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Boiler Tubes Erosion Shields

Boiler Tubes Erosion Shields, also known as anti-corrosion Shields, anti-wear plate, anti-wear protection Shields, anti-wear cover plate, anti-corrosion cover plate, boiler climbing pipe, anti-wear pressure plate, etc. , which are used in combination with snap rings.

Processing thickness of Boiler Tubes Erosion Shields

Boiler Tubes Erosion Shields are processed in thicknesses of 2mm, 3mm, 4mm, and 5mm. Different thickness is adopted according to the wear severity and the need of heat conduction.

Boiler Tubes Erosion Shields are produced using a high-pressure press and professional mold pressing. The production time is short, the welding performance is good, the welding should not fall off, the surface is smooth, and the appearance is beautiful. Boiler Tubes Erosion Shields with bends are formed by pressing on a press or bending with a special abrasive on a tube bender.

Boiler erssion shield for protection boiler tube

Boiler erssion shield for protection boiler tube

Boiler Erosion Shields

Ash content, high furnace temperature, increased sootblower pressure and longer time between cleans – all these things result in the likelihood of greater erosion to boiler tubes.

In such cases, the most effective course of action is to shield the erosion prone tubes with boiler erosion shields. This alternative is far cheaper than actual replacement of damaged sections of boiler tube, to say nothing of the associated downtime and loss of generation capacity and revenue that occurs with a tube leak.

In addition to straight tube shields, which go over straight sections of boiler tube, we also make shields to cover bends and special shields for finned tubes.

The erosion shields can be made out of mild steel, chrome moly steel, stainless steel and exotic alloys such as Inconnel. The most popular materials and sizes are 3mm stainless steel grade 304 and 2mm stainless steel grade UNS S30815 (Sandvik grade 253MA). Our Bending uses certified material to A387 P11,P22 chrome moly and Australian Standard A240TP304, 316 and 309 stainless steel. Our shields can also be coated with a hard wearing chromium carbide coating for addtional wear resistance.

Boiler erosion shields
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Snap rings for Tubes Erosion Shields

Snap rings are used in conjunction with Boiler Tubes Erosion Shields, which is a clip that easily installs Boiler Tubes Erosion Shields to the tube. The snap ring and Boiler Tubes Erosion Shields are overlapped and welded, generally about 190-200 degrees Erosion Shields is a 180-degree semicircle), but also leave a welding position for easy welding and fixing. Generally, each piece of Boiler Tubes Erosion Shields needs to be equipped with 2-4 snap rings with a pitch of 200-500mm. The anti-wear snap ring is also called clamp, buckle, tube clamp, etc. The main role of the anti-wear tile snap ring: the role of fixing the anti-wear tile to avoid problems such as the anti-wear tile falling off during installation. The types of common anti-wear tile rings can be divided into: U-shaped lap type snap ring, butt-type semicircular snap ring. Install erosion shields with snap ring The snap ring is a short section that is installed on the pipe in conjunction with the wear-resistant tile. Generally...
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Bend Tube Shield

  Bend tube shield reduce excess wear of bend tubes within the extreme conditions prevalent inside a fossil fuel fired boiler, we are able to manufacture and supply erosion shield solutions to protect and reduce wear in all applicable boiler related situations. Bend tube shield to suit any diameter tube can be manufactured from various alloy and stainless steel materials. Shapes and specifications of tube shields The cross-sectional shape of boiler tubes shields is mostly semi-circular (180 degrees), and there are also 120-160 degrees. It is mainly used on finned tubes (water-cooled walls); boiler tube erosion shields are divided into direct wear-resistant shields, in-curve, anti-wear shields, outer-curve, anti-wear shields, side-curve anti-wear shields, s-curve anti-wear shields, etc. Tube shields-outside bend and side bend types The length of the straight anti-wear shields ranges from 20mm to 3000mm, and the general length of 1000-2000mm is commonly used. The anti-wear shields wi...
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