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Mendeleevets- MRKG / Mendeleevets- OPGK
complete deep MMO anodes

Anode MRKG / OPGK
Included in the registers:
Included in the register of GAZPROM Included in the register of TRANSNEFT

Certification:

Certified in the EAC Certified in the INTERGAZCERT

Application area

МРКГ

MMO titanium complete deep anodes Mendeleevets-MRKG / Mendeleevets- OPGK are used as elements of deep anode grounding for installation in soil with a high specific resistance. The anodes are installed into the holes vertically.

  1. MMO titanium electrode;
  2. connecting cable;
  3. coke-mineral activator (KMA);
  4. body;
  5. corbels;
  6. gas outlet tube;
  7. centralizer

Technical details

Groundbed Mendeleevets-MRKG / Mendeleevets- OPGK is a container with a MMO titanium electrode inside and hollow space around it is filled with coke-mineral activator (KMA). The container is a case of the groundbed and it serves for convenient transportation and installation. This case dissolves during exploitation.

The groundbed is fixed by means of directing corbels. It gives the possibility to assemble the blocks of complete deep groundbeds into the chain that allows to raise current loading and to reduce transitional resistance. Max block quantity in a chain is 24 pieces.

Gas that is formed while working of deep groundbed is drawn outside to the surface through the gas outlet tube. The gas outlet tube has perforation along all the height of the chain and is delivered for the concrete order on the basis of one tube for one chain of groundbeds installed in a hole.

The kind of deep grounding, consisting of groundbeds Mendeleevets-MRKG (quantity of blocks, the connecting cable length and the drainage tube length) is determined by the Consumer according to the project of cathodic protection.

As exploitation experience shows complete groundbeds have minimum time period of going out to operating modes and low value of resistance to current spreading. High degree of factory readiness noticeably simplifies the technology of anode groundbeds installation.

Each block has a connecting cable. The length of the cable is determined by the depth of the installation in a hole, that’s why the cable doesn’t have any discontinuities along the length and they are drawn outside to the surface to be attached to the anodic cable line.

Technical data

Parameter nameMendeleevets-MRKG
TU 3435-031-24707490-2012
Mendeleevets-OPGK
TU 27.12.31-051-24707490-2021
1,2×251,2×321,2×251,2×32
Current load when installed in an aqueous medium, A, no more 8 10 8 10
Anodic dissolution rate, kg/(A∙year), no more than 0,01 0,01
Active surface area of electrode (working element), м2, no more than: 0,08 0,1 0,08 0,1
Assembled anode dimensions , mm, no more than:
- Length (height)
- Diameter

1760
210

1760
210
Weight of the anode block assembly (excluding cable), kg, no more 55 55
The maximum number of anodes in the well, pcs. 24 24
Lifetime, years, no less than 30 30
Certification: INTERGAZSERT,
TRANSNEFT
Is undergoing the INTERGAZSERT
certification procedure

Delivery set

NAME OF COMPONENTSКОЛИЧЕСТВО
Set of anodes (the design, number and length of the cable are
determined by the requirements of the Customer), set
1
Trunk (connecting) cable, м (according to the order)
Operating documentation according to GOST R 2.601, set 1
Certified copy of certificate or declaration of compliance with technical regulations 1
Protocol of acceptance-testing, copy 1
Kit of materials and fittings for anodes, kit* 1
(as ordered)
Packing list, copy 1
* The kit is delivered according to the specifications of the cathodic protection project or
in accordance with Customer’s requirements

Mendeleevets- MRKG (TU 3435-031-24707490-2012, OKPD2 27.12.31.000)

24 MRKG (1,2x25xTi) - 50 х 10 (PKZ-PvP) - 50 х 16 (VVGng) - КZ . G
1 2 3 4 5 6 7 8 9 10
included in the order
if necessary
1
Number of anode groundbeds in the kit, pcs.: no more 24;
2
LхdхM – Length (L, m) and diameter of electrodes (d, mm); substrate material (M);
3
Depth of the borehole, m;
4
Anode cable core section, mm2: 10, on request 16;
5
Anode cable type: PKZ-PvPp,
on request: PKZ-PvP, PKZ-FF-ng(A);
6
Length of the main cable, m;
7
Main cable core section, mm2: 10, 16, 25;
8
Main cable type: VVGng,
on request: PKZ PvP, PKZ-PvPp, PKZ-FF-ng(A), VPPO, VPP;
9
Cable joint kits:
cable clamps (KZ), thermit welding (TS), cable terminations (TM),
or their combinations (KZ+TM, TS+TM)
10
Gas outlet tube included

Mendeleevets- OPGK (ТУ 3435-031-24707490-2012, OKPD2 27.12.31.000)

20 О P G К (1,2х25хTi) - 100 х 10 (PKZ-PvP) - 200 х 16 (VVGng) - КZ . G
1 2 3 4 5 6 7 8 9 10 11 12 13 14
included in the order
if necessary
1
Number of anode groundbeds in the kit, pcs.: no more 24;
2
Material of the electrode (working element) of the anode: O (MMO);
3
Application conditions: P (underground);
4
Construction and ground arrangement: G (deep );
5
Presence of an electrically conductive backfill of KMA in the anode design: К;
6
LхdхM – Length (L, m) and diameter of electrodes (d, mm); substrate material (M);
7
Length of cable for current conductor anode, m;
8
Anode cable core section, mm2: 10, 16, 25;
9
Anode cable type: PKZ-PvPp,
on request: PKZ-PvP, PKZ-FF-ng(A);
10
Length of the main cable, m;
11
Main cable core section, mm2: 10, 16, 25;
12
Main cable type: VVGng,
on request: PKZ PvP, PKZ-PvPp, PKZ-FF-ng(A);
13
Cable joint kits:
cable clamps (KZ), thermit welding (TS), cable terminations (TM)
or their combinations (KZ+TM, TS+TM);
14
Additional equipment: G - Gas outlet tube (if necessary)
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