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  Non Weld Positive Centralizers (S 20)
 

Eneroil’s Steelfabs brand Non Weld Positive Centralizers are available in the size range 4½" to 20", these centralizers are uniquely designed with flat bottom U profile of different depths permitting maximum fluid passage.

Available with straight bows for casing operations, this device provides nearly 100% stand-off (Concentricity) when run inside a case hole. The self locking design ensures firm hold. Its non-welded structure, eliminates brittle spots and enhances durability.
   
NON WELD POSITIVE CENTRALIZERS (S 20)
Bow Type / Maximum Bow OD
Casing Size
P 1
P 2
P 3
P 4
P 5
P 6
P 7
P 8
P 9
P 10
in.
in.
mm.
in.
mm.
in.
mm.
in.
mm.
in.
mm.
in.
mm.
in.
mm.
in.
mm.
in.
mm.
in.
mm.
4 ½
5.831
148.1
6.224
158.1
6.618
168.1
6.854
174.1
7.169
182.1
7.563
192.1
7.957
202.1
8.272
210.1
9.531
242.1
10.875
276.2
5
6.350
161.3
6.744
171.3
7.138
181.3
7.374
187.3
7.689
195.3
8.083
205.3
8.476
215.3
8.791
223.3
10.051
255.3
11.375
288.9
5 ½
6.866
174.4
7.260
184.4
7.654
194.4
7.890
200.4
8.205
208.4
8.598
218.4
8.992
228.4
9.307
236.4
10.567
268.4
11.875
301.6
6 ⅝
7.980
202.7
8.374
212.7
8.768
222.7
9.004
228.7
9.319
236.7
9.713
246.7
10.106
256.7
10.421
264.7
11.681
296.7
13.000
330.2
7
8.378
212.8
8.772
222.8
9.165
232.8
9.402
238.8
9.717
246.8
10.110
256.8
10.504
266.8
10.819
274.8
12.079
306.8
13.375
339.7
7 ⅝
9.012
228.9
9.406
238.9
9.799
248.9
10.035
254.9
10.350
262.9
10.744
272.9
11.138
282.9
11.453
290.9
12.713
322.9
14.000
355.6
8 ⅝
10.008
254.2
10.402
264.2
10.795
274.2
11.031
280.2
11.346
288.2
11.740
298.2
12.134
308.2
12.449
316.2
13.709
348.2
15.000
381.0
9 ⅝
11.000
279.4
11.394
289.4
11.787
299.4
12.024
305.4
12.339
313.4
12.732
323.4
13.126
333.4
13.441
341.4
14.701
373.4
16.000
406.4
10 ¾
12.154
308.7
12.547
318.7
12.941
328.7
13.177
334.7
13.492
342.7
13.886
352.7
14.280
362.7
14.594
370.7
15.854
402.7
17.125
435.0
11 ¾
13.150
334.0
13.543
344.0
13.937
354.0
14.173
360.0
14.488
368.0
14.882
378.0
15.276
388.0
15.591
396.0
16.850
428.0
18.125
460.4
13 ⅜
14.819
376.4
15.213
386.4
15.606
396.4
15.843
402.4
16.157
410.4
16.551
420.4
16.945
430.4
17.260
438.4
18.520
470.4
19.750
501.7
16
17.445
443.1
17.839
453.1
18.232
163.1
18.469
469.1
18.783
477.1
19.177
487.1
19.571
497.1
19.886
505.1
21.146
537.1
22.375
568.3
18 ⅝
20.106
510.7
20.500
520.7
20.894
530.7
21.130
536.7
21.445
544.7
21.839
554.7
22.232
564.7
22.547
572.7
23.807
604.7
25.125
638.2
20
21.500
546.1
21.894
556.1
22.287
566.1
22.524
572.1
22.839
580.1
23.232
590.1
23.626
600.1
23.941
608.1
25.201
640.1
26.500
673.1
 
> Non Weld Bow Centralizers (S 10)

> Non Weld Positive Centralizers (S 20)

> Non Weld Semi-Rigid Bow Centralizers (S 29) 

> Non-Weld bow Centralizers with Turbo Fins (S 30)
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