Polyurethane pipeline electric melting sleeve model

Polyurethane pipeline electric melting sleeve model

Electrothermal melting sleeve is a new type of connecting pipe fitting emerging in the anti-corrosion and thermal insulation industries in recent years. Its anti-aging property, connection strength, ring stiffness, etc. are obviously superior to the heat shrinkable belt. In addition, the electrothermal melting sleeve can weld the jacket pipe first, then polyurethane foam, and its construction speed is also significantly faster than the heat shrinkable belt. Therefore, the electrothermal melting sleeve is widely used for the joint repair and connection of heat pipes and oil pipelines.
The new type of insulation pipe interface auxiliary material, electric heating melting sleeve, is developed based on the many shortcomings of direct buried pipeline joint patching in previous engineering examples. It adopts the hot pressing pre embedded alloy electric heating wire process and is produced on an automated production line. The product has stable quality and strong adhesion. By using the matching electric heating melting machine to power the electric heating melting sleeve, welding can be automatically completed. The operation is simple and reliable, and the construction work surface can be large or small, which is convenient and fast. It is a replacement product for the previous direct buried insulation pipe joint patching sheet.

How much does the supplier of hot melt sleeve pipeline joint leather cost for foaming pipeline interface black leather? Installation of hot melt sleeve: 1. When installing the hot melt sleeve, the joint area should be filled with soil and dirt. Place the hot melt sleeve in the middle of the interface and ensure that the electric 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 tight contact at the interface overlap. The electric heating ratio parts at both ends of the hot melt sleeve should be tightly tied and secured with packing tape, without loosening; 3. Connect the electric heating wire on the hot melt sleeve to the control box (output), start the switch, and set the voltage and power on time according to the specification reference table; 4. When melted polyethylene overflows from the edge of the joint, cut off the power or automatically cut off the power; 5. Generally, depending on the on-site environment, the hot melt sleeve interface requires 20-30 minutes of natural cooling before removing the packing tape and pressure plate.

Polyurethane pipeline electric melting sleeve model

In rare cases, the hot-melt sleeve also adopts a two-layer external anti-corrosion layer (two-layer PE anti-corrosion) on the steel pipe, 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 standard SY/T0413-2002 Technical Standard for Polyethylene Anticorrosive Coating of Buried Steel Pipeline (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 Pipeline for technical requirements.

The usage method is developed based on the many shortcomings of direct buried pipeline joint patching in previous engineering examples. It adopts the hot pressing pre embedded alloy electric heating wire process for automated production line, with stable product quality and strong adhesion. By using this product, the electric heating sleeve can be electrified through a matching hot melting machine, and welding can be automatically completed. Simple and reliable operation, construction work surface can be large or small, convenient and fast, it is a replacement product for the previous direct buried insulation pipe joint patching sheet