1200°C Hydrogen Atmosphere Pit Furnace

Overview

The GWL-1200ZQJ/D730/1000 hydrogen atmosphere pit furnace is engineered for heat treatment of tungsten and molybdenum materials under clean hydrogen atmosphere. With a maximum operating temperature of 1200°C, three-zone independent temperature control, and a 105 kW power system, it ensures uniform heating, stable material properties, and safe operation for refractory metal processing.

Product Features

Precision Temperature Control

Rated operating temperature 1200°C
Long-term operating temperature 1150°C
Control range 50 to 1200°C
Upper, middle, and lower three-zone independent control
Effective temperature zone D730×1000 mm with ±5°C uniformity
Robust Furnace Construction
Furnace dimensions D800×1300 mm
Furnace tube material 310S stainless steel
Tube wall thickness 15 mm, lid thickness 25 mm
Sealed inner liner, high temperature resistant
Total power 105 kW
Hydrogen Safety System
Vacuum system 25 L/s
Includes controls, air intake, and piping
Hydrogen combustion automatic ignition
Maintains clean processing atmosphere
Platform 2×2×2 with stairs for safe operation

Technical Specifications

Parameter	Specification
Model	GWL-1200ZQJ/D730/1000
Furnace Dimensions	D800×1300 mm
Effective Temperature Zone	D730×1000 mm (±5°C)
Temperature Control Zones	3 independent (upper, middle, lower)
Max. Operating Temperature	1200°C
Long-term Operating Temperature	1150°C
Total Power	105 kW
Vacuum System	25 L/s (with controls, intake, piping)
Hydrogen Combustion	Automatic combustion
Furnace Tube Material	310S stainless steel
Tube Wall Thickness	15 mm
Lid Thickness	25 mm
Platform	2×2×2 (with stairs)
Production Cycle	30-40 days

Applications

Tungsten and molybdenum annealing in hydrogen atmosphere
Refractory metal heat treatment and sintering
Clean processing of high-purity metal materials
Research and production of tungsten-molybdenum alloys
Vertical loading of long shafts, tubes, and rods

Why Choose GWDLTHERM Hydrogen Pit Furnace

Designed specifically for tungsten and molybdenum processing
Three-zone independent control ensures temperature uniformity
Automatic hydrogen combustion system for enhanced safety
Durable 310S stainless steel furnace tube for long service life
Custom platform and configuration available
Reliable delivery within 30-40 days

FAQ

Q1: What materials can be processed in this furnace?

A1: The furnace is designed for tungsten, molybdenum, and other refractory metals requiring hydrogen atmosphere heat treatment.

Q2: How is temperature uniformity achieved?

A2: The furnace uses three independent temperature control zones (upper, middle, and lower), maintaining ±5°C uniformity across the D730×1000 mm effective zone.

Q3: What safety measures are included for hydrogen use?

A3: The system features automatic hydrogen combustion, a 25 L/s vacuum system with full controls and piping, and a dedicated platform with stairs for safe operation.

Q4: What is the furnace tube made of?

A4: The furnace tube is made of 310S stainless steel with 15 mm wall thickness and 25 mm lid thickness, providing excellent high-temperature durability.