Carbon steel slip-on RF casting flange B16.5

September 30, 2020

L 1000

Slip on pipe flanges actually slip over the pipe. These pipe flanges are typically machined with an inside diameter slightly larger than the outside diameter of the pipe. Slip on pipe flanges are secured to the pipe with a fillet weld at the top and the bottom of the slip on pipe flanges.

With the popularization of gas, the construction and protection of gas pipeline engineering is very important. The supporting equipment also includes insulating flanges. Like insulating joints, insulating flanges are products produced for the petroleum and chemical industries.

The insulating flange has a simple structure and is safe to use. However, the insulating flange also has the difference between the old-fashioned insulating flange and the new insulating flange. The industrially developed advantages are the reduction of the production cost and the improvement of the product quality. Comparison of new and old versions of insulating flanges can better illustrate this point.

Vintage insulating flange

The composition of the old-fashioned insulating flange: between the two butt-welding plane flanges, flange insulating gaskets are installed, and insulating sleeves and insulating bolt gaskets are added to the fastening bolts. Its flange insulation gasket material is made of oil-resistant rubber asbestos board, neoprene rubber board, fabric base neoprene rubber board and PTFE material. Insulation bolt sleeves and bolt insulation gaskets are made of high-strength phenolic laminates and cloth tubes. Its characteristics are: good steel, stable insulation properties, need a special installation location dedicated installation, high cost.

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Ms. Xing

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