One of the main activities of PJSC «PVI ZIT «Naftogazbudizolyatsiya» is the design, production and supply of equipment for the construction and repair of gas pipelines, oil pipelines and other oil and gas facilities, the development and introduction new technological processes for recovery the insulation coating in the repair of pipelines.
The Company’s policy in the area of customer satisfaction, includes examination and development of technological processes, preparation of recommendations, the development of construction projects, development, manufacturing and introduction of equipment, its maintenance and repair, training technical staff, receptions efficient operation.
Functional combination in a single company the opportunity to establish new processes and technology, as well as ensuring their implementation on the construction and repair of pipeline systems facilities, significantly reduced turnaround time and improve the quality of developed products.
Complex equipment for main repair of piping KRT
Complex KRT is designed to carry out main repairs of pipelines of various purposes. It can be applied in any organization scheme works, including in-line repair with complete replacement of the insulation coating and repair of local, as well as in the construction or reconstruction of pipeline systems.
The equipment for removal of insulation coating by water-jet (КRТ.01)
| The diameter of the processed pipe, mm | 219 – 1420 |
| Productivity, m/min | 0,3 – 1,5 |
| Pressure water jet cleaning system in мах, MPa (kg/cm2) | 120 (1200) |
| Pump capacity, L/min | 50 – 100 |
Equipment for the mechanical removal of the insulating covering (КRТ.10)
| The diameter of the processed pipe, mm | 820 – 1420 |
| Productivity, m/min | 0,3 – 1,5 |
Equipment for blast cleaning and surface preparation (КRТ.02)
| The diameter of the processed pipe, mm | 219 – 1420 |
| Productivity, m/min | 0,3 – 1,5 |
| Pressure compressor, МPа (kg/cm2) | 0,6 (6)-1,2 (12) |
| Productivity compressor, m3/min | 20 – 40 |
Equipment for insulation coating (КRТ.03)
| The diameter of the processed pipe, mm | 219 – 1420 |
| Productivity, m/min | 0,3 – 1,5 |
| The maximum pressure in the coating system МPа (kg/cm2) | 50 (500) |
Equipment and installation kits for the local repair and pipeline construction
Equipment for shotblasting cleaning and surface preparation of pipes (DK)
| The diameter of the processed pipe, mm | 219 – 1420 |
| Productivity, m2/min | 1-8 |
| The degree of surface treatment, GOST 9.402 | 2 |
| Cleaned surface roughness, micron | 40…100 |
Complete equipment for blast cleaning and surface preparation for local repairs or emergency work manually (КА 1)
| Productivity, m2/hour | 10 – 15 |
| Pressure compressor, МPа (kg/cm2) | 0,6(6)-1,2(12) |
| Productivity compressor, m3/min | 20 – 40 |
Set of equipment for vacuum coating for local repairs or emergency work manually (КB 1)
| Productivity, m2/min | 1,5 – 2 |
| Pressure of compressed air, kg/cm2 | 2,5 – 7 |
| Spending compres airflow, m3/min | 3,5 |
| Maximum pressure in the dosing system, МPа (kg/сm2) | 35(350) |
| Power consumption, kW | 12 |
Installation of airless coating (UDN3)
| Productivity, L/min | 1 – 12 |
| Ratio of the components | 1:1, 1:3, 1:3.5, 1:4 |
| Maximum pressure in the dosing system, kg/cm2 | 350 |
Complex for local repair pipeline (KLRT)
| Performance of water-jet removal of old coatings, m2/hour | 12 |
| Productivity abrasive surface preparation, m2/hour | 14 |
| Productivity insulation coating, m2/hour | 12 |
| Power electric diesel unit, kW | 60 |
| Productivity diz compressor, m3/min | 11,3 |
Set of equipment for automatic welding cored wire of non swivel pipe joints (КАSPP)
| Technical flow velocity, joint/h | (1420×22,5) 2,7 |
| Diameter welded pipes, mm | 530-1420 |
| Wall thickness, mm | 8-25 |
| The number of welding units in the column | 1-5 |
| Hydroelectric power, kw | 60 |
| Number of welding rectifiers, pieces | 2 |
Installation of horizontal drilling (HHD)
| The diameter of the cartridge, mm | 219 – 1720 |
| Project transition length, m | до 60 |
| Technical drilling speed, m/h | 2 – 12 |
| Ground category for GOST 25100-82 | I – IV |
The machine is preparing the pipe edges (SPK)
| The diameter of the processed pipe, mm | 530 – 1420 |
| The wall thickness of the pipe, mm | 10 – 25 |
| Rotational speed of the faceplate, revs/min | 20 – 35 |
| Supply faceplate, mm/min | 3 |
Machine for fireless pipeline tie-in
| The diameter of the pipeline, mm | 530 – 1420 |
| Pipeline wall thickness, mm | 6 – 24 |
| Diameter embed offset, mm | Dn140…Dn400 |
| Total power consumption, kW | 5 |
| Tie-in system pressure, MPa | 5,5 |
| The length of stroke of the cutting tool, mm | 1000 |
| Weight of machine-tool, kg | 750 |
Two-component polyurethane composition «BAYSIT»
| Impact strength (20° C) | more than 15 J |
| Dielectric continuity | more than 5 kV/mm |
| Cathodic delamination (radius) | 5 mm |
| Adhesion of coatings to steel | more than 7,5Н/mm2 |
| The elasticity of the coating, % | 6-8 |
| Heat resistance | More than 80° C |
| Transitional specific electric resistance | 1010 Om∙m2 |