Home > News

What are the UHMWPE Pipe Flange Connection Process and Precautions?

Pulished on Oct. 20, 2020

As a UHMWPE Tube Manufacturers, share with you. The most commonly used connection method for ultra-high molecular weight polyethylene pipes is flange connection, which is widely used because of its high strength, good sealing performance, and convenient and quick construction. The following describes the process of flange connection for ultra-high molecular weight polyethylene pipes. Follow the precautions.

UHMWPE Pipe

UHMWPE Pipe

1. The flange has been put on the ultra-high molecular weight polyethylene pipe after leaving the factory. Before assembling the flange, the flange should be cleaned to remove oil, dust, rust and other debris, and the sealing line should be removed.

2. Straighten the two corresponding connecting pieces so that the two connected flanges are perpendicular to the pipe axis and the surfaces are parallel to each other.

3. Bolts matching the flange specifications should be used, and the installation direction should be consistent. The bolts should be tightened symmetrically. The bolts after tightening should be out of the nuts, and the fasteners should be galvanized.

4. The length of the connecting UHMWPE pipe should be accurate. When the bolts are tightened, the pipe should not produce axial tension.

5. In the same pipe, the gaskets selected for flanges with the same pressure should be the same, so as to facilitate mutual exchange in the future.

6. The texture of the gasket should be flexible, not easy to age, and the surface should not be damaged, wrinkles, scratches and other defects.

7. Do not bury the flange directly in the ground because it is easy to be corroded. If it must be buried in the ground, it must be treated with anti-corrosion.

When connecting UHMWPE pipe flanges, in order to make the joint tight, the flange material must be selected according to the actual construction conditions. In addition, in the selection of gaskets, it should be as close to the small width as possible. Under the condition that the gasket will not be crushed, the tightness of the pipeline can be further tested after the connection of the UHMWPE pipe is completed.

Our company also has UHMWPE Pipe on sale, welcome to contact us.