1,Product specification is 41/2 and upward dimension 2,Valve could stand erosion long time

Application

    Spring float shoes installs the bottom of pipe rings , that could good guide sleeves ,it could prevent slurry inflow to pipe rings ,

 Provide great floatage and  reduce the load of big hook

 Characteristics:

 

1,Product specification is 41/2 and upward dimension

2,Valve could stand erosion long time

3,Good capacity of reverse pressure

4,Good resistance to high temperature

5,PDC and roller bit to drill

6,Could provide kinds of special button

      Main important technology index

Dimension of sleeves		Dimension of products
External diameter	Thickness of cliff	External diameter	Inner diameter	Circle diameter
In	Lbs/ft	in	In	in
4 1/2	11.60-15.10	5.000	3.895	2.594
5	13.00-18.00	5.560	4.389
5 1/2	17.00-23.00	6.050	4.787
6 5/8	20.00-32.00	7.390	5.944	2.750
7	23.00-38.00	7.660	6.270
7 5/8	26.40-47.10	8.500	6.864
8 5/8	32.00-49.00	9.630	7.845
9 5/8	40.00-71.80	10.630	8.699
10 3/4	51.00-71.10	11.750	9.770
11 3/4	54.00-71.00	12.750	10.770
13 3/8	48.00-86.00	14.380	12.579

The Spring Float shoe