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Product Name | Termochimica water spray & sprial membrane tray type deaerator with water tank |
Applied Area | Hot water boiler, power plant boiler |
Shell Plate Material | - Carbon Steel : Q245R, P265GH, SA516-Gr.60/65/70 - Alloy Steel : Q345R, 15CrMoR, P355GH - Stainless Steel : 304 |
Nozzle Tube Material | As per design |
Standard | China GB, ASME |
Manufacturer Grade | China III Grade, ABS Certificated, TUV Certificated |
Pressure Vessel Class | Class I (acc. to China GB150 code) |
Capacity | for 2 - 220 t/h boiler use |
Working Temperature | - 98 ~ 105 ℃ - 130 ~ 135 ℃ - 160 ~ 165 ℃ |
Design Temperature | 230 ℃ |
Working Pressure | 0.2 MPa |
Design Pressure | 0.4 MPa |
Oxygen Removal Type | Sprial Membrane Tray |
Oxygen Removal Rate | ≤7 ug/L |
Water Steam Flow | Counter Flow |
Water Tank Diameter | Φ900 ~ Φ2,800 mm |
Water Tank Length | As per Customer requirements |
Welding | Automatic GMAW, GTAW(TIG) |
Welding NDT | 100% RT, 100% PT |
De-aerator dome is a device mixing water and steam to heat up water to saturation temperature. The steam strips the Oxygen and other dissolved gases from the boiler feedwater and exits via the vent valve at the top of the dome.

The deaerated water flows down into the horizontal storage vessel. Low-pressure heating steam, which enters the horizontal vessel through a sparger pipe in the bottom of the vessel, is provided to keep the stored boiler feedwater warm. External insulation (not in scope of supply) of the vessel is typically installed to minimize heat loss.














Different packing methods are chosen depend on transportation type.
A: General small equipment will be ready for shipment in 20-25 days if the materials are in stock, or in 35-40 days if the materials are not in stock.
Large equipment delivery time should be determined after technical discussion. Please contact our sales.
A: Yes, we could offer the sample tube or sample materials for free charge, but the cost of freight should be paid by Customer.
A: General small equipment, the 100% of contract price should be paid after signing. Alibaba third party guarantee is available.
Large equipment payment schedule, please contact our sales.
A: General small equipment we guarantee 12 months from the date of shipment departure.
Large equipment warranty period is 12 months from the date of commissioning or 18 months from the date of shipment departure which occurs earlier.

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