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Non return valves
Non return valves are essential devices that allow a liquid to flow through them in one direction but completely prevents its movement in the opposite direction into the drill string.
F.G.S. Drill sells a wide dimensional range of non return valves. On specific customer request, F.G.S. Drill manufactures non return valves subs or rods.
Non return valves specification guide
| 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 |
DRILL PIPE NON RETURN VALVE SUBS
API Regular Threads - Box or Pin
API Regular Threads - Box or Pin
| 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 - Box or Pin
| 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 - Box or Pin
| 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 |
