Is used: Oil and gas industry
PKBU-MK MODERNIZED POLYMER-CONTAINING BALLAST UNIT
PKBU-MK unit is the most common model of the ballast unit which consists of two tanks and two weight bands and is used in assembly with two rigid brace frames.
The unit is mostly used to ballast main pipelines with a diameter up to 1420 mm inclusively: these include heat-insulated pipelines and pipelines being rebuilt and repaired in complicated conditions on flooded and marshy lands.
PKBU-MK key feature is no contact of the metal frame with the pipeline insulation coating.
PKBU-MK design is protected by Russian Federation invention patents and allowed to be used for the above mentioned purposes.
PKBU-MK TECHNICAL CHARACTERISTICS
| Item No. | Ballast unit model | Pipeline diameter, mm | Unit overall dimensions, mm* | Soil holding capacity, m3 | Number of units in the group, pcs | ||
|---|---|---|---|---|---|---|---|
| Crosswise of pipeline, L | Height, H | Longwise of pipeline, B | |||||
| 1 | PKBU-MK-1620 | 1420 (heat-insulated pipelines) | 4200 | 1620 | 1500 | 5.4 | 4 |
| 2 | PKBU-MK-1420 | 1420 | 4000 | 1450 | 1500 | 5.4 | 4 |
| 3 | PKBU-MK-1220 | 1220 | 3700 | 1250 | 1500 | 4.0 | 2 |
| 4 | PKBU-MK-1020 | 1020 | 3100 | 1100 | 1500 | 3.0 | 2 |
| 5 | PKBU-MK-820 | 820 | 2500 | 900 | 1500 | 2.0 | 2 |
| 6 | PKBU-MK-720 | 720 | 2200 | 800 | 1500 | 1.5 | 2 |
| 7 | PKBU-MK-530 | 530 | 1550 | 450 | 1500 | 1.0 | 1 |