Pipeline systems and technologies

Technical specifications

of  anode groundings AG-PST 

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.