Wholesale polyethylene plastic brackets

Wholesale polyethylene plastic brackets

Mainly used for interface connection of thermal pipelines, oil pipelines, natural gas pipelines, and anti-corrosion and insulation pipelines. Features: High adhesive strength, good sealing performance, corrosion resistance, long service life, easy to use.

Installation of hot melt sleeve
1. When installing the hot melt sleeve, if there is soil or dirt at the joint, place the hot melt sleeve between the joints and ensure that the heating wire is placed on top of the outer cover;

2. Overlap the hot melt sleeve and place a pressure plate at the large longitudinal joint of the hot melt to ensure a tight interface overlap. The electric heating ratio at both ends of the hot melt sleeve should be tightly tied and secured with packing tape, without loosening;

3. Connect the hot melt electric heating wire to the control box (output), start the switch, and set the voltage and power on time according to the specification reference table;

4. When there is melted polymer overflow at the edge of the joint, cut off the power or automatically cut off the power;

5. Generally, according to the on-site situation, the hot melt sleeve interface needs 20-30 minutes of natural cooling before removing the packing tape and pressure plate.

Used as a support bracket for polyurethane pipeline foaming process, a support bracket for jacket skin during thermal insulation pipeline foaming process, a support bracket for jacket skin tied to steel pipe during thermal pipeline laying process, and a trapezoidal/triangular/sun shaped/belt shaped support bracket for jacket skin before thermal pipeline foaming. Before foaming with polyurethane, a single support bracket for the jacket leather needs to be tied to a steel pipe with wire strings to support it. There are also connected brackets shaped like a sun that can be directly fitted onto pipes, saving you labor costs.

Wholesale polyethylene plastic brackets

Steel pipe anti-corrosion heat shrinkable tape is a new type of high-performance and easy to operate anti-corrosion material for steel pipe welds. It is composed of a double-layer material of base material and hot melt adhesive layer. The substrate is a plastic sleeve (sheet) formed by extruding, radiation crosslinking, and stretching polyethylene raw materials. Hot melt adhesive is a special type of adhesive that is solid at room temperature and can flow and be coated on substrates when heated. It has good adhesion to both metals and plastics. The external anti-corrosion layer of steel pipes is usually a three-layer structure (also known as three-layer PE anti-corrosion). The anti-corrosion coating primer is in contact with the steel pipe. The middle layer is hot melt adhesive, and the outer layer is cross-linked polyethylene. In rare cases, the external anti-corrosion layer of the steel pipe is also a two-layer (two-layer PE anti-corrosion), with sealed hot melt adhesive in contact with the steel pipe and cross-linked polyethylene on the outer layer. Jacket anticorrosion is composed of foam jacket sleeve (inner layer) hot melt adhesive (middle layer) and base material (outer layer). See the oil and gas industry standards SY/T0413-2002 Technical Standard for Polyethylene Anticorrosive Coating of Buried Steel Pipelines SY/T4054-2003 Radiation Crosslinked Polyethylene Heat Shrinkable Tape (Set) and SY/T0415-1996 Technical Standard for Rigid Polyurethane Foam Anticorrosive and Thermal Insulation Coating of Buried Steel Pipelines for technical requirements.

The professional production of PE hot melt sleeve welding process utilizes the hot melt principle of polyethylene pipes. Through the principle of electric heating and the electric heating method, the joint sleeve and the straight pipe sleeve are integrated into one. Its welding strength is high and it is suitable for the construction of various types of buried insulation pipe joints. Through multiple engineering practices, it has been proven that this process is simple to construct and has reliable quality.