Underground air eliminator covers and manholes

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Underground air eliminator covers and manholes
 

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  Underground air eliminator covers and manholes
  Underground air eliminator covers and manholes
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*Тechnical specification included in the Registry of Main Product Types Purchased by Transneft

Underground air eliminator covers and manholes are designed for installation into pipelines in order to protect air eliminators from flowing or unauthorized access, or process activities and maintenance of eliminators.

They come in two designs:

  • tight, covering underground air eliminators: maintenance compartment not included; for installation on air eliminators with plug and cap;
  • tight, covering underground air eliminators: maintenance compartment included; for installation on air eliminators with gate and plug.

The manholes we make are sized for DN 150, 200, 250, 300, 350, 400, 500, 600, 700, 800, 1000, 1050 and 1200 piping and come in seismic-proof design C (i.e. for regions with seismicity up to 9 inclusive on MSK-64 scale). Climatic design and installation category per GOST 15150-69 are: UKhL1, i.e. for operation in temperature ranges from minus 60°С to plus 40°С.

All manholes have corrosion-proof coating applied in house. Type of coating is tailored to the operation condition.

Tight air eliminator manhole without maintenance compartment – Overview:

KVG

Legend:

1 – top shell; 2 – bottom (shell); 3 – manhole cover; 4 – clamp bolts; 5 – cushion sealing ring;
6 – sealing bolts; 7 – sealing; 8 – adjustment devices; 9 – cover& lock; 10 – sight hole;
11 – protective cap; 12 – security alarm; 13 – cable entry tube; 14 – coupling; 15, 16 – plug;
17 – drain with threaded plug; 18 – pipeline.

Main dimensions:

Pipe OD, Dн, mm Manhole dimensions, mm
D1±20 D0* L±20 L1* Нквг±20
1
159
377
630
1400
1550
998
2
219
426
630
1400
1550
1084
3
273
480
630
1400
1550
1146
4
325
530
630
1400
1550
1196
5
377
580
630
1400
1550
1186
6
426
630
630
1400
1550
1296
7
530
730
630
1400
1550
1336
8
630
820
630
1400
1550
1426
9
720
920
630
1400
1550
1526
10
820
1020
630
1400
1550
1626
11
1020
1220
630
1540
1700
1826
12
1067
1270
720
1620
1800
1871
13
1220
1420
720
1700
1900
2036
* reference dimensions

Tight air eliminator manhole with maintenance compartment – Overview:

KGBPP

Legend:

1 – maintenance compartment; 2 – fastener; 3 – manhole seal; 4 – adjustment devices; 5 – half-flanges; 6 – air intake pipe; 7 – cover; 8 – air exhaust pipe; 9 – cable entry tubes; 10 – drain with threaded plug; 11 – ladder brackets; 12 – security alarm; 13 – pipeline.

 

Main dimensions:

#  Pipe OD, Dн, mm Manhole dimensions, mm
D1±20 L±20 L1* L2±20 L3* B±20
1
159
377
2600
2740
2120
5050
1320
2
219
426
2600
2740
2120
5050
1380
3
273
480
2600
2740
2120
5050
1380
4
325
536
2600
2740
2120
5050
1380
5
377
600
2600
2740
2120
5050
1380
6
426
630
2600
2740
2120
5050
1380
7
530
742
3090
3240
2620
5535
1600
8
630
842
3090
3240
2620
5535
1600
9
720
932
3090
3240
2620
5535
1600
10
820
1032
3090
3240
2620
5535
1600
11
1020
1232
3090
3240
2620
5535
1600
12
1067
1280
3090
3240
2620
5535
1600
13
1220
1432
3090
3240
2620
5535
1600
* reference dimensions

Underground air eliminator compartment – Overview:

OBPP

Legend:

1 – air eliminator compartment; 2 – cover; 3 – base; 4 – base jack; 5 – clamp fastener to pipe;
6 – air intake pipe; 7 – air exhaust pipe; 8 – cable entry tubes; 9 – manhole; 10 – pipeline.

Main dimensions:

# Pipe OD, Dн, mm Manhole neck flange diameter D*, mm Manhole dimensions, mm
L±20 L1* В±20
1
159
630
2120
5050
1380
2
219
630
2120
5050
1380
3
273
630
2120
5050
1380
4
325
630
2120
5050
1380
5
377
630
2120
5050
1380
6
426
630
2120
5050
1380
7
530
630
2620
5535
1600
8
630
630
2620
5535
1600
9
720
630
2620
5535
1600
10
820
630
2620
5535
1600
11
1020
630
2620
5535
1600
12
1067
720
2620
5535
1600
13
1220
720
2620
5535
1600
* reference dimensions