ASME Certified Serpentine Coil Economizer for 35T/h-75T/h Boilers with 4.54-10.92MPa Working Pressure

Price Negotiable
Price: 800 - 9000 USD / ton
MOQ: 5T
Delivery Time: 60-75days
Brand: HDT
Product Description
High-Efficiency Serpentine Coil Economizer for Boiler Systems
Our ASME-certified economizer coils are engineered to maximize boiler efficiency by recovering waste heat from exhaust gases to preheat feed water, significantly reducing energy consumption and operational costs.
Product Overview
Economizers are advanced heat exchange devices designed to capture thermal energy from boiler exhaust streams. By preheating incoming feed water, these systems improve overall boiler efficiency while maintaining operational reliability in demanding industrial environments.
Manufacturing Excellence
Produced using high-frequency welding technology and automated steel strip processing, our economizers feature continuous spiral welding on tube walls followed by precision bending and assembly. This manufacturing process ensures optimal heat transfer surface area within compact dimensions.
Industrial boiler economizer coil assembly with serpentine tube design
Technical Specifications
Model Name Specification Quantity Working Pressure Single Row Water Pressure Test Integral Test Pressure
35T/h CFB/CFBB/CFBC Boiler Bare Tube Economizer 32*3; 20-GB3087 124 Rows 4.54MPa 9.1MPa 5.25MPa
35T/h CFB/CFBB/CFBC Boiler Spiral Fin Tube Economizer 32*3; 20-GB3087 50 Rows 4.54MPa 9.1MPa 5.25MPa
35T/h Chain Grate Boiler Spiral Fin Tube Economizer 38*3; 20-GB3087 46 Rows 4.54MPa 9.1MPa 5.25MPa
48T/h CFB/CFBB/CFBC Boiler Spiral Fin Tube Economizer 38*4; 20G-GB5310 45 Rows 10.92MPa 21.84MPa 12.64MPa
75T/h CFB/CFBB/CFBC Boiler Bare Tube Economizer 32*3.5; 20G-GB5310 156 Rows 6.28MPa 12.56MPa 7.27MPa
Additional Specifications
  • Materials: Carbon Steel or Alloy Steel
  • Types Available: Bare tube economizer, finned tube economizer, spiral finned tube economizer, cast iron economizer
  • Application: Boiler heat exchanger parts for coal-fired steam boilers, hot water boilers, and CFBB bed boilers
  • Custom orders accepted for specific requirements
Close-up view of spiral fin tube economizer construction details
Key Advantages
  • Excellent anti-wear performance for extended service life
  • Compact structure design for space-efficient installation
  • High thermal efficiency for maximum energy recovery
  • Proven stability and reliability in continuous operation
Quality Certifications
ASME certification for boiler economizer manufacturing ISO quality management system certification for industrial equipment

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company ZHANGJIAGANG HUA DONG ENERGY TECHNOLOGY CO.,LTD
Location Rm. 1202, Buildiing A, Wanda Plaza, Zhangjiagang, Jiangsu, China
Contact Person Yolanda Zou

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