Products
Float Valve
Float Valve
Float valve is one of necessary tool for oil drilling, it consists of float valve sub and float valve, The main function are to prevent drill cuttings come into mud when connecting each joint and the bit bore block caused by back flow of silt. When the well blowout or kick, the valve cover of float valve turn off the bore automatically, it will prevent well blowout accident. The working pressure of float valve is supposed to be 5000psi or 10000psi.
|
Type |
OD mm (inch） |
ID mm (inch） |
Connection thread API |
Float valve type |
|
FZF83 |
82.6（3-1/4） |
31.8(1 1/4) |
NC23 B×2-3/8REG B |
1R |
|
FZF89 |
88.9(3-1/2) |
31.8(1 1/4) |
NC26 B×2-3/8REG B |
1R |
|
FZF105 |
104.8(4-1/8) |
31.8(1 1/4) |
NC31 B×2-7/8REG B |
1F-2R |
|
FZF121-1 FZF127 |
121(4 3/4) 127(5) |
50.8(2) |
3 1/2REG B×NC38 B |
2F-3R |
|
FZF121-2 |
121(4 3/4) |
50.8(2) |
NC38(B×P) |
3-1/2 F |
|
FZF165-1 |
165(6 1/2) |
71.4(2 13/16) |
NC46(B×P) |
4F |
|
FZF165-2 FZF178 |
165(6 1/2) 178(7) |
71.4(2 13/16) |
4 1/2REG B×NC50 B |
4R |
|
FZF165-3 |
165(6 1/2) |
71.4(2 13/16) |
NC50(B×P) |
5R |
|
FZF203 |
203(8) |
71.4(2 13/16) |
6 5/8REG B×6 5/8REG B |
5F-6R |
|
FZF229 FZF241 |
229(9) 241(9 1/2) |
76.2(3) |
7 5/8REG B×7 5/8REG B |
5F-6R |
|
Type |
Valve assembly diameter mm (inch） |
total length mm (inch） |
hole diameter mm (inch） |
Joint female thread |
other thread | ||
|
thread |
Deep hole mm (inch） |
thread |
Deep Hole mm (inch） |
||||
|
1R |
42.1 (1 21/32) |
149.2 (5 7/8) |
42.9 (1 11/16) |
2 3/8REG |
231.8 (9 1/8) |
NC23 |
231.8 (9 1/8) |
|
1F-2R |
48.42 (1 29/32) |
158.8 (6-1/4) |
49.21 (1 15/16) |
2 7/8REG |
25.4 (1) |
NC26 |
241.3 (9 1/2) |
|
2F-3R |
61.1 (2 13/32) |
165.1(6 1/2) |
61.9 (2 7/16) |
3 1/2REG |
266.7 (10 1/2) |
NC31 |
260.35 (10 1/4) |
|
3F |
71.44 (2 13/16) |
254(10) |
72.23 (2 27/32) |
|
|
3 1/2 FH |
355.6 (14) |
|
3 1/2F |
79.4 (3 1/8) |
254(10) |
80.2 (3 5/32) |
|
|
NC38 |
362 (14 1/4) |
|
4R |
88.1 (3 15/32) |
211.1 (8 5/116) |
88.9 (3 1/2) |
4 1/2REG |
325.4 (12 13/16) |
NC44 |
331.8 (13 1/16) |
|
4F |
92.87 （3 21/32） |
304.8 (12) |
93.66 (3 11/16) |
|
|
NC46 |
336.6 (13 1/4) |
|
5R |
98.4 (3 7/8) |
247.7 (9 3/4) |
99.2 (3 29/32) |
5 1/2REG |
374.7 (14 3/4) |
NC50 |
368.3 (14 1/2) |
|
5F-6R |
121.4 (4 25/32) |
298.5(11 3/4) |
122.2 (4 13/16) |
6 5/8REG |
431.8 (17) |
5 1/2IF |
431.8 (17) |