品牌:MDX
起订:1件
供应:100件
发货:10天内
钻杆浮阀一般连接在钻头之上，主要用来防止井涌或井喷的发生。另外在不需要下入工具时，还可以作为配合接头来使用。实际上钻杆浮阀就是个单向阀，它不阻碍泥浆的正循环，但能阻止井涌或井喷。减少泥浆的损失和保持钻台的清洁。
钻杆浮阀分为箭形浮阀（柱塞阀）（Model F) 和翻板浮阀（全开式阀）（Model G)
阀芯参数
|
Valve size |
D Diameter of Valve |
R (D+1/32) Diameter of Recess for Valve |
L Length of Valve |
T Diameter of Recess for Baffle Plate |
ID of Valve |
|
|
Model F |
Model G |
|||||
|
1R |
1-21/32 |
1-11/16 |
5-7/8 |
1-5/16 |
1 |
N/A |
|
1F-2R |
1-29/32 |
1-15/16 |
6-1/4 |
1-1/2 |
1-1/4 |
1 |
|
2F-3R |
2-13/32 |
2-7/16 |
6-1/2 |
1-29/32 |
1-9/16 |
1-1/4 |
|
3F |
2-13/16 |
2-27/32 |
10 |
2-7/16 |
1-7/8 |
1-5/8 |
|
3-1/2IF |
3-1/8 |
3-5/32 |
2-11/16 |
|||
|
4R |
3-15/32 |
3-1/2 |
8-5/16 |
2-15/16 |
2-5/16 |
1-31/32 |
|
4F |
3-21/32 |
3-11/16 |
12 |
3-1/4 |
2-1/2 |
2-3/16 |
|
5R |
3-7/8 |
3-29/32 |
9-3/4 |
3-3/8 |
2-3/4 |
2-1/4 |
|
5F-6R |
4-25/32 |
4-13/16 |
11-3/4 |
4-9/32 |
3-1/4 |
2-7/8 |
|
6F |
5-11/16 |
5-23/32 |
14-5/8 |
5-3/16 |
4-1/8 |
N/A |
