CJSC «Pipeline systems and technologies» manufactures 2 types of anode groundings (based on the form of an electrode base):
- tubular;
- tubular of a special purpose.
Standard dimensions of the working part of a tubular electrode:
| Electrode type |
Length, mm, not less |
Diameter, mm, not less | Wall thickness, mm, not less | Specific area of 1 m electrode, m2 |
Electrode weight without cable, kg |
| 1 | 1200 | 19 | 1 | 0,0596 | 1,1 |
| 2 | 500 | 25 | 1 | 0,0785 | 0,9 |
| 3 | 1500 | 25 | 1 | 0,0785 | 1,6 |
| 4 | 1200 | 32 | 1 | 0,101 | 1,5 |
Standard dimensions of the working part of a special purpose tubular electrode:
| Electrode type | Length, mm, not less | Diameter, mm, not less. | Wall thickness, mm, not less | Specific area of 1 m electrode, m2 |
Electrode weight without cable, kg |
| 1 | 1220 | 32 | 0,9 | 0,101 | 1,5 |
| 2 | 600 | 32 | 0,9 | 0,101 | 0,8 |
Current density and coating application conditions
| Electrode type | Coating type | Rated current density, A/m2 | Maximum current density, A/m2 | Application conditions |
| Tubular electrode | Type1 | 65 | 80 | Sand, soil, fresh water |
| Type2 | 400 | 480 | Seawater | |
| Type3 | 65 (to be used in soil and fresh water) 400 (to be used in seawater) |
80 (to be used in soil and fresh water) 480 (to be used in seawater) |
Sand, soil, seawater, fresh water | |
| Tubular electrode of a Special purpose | Type4 | 65 (to be used in fresh water) 400 (to be used in seawater) |
80 (to be used in fresh water) 480 (to be used in seawater) |
Seawater, fresh water |
The life time of AG-PST is 30 years.
The coating dissolution rate at the nominal current density is 0.01 g/A per year.
Anode groundings AG-PST are manufactured as per TU 3435-019-93719333-2016 and TBPSh.685543.027 TU.
Type designation:
1 – name of the anode grounding (assigned by the manufacturer);
2 – type of the anode grounding electrode design:
- tubular electrode — 3;
- tubular electrode of a special purpose — 4.
3 – coating type on the AG surface:
- low soluble coating of type 1 — 1;
- low soluble coating of type 2 — 2;
- low soluble coating of type 3 — 3;
- low soluble coating of type 4 — 4.
4 – AG-PST type;
5 – Cable length, m;
6 – Cable section, qr mm;
7 – Number of working grounding electrodes connected in series, pcs:
- when ordering AG-PST consisting of a single electrode — 1.
Designation example:
Anode grounding AG-PST-3-2-3-5-10-1 as per TU 3435-019-93719333-2016 is a 1500x25 mm tubular anode grounding with low soluble coating of type 2, 5 m main cable, 10 qr mm section, a single electrode.