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Valvole di non ritorno
Le valvole di non ritorno consentono di eliminare il ritorno di fluidi all'interno della batteria di aste quando si utilizzano triconi nella perforazione.
La F.G.S. DRILL commercializza una vasta gamma di valvole di non ritorno.
Inoltre produce su richiesta aste e raccordi valvolati.
Specifiche tecniche
| Tool joint types | Sizes | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
IR |
IF-2R |
2F-3R |
3F |
3-1/2 IF |
4R |
4F |
5R |
5F-6R |
6F |
|
| API Regular |
23/8 |
27/8 |
31/2 |
41/2 |
51/2-59/16 |
65/8-75/8 |
85/8 |
|||
| Hughes or Reed Regular |
23/8 |
27/8 |
31/2 |
41/2 |
51/2-59/16 |
65/8 |
||||
| Union Tool |
23/8 |
27/8 31/2 |
41/2 |
51/2-59/16 |
65/8 |
|||||
| Hughes or Reed Double Streamline |
27/8 23/8 |
31/2 |
4 41/2 |
5 |
51/2-59/16 |
65/8 |
||||
| API Full Hole |
23/8 |
27/8 |
31/2 |
4 |
41/2 |
51/2-59/16 |
65/8 |
|||
| Reed Acme Full Hole |
31/2 |
41/2 |
51/2-59/16 |
|||||||
| Hughes Acme Streamline |
23/8 |
27/8 |
31/2 |
41/2 |
51/2-59/16 |
|||||
| Hughes Xtra Hole |
27/8 |
31/2 |
41/2 |
5 |
||||||
| Reed Semi-Internal Flush |
27/8 |
31/2 |
41/2 |
5 |
||||||
| API Internal Flush |
23/8 |
27/8 |
31/2 |
4 |
41/2 |
|||||
| Hydril Type "IF" (Int. Flush Ext. Upset) |
23/8 |
27/8 |
31/2 |
41/2 |
5 |
65/8 |
||||
| Hydril "EIU" (Ext. Int. Upset) |
31/2 |
4 |
41/2 |
51/2-59/16 |
65/8 |
|||||
| Hydril Type "F" (External Flush) |
27/8 31/2 |
41/2 5 |
51/2 - 59/16 |
65/8 |
||||||
| Hughes Ext. Flush Acme Type |
31/2 |
41/2 |
51/2 - 59/16 |
65/8 |
||||||
| Hughes Ext. Flush Full Hole Type |
41/2 |
|||||||||
Bit and Shank Sizes
| Bit Size | 31/4 | 33/8 | 41/2 | 43/4 | 51/2 | 6 | 61/8 | 61/4 | 61/2 | 63/4 | 77/8 | 81/4 | 81/2 |
| Std. API Pin Shank Size |
23/8 | 23/8 | 23/8 | 27/8 | 31/2 | 31/2 | 31/2 | 31/2 | 31/2 | 31/2 | 41/2 | 41/2 | 41/2 |
| Bit Size | 83/4 | 91/2 | 93/4 | 101/2 | 11 | 121/4 | 131/2 | 143/4 | 171/2 | 20 | 24 | 25 |
| Std. API Pin Shank Size |
41/2 | 65/8 | 65/8 | 65/8 | 65/8 | 65/8 | 65/8 | 75/8 | 75/8 | 75/8 | 75/8 | 75/8 |
RACCORDI VALVOLATI
API Regular Threads - Maschio o femmina
API Regular Threads - Maschio o femmina
| SIZE | O.D. | I.D. | LENGTH | VALVE |
|---|---|---|---|---|
| 23/8" | 31/8" | 1" | 18" | 1R |
| 27/8" | 33/4" | 11/4" | 20" | 1F-2R |
| 31/2" | 41/4" | 11/2" | 20" | 2F-3R |
| 41/2" | 51/2" | 21/4" | 24" | 4R |
| 51/2" | 63/4" | 23/4" | 28" | 5R |
| 65/8" | 73/4" | 31/2" | 30" | 5F-6R |
| 75/8" | 87/8" | 4" | 30" | 5F-6R |
| 83/8" | 10" | 43/4" | 30" | 6F |
API Full Hole - Maschio o femmina
| SIZE | O.D. | I.D. | LENGTH | VALVE |
|---|---|---|---|---|
| 27/8" | 41/4" | 21/8" | 20" | 2F-2R |
| 31/2" | 45/8" | 27/16" | 24" | 3F |
| 4" | 51/4" | 213/16" | 24" | 341/2IF |
| 41/2" | 53/4" | 3" | 28" | 4F |
| 51/2" | 7" | 4" | 30" | 5F-6R |
| 65/8" | 8" | 5" | 30" | 6F |
API IF Internal Flush - Maschio o femmina
| SIZE | O.D. | I.D. | LENGTH | VALVE |
|---|---|---|---|---|
| 23/8" | 41/4" | 13/4" | 18" | 1F-2R |
| 27/8" | 41/8" | 21/8" | 20" | 2F-3R |
| 31/2" | 43/4" | 211/16" | 24" | 31/2IF |
| 4" | 53/4" | 31/4" | 28" | 4F |
| 41/2" | 61/8" | 33/4" | 28" | 5R |
| 51/2" | 73/8" | 413/16" | 30" | 5F-6R |
| 63/8" | 83/4" | 529/32IF" | 30" | 6F |
Dimensional Data
MODEL G I.D. OF VALVE |
MODEL F I.D. OF VALVE |
Size Valve |
D Diameter of Valve |
R (D PLUS 1/32) Diameter of Recess for Valve |
L Length of Valve |
T Diameter of Recess |
|---|---|---|---|---|---|---|
N/A |
1 |
1R |
121/32 |
111/16 |
57/8 |
15/16 |
1 |
11/4 |
1F-2R |
129/32 |
115/16 |
61/4 |
11/2 |
11/4 |
19/16 |
2F-3R |
2 13/32 |
2 9/16 |
61/2 |
129/32 |
15/8 |
17/8 |
3F |
2 13/16 |
2 27/32 |
10 |
2 7/16 |
15/8 |
17/8 |
3-1/2IF |
31/8 |
35/32 |
10 |
2 11/16 |
131/32 |
2 5/16 |
4R |
315/32 |
31/2 |
85/16 |
2 15/16 |
2 3/16 |
2 1/2 |
4F |
321/32 |
311/16 |
12 |
31/4 |
2 1/4 |
2 3/4 |
5R |
37/8 |
329/32 |
93/4 |
33/8 |
2 7/8 |
3 1/4 |
5F-6R |
423/32 |
413/16 |
113/4 |
49/32 |
4 1/18 |
6F |
511/16 |
523/32 |
145/8 |
53/16 |
