat treatment.
Equipped with a powerful ventilator and stainless-steel air guide system, it guarantees uniform temperature distribution across
all parts, ensuring consistent quality in every heat treatment process.
Key Features & Advantages
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Wide Application: Suitable for alloy steel, carbon steel, and non-ferrous metal parts.
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High Precision: ±1℃ control accuracy with Shimaden (Japan) PID temperature controller and 10.1-inch touchscreen interface.
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Uniform Heating: Hot air circulation fan and 304 stainless steel air ducts maintain ±5℃ temperature uniformity.
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Energy Efficient: Fiber insulation structure reduces heat loss and keeps empty furnace power consumption ≤10%.
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Durability: Built with 0Cr25AL5 resistance strips and high-quality refractory materials for long service life.
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Safe Operation: Automatic interlock system cuts off power when the furnace cover is open.
Technical Specifications
| Item |
Specification |
| Rated Power |
95KW (adjustable 1–100%) |
| Power Supply |
380V, 3P, 50Hz |
| Max. Temperature |
650℃ |
| Working Range |
400–550℃ |
| Temperature Uniformity |
±5℃ |
| Control Accuracy |
±1℃ |
| Effective Size |
φ1000×2200mm |
| Furnace Cover |
Electric screw lifting, sealed with refractory fiber/sand |
| Insulation |
Fiber lining, low heat conductivity |
| Circulation Fan |
4KW centrifugal fan, air-cooled shaft |
Why Choose Our Pit Type Furnace?
With advanced insulation design, automated PID control, and robust safety systems, this furnace provides:
As one of the leading furnace manufacturers in China, we supply customized heat treatment solutions for
customers worldwide. All equipment is manufactured in compliance with industrial safety and quality standards, and
critical components are sourced from trusted brands like Shimaden (Japan), Shougang (China), and Luyang (Shandong).
Frequently Asked Questions (FAQ)
Q1: What materials can be treated in a pit type resistance furnace?
A: Alloy steel, carbon steel, and non-ferrous metal parts for tempering heat treatment.
Q2: How does it ensure temperature uniformity?
A: A hot air circulation fan with stainless-steel ducts maintains even temperature distribution.
Q3: What industries benefit most from this furnace?
A: Automotive, aerospace, metallurgy, machinery manufacturing, and precision component processing.
Contact Us
For more details about our pit type resistance furnace or to request a custom heat treatment solution, please
contact our sales team today.
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