Boiler Steam Drums
Steam drums engineered for power plants, industrial boilers, HRSGs and waste heat recovery systems. Designed and fabricated according to your working pressure, temperature and steam quality requirements.
ORL Power supplies new steam drums and replacement drums, including internal devices, nozzles and matching drum accessories, based on your drawings or detailed operating data.
Steam Drum Solutions
The steam drum is the heart of a water-tube boiler. It stores the steam–water mixture, separates steam from water and distributes water to riser and downcomer systems. Below are the key questions our customers care about most.
What design scope can ORL supply for steam drums?
We design and fabricate steam drums for low, medium and high-pressure boilers, including utility boilers, industrial boilers, biomass boilers and HRSG / waste heat boilers.
- • New boiler steam drums
- • Replacement drums for existing units
- • Horizontal or vertical arrangement
- • Matching downcomer / riser / header interfaces
Which materials are used for steam drum shells?
Material selection is based on your design pressure, temperature and corrosion requirements. We use certified boiler and pressure vessel steels from approved mills.
- • Carbon steel plates such as SA-516 Gr.70 or equivalent
- • Alloy steels such as SA-387 Gr.11 / Gr.22 / Gr.91 or equivalent
- • Matching Chinese GB grades available on request
- • Material traceability with mill certificates
How do you arrange delivery time for steam drums?
The production schedule depends on shell size, internal layout, inspection scope and project workload. After we receive your drawings and technical requirements, our commercial team will confirm a realistic delivery time according to your project schedule or outage window.
- • Engineering review before confirming schedule
- • Coordination with your site installation plan
- • Progress updates during fabrication
What inspections and documentation can you provide?
Each steam drum is delivered with a complete documentation package and can be witnessed by third-party inspection agencies according to your project requirements.
- • Material certificates and welding procedure records
- • Hydrostatic pressure test reports
- • RT / UT / PT / MT non-destructive testing records (as specified)
- • Dimensional and visual inspection reports
How do you ensure steam separation performance?
Internal devices are designed to provide stable water level and high steam purity according to your boiler design.
- • Steam separators, cyclones and chevron plates
- • Feedwater distribution and baffle systems
- • Internal layout matched with boiler circulation design
Can steam drums be customized for my project?
Yes. We support both “build to print” and “engineering support” modes. You can send us drawings, or share design data and let our engineers assist with proposals.
- • Custom nozzle quantity, size and orientation
- • Special internals and support structures
- • Corrosion-resistant overlay or cladding on request
Engineering & Manufacturing Scope
Instead of publishing fixed technical parameters, we design each steam drum according to your specific boiler data. Below is an overview of what we can do for you.
Design & Calculation
- • Design based on your boiler pressure, temperature and capacity
- • Steam drum sizing and circulation considerations
- • Nozzle layout coordinated with boiler and piping
- • Strength calculation according to applicable pressure vessel codes
Internal Devices
- • Steam separation devices (cyclones, chevron separators, dryers)
- • Feedwater distribution pipes and perforated pipes
- • Baffle plates, anti-surge and anti-vortex components
- • Manholes, handholes and internal access for maintenance
Manufacturing Capability
- • Shell rolling, longitudinal and circumferential welding
- • Heat treatment according to material and code requirements
- • Internal installation and fit-up of separators and pipes
- • Blasting, painting and packing for sea transport
Design Standards & Documentation
ORL Power can design and manufacture steam drums according to the main international and Chinese boiler / pressure vessel standards required by your project. The exact code will be confirmed during technical discussion.
Typical Materials We Work With
- • Carbon steel boiler plates for subcritical units
- • Cr-Mo alloy plates for high-temperature and high-pressure units
- • Matching tubes, headers and downcomers supplied as a package
Manufacturing Excellence
From shell rolling and welding to internal assembly and final testing, ORL Power controls each critical step of steam drum manufacturing to ensure safety and reliability in long-term operation.
Precision Fabrication
Boiler drum shells rolled and welded in-house
Internal Design
Steam separation and feedwater distribution devices installed
Quality Assurance
Hydrostatic testing and NDE before shipment
Get Your Steam Drum Quote
Share your basic boiler data, and our engineering & commercial team will get back to you with professional suggestions and a tailored quotation.
Engineering Support
What to Include in Your Inquiry:
- • Boiler type and application (power plant, industrial, HRSG, etc.)
- • Design pressure, temperature and steam capacity (if available)
- • Design code preference (ASME / GB / EN, etc.)
- • New project or replacement project
- • Expected installation / outage time