Lianyungang Huaneng Power Auxiliary Equipment Co., Ltd. · ISO 9001:2015
Desulfurization Damper Carbon Steel
Looking for a reliable desulfurization damper carbon steel? We are a China-based power auxiliary equipment manufacturer supplying carbon steel to power plants, coking plants and industrial boilers, with ISO 9001 / ISO 14001 / ISO 45001 certified production.
- ✓ Quotation in 12 working hours
- ✓ MOQ from 1 pc
- ✓ DDP door-to-door
Desulfurization Damper Carbon Steel engineered and fabricated in-house
Because design, cutting, welding, machining and assembly all happen in our Lianyungang works, desulfurization damper carbon steel orders move from drawing approval to factory acceptance test without third-party handoffs — the stage where most delivery delays and leakage problems start.
What we deliver
- Louver-type double-layer blades with sealing-air system for zero-leakage isolation
- Electric, pneumatic or electro-hydraulic actuation with torque limiting and position feedback
- Refractory lining and insulation interfaces engineered for high-temperature ducts
- Duct sections, mating flanges and expansion joints supplied to match the installation
- Factory acceptance test with leakage, torque and sealing-air reports for every unit
Technical specifications
| Body material | Carbon Steel (and 30+ certified grades) |
|---|---|
| Product | Desulfurization Damper |
| Sealing class | leakage rate below 0.5% with sealing air, 100% shut-off on request |
| Media | Flue gas, hot air, pulverized coal, dusty gas |
| Temperature | Up to 450 °C continuous, 650 °C short-term |
| Size range | Duct sections from 300 × 300 mm up to 6,000 × 6,000 mm |
| Actuation | Electric, pneumatic, electro-hydraulic or manual |
| Standards | ISO 9001:2015, GB/DL/T design codes, third-party inspection on request |
Why buyers choose Huaneng Power Auxiliary Equipment for desulfurization damper carbon steel
We quote within 24 working hours, keep a dedicated engineer on every project and never subcontract the critical welding and machining. That is why most of our revenue comes from repeat orders and maintenance shutdown programs.
- 24-hour quotation: sizing calculation, sealing concept and actuator recommendation included.
- Leakage performance: leakage rate below 0.5% with sealing air, 100% shut-off on request verified by factory acceptance testing before shipment.
- Material traceability: mill certificates archived per heat number, retrievable for 5 years.
- Retrofit capability: units dimensioned from site drawings, templates or measured flange positions.
- Qualified supplier: approved by Sinopec, PetroChina, China Guodian, China Datang, CNOOC and Chalco.
Applications we support
In industrial duty the desulfurization damper carbon steel works bi-directional isolation under high temperature and dust load. We size the shaft, bearings and actuator for the actual dust load and temperature of the duct, not just the nominal cross-section, because a gate that jams during a shutdown trip costs far more than the difference in purchase price. Critical welds are inspected 100% on the first unit and by sampling (AQL 1.0) afterwards.
How the project runs
- Send your enquiry — duct dimensions, media and temperature, or drawings of the existing installation.
- Engineering review — sizing, sealing concept, material selection and actuator proposal within 24 hours.
- Quotation — itemized fabrication, actuation, sealing-air system and packing cost.
- Drawing approval — GA and detail drawings issued for your sign-off before production starts.
- Fabrication & FAT — cutting, welding, machining and assembly, then leakage and torque testing witnessed by you or SGS/BV.
- Shipping & support — seaworthy wooden cases, export documentation, installation and commissioning guidance on site.
Related capabilities
Buyers sourcing desulfurization damper carbon steel usually also review our Desulfurization Damper capability, Industrial manufacturing solutions and request a quote. Full dimensional and material documentation is available on request.
FAQ
Questions about Desulfurization Damper Carbon Steel
What is the price of desulfurization damper carbon steel?
Pricing depends on size, material and sealing class. Send us the duct dimensions, design temperature and pressure, and we will return a detailed quotation with material and fabrication cost breakdown within 24 hours. Replacement units for existing installations can be dimensioned from site drawings or photos.
What is the lead time for desulfurization damper carbon steel?
Standard sizes ship in 15–25 working days after drawing approval; custom-engineered units typically need 20–30 days for custom-engineered units. Worldwide export packing and shipping are available.
Can you match our existing installation?
Yes. Most of our output is retrofit work: we dimension flue gas dampers, slide gates and silencers from site drawings, templates or measured flange positions, and supply mating flanges, expansion joints and sealing-air systems to match.
Do you support industrial projects?
Yes. We supply industrial operators with desulfurization damper carbon steel units tested for leakage, actuator torque and sealing-air pressure, complete with commissioning support and spare sealing parts. Our qualifications cover Sinopec, PetroChina, China Guodian, China Datang, CNOOC and Chalco supplier systems.