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Welcome to Wujiang Hongcheng Heating Equipment Co., Ltd. – your specialized manufacturer of PWHT (Post-Weld Heat Treatment) equipment, industrial ceramic heaters, and automated thermal control systems. Our comprehensive product catalog offers precision-engineered heating solutions for petrochemical, power generation, metallurgical, and heavy manufacturing applications worldwide.

Industrial Ceramic Heaters for PWHT Applications

CP Ceramic Heater Systems

CP Ceramic Heater –

Ceramic Heating Element is manufactured by multi-strand quality 80/20 Nichrome heating wire through passages within interlocking ceramic beads, 

complete with two electrically insulated camlock, which is protected from being heated by cold pure nickle wire that connects the heating wire.

Core Technical Specifications:

• Heating Element: Oxide lead ceramic insulation with nickel-chromium heating wire
• Maximum Surface Temperature: 1050°C
• Power Density: High-efficiency thermal radiation exceeding induction heating methods
• Flexibility: Splicing, bending, and winding capability for complex geometries
• Application: Pre-welding preheating and post-welding stress relief for heavy industry

Key Features:

• New-Process Welded Joints: Enhanced durability and thermal conductivity
• Modular Configuration: Customizable length and power output for localized or overall heat treatment
• Rapid Heating Speed: Superior efficiency compared to traditional induction methods.

Transformer- heat treatment machine

TDKW post weld heat treatment machine

Our PWHT equipments are  far infrared heating equipment with PID system. 

Their main applications are pipeline heating, pre-welding heating, post-welding heat treatment, stress relief,, annealing,ect. 

Core Technical Features:ase

1. Pre-heating: Straight seam weld, longitudinal, circumferential weld, thick steel plate etc.

2. Post-welding heat treatment: tank, boiler or other metal jobs

3. Heating: mold heating, shipboard, zinc bath, large& irregular metal parts

4. Pipeline heating: pipeline oil, pipeline gas, pipeline water, pipeline petrochemical and other pipeline material

The using fields involved are petrochemical, oil and gas pipelines, aerospace, shipbuilding, steel, Hydropower construction ,

tanks, boilers, vessels, pressure vessels, cylinders, metal structure, spatial structure, railway bridges, electricity water, mine construction,

 vehicle manufacturing, nuclear power, mining, plastics processing, energy saving process, screw barrel industries,ect.

Application Scope:

• Automated pre-welding preheating sequences
• Post-weld heat treatment (PWHT) stress relief cycles
• Multi-zone temperature control for large structural components

Intelligent Temperature Control Instrumentation

Smart PWHT Control Systems – Advanced regulation equipment for precision thermal processing.

Features:

• Multi-Channel Temperature Monitoring: Simultaneous control of multiple heating zones
• Programmable Thermal Cycles: Pre-set heating and cooling ramp rates
• Real-Time Data Logging: Temperature curve recording for quality assurance documentation

Power Cable Set & Splitter cable

Triple Cable Sets

The triple cable set consists of two lengths of heat and oil resistant and flame retardant (HOFR), double insulated copper cable complete 

with two 300 amp female camlock connectors on one end and two 300 amp male camlock connectors on the other end. Running alongside

 the copper cable is a length of compensating cable which has a thermocouple plug on one end and a thermocouple socket on the opposite end.

– 16mm² 135A welding cable,  300A camlock, Type K compensating cable, STD thermocouple connectors

– 25mm² 185A welding cable,  300A camlock, Type K compensating cable, STD thermocouple connectors

Length: 15m,25m, 30m

Splitter cables to heater

Material: 16mm²  welding cable, PVC or Rubber double insulated
.                 10mm²  welding cable, PVC or Rubber double insulated
60A female camlock connector
300A male camlock connector

Specification:
-2 way splitter cable set
-3 way splitter cable set
-4 way splitter cable set

Customized Experimental Heating Equipment

Research-Grade Experimental Furnaces

Customized Laboratory Heating Systems – Precision thermal equipment designed for material science research and university laboratories.

Served Institutions:

• Beijing University of Aeronautics and Astronautics (BUAA): Custom experimental furnace systems
• Beijing University of Technology: Tracked heating equipment for material testing

Customization Capabilities:

• Temperature Range: Tailored from 300°C to 1200°C based on research requirements
• Chamber Dimensions: Custom-sized heating zones for specific specimen geometries
• Atmosphere Control: Inert gas or vacuum environment compatibility
• Data Integration: Interface with laboratory data acquisition systems

PWHT Engineering Services & Turnkey Solutions

On-Site Heat Treatment Engineering

Complete PWHT Project Execution – Comprehensive heat treatment services for large-scale industrial components.

Service Capabilities:

• Localized Heat Treatment: Targeted thermal processing for welded joints, pipe connections, and structural repairs
• Overall Heat Treatment: Full-body thermal stress relief for spherical tanks, pressure vessels, and tower structures
• Mobile Equipment Deployment: On-site setup and execution for refinery and power plant projects

Proven Project Experience:

• Petrochemical: Sinopec refineries, Shenghong Petrochemical pipeline systems
• Natural Gas: Sichuan Puguang Natural Gas Purification Plant (Asia’s largest)
• Power Generation: Three Gorges Project, Ertan Hydropower Station, Saudi Arabia power plants
• Heavy Industry: Baosteel and Ansteel large structural components

Technical Support & Consultation

Expert Engineering Assistance – Professional guidance for heat treatment process design and execution.

Services Include:

• Pre-welding thermal process planning
• PWHT procedure specification development
• Temperature curve optimization for material-specific requirements
• Quality assurance documentation and reporting

Technical Resources & Documentation

Available Technical Support

Engineering Documentation:

• Product specification sheets with detailed technical parameters
• Heat treatment procedure guidelines for various materials
• Temperature curve references for standard PWHT cycles
• Safety operation manuals for ceramic heaters and control systems

Technical Consultation:

• Pre-project thermal engineering assessment
• Material-specific PWHT procedure development
• Equipment selection and sizing calculations
• On-site commissioning and training services

Contact & Inquiry

Request a Custom PWHT Solution

For technical specifications, custom equipment design, or project quotations, contact our engineering team:

Wujiang Hongcheng Electric Heating Equipment Co., Ltd.

Primary Contact:
Owen Zhu, Manager

Phone/WhatsApp:
+86-18913084838

Email:
owenzjy@foxmail.com

Factory Address:
Longnan Village, Meiyan, Pingwang Town, Wujiang District, Suzhou, Jiangsu Province, China

Inquiry Information to Provide:

• Component type and dimensions requiring heat treatment
• Material specifications and welding process details
• Required temperature range and thermal cycle parameters
• Project timeline and delivery location
• Quantity requirements (equipment purchase or engineering services)

Why Choose Wujiang Hongcheng for PWHT Equipment:

✓ 20+ Years Industry Experience – Proven track record since 2002 in national key projects
✓ Proprietary Technology – PC-104 based DKW temperature control system with ceramic heating expertise
✓ Global Project Portfolio – Successfully served Fortune 500 companies and international markets
✓ Comprehensive Solutions – From equipment supply to turnkey engineering services
✓ Technical Backing – Strategic partnership with Zhejiang University for cutting-edge research
✓ Quality Assurance – High-tech enterprise certification with standardized manufacturing processes

Explore our complete PWHT equipment catalog and discover precision heating solutions engineered for industrial excellence.