| Customization: | Available |
|---|---|
| Customized: | Customized |
| Material: | Cobalt Alloy |
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Valve Seat Brief Introduction:
Cobalt Alloy valve ball and seat are very important parts of underground oil-well pump , they always show up together and cooperate very good , no better material can replace Cobalt Alloy now .
The valve balls are made of Cobalt Alloy 20 and valve seat are made of Cobalt Alloy 3 . They are a good team to resist the wear and corrosion issue in oil and gas pimping process .
What is the Details of our Cobalt Alloy seat and ball?
|
Material : |
Cobalt Alloy -Grade 3 and 20 |
|
Process : |
Powder Metallurgy, it is short for PM |
|
Hardness: |
53-59HRC |
|
Density : |
8.6-8.8 g/cm ³ |
|
Size : |
Diameter 11-60 mm
|
|
Properties : |
Wear and corrosion resistance, high-temperature resistance |
|
Application : |
Oil well pump components, wear and corrosion resistance parts |
|
Instructions : |
Drawing made upon customer request |
|
Usage : |
one ball with one valve |
|
Tolerance control : |
Turning or grinding surface, tolerance upon drawing |
|
Production lead time |
Samples 10 days, normal order 30 days |
|
Production capacity : |
40,000pcs one month. |
|
Package : |
Carton or wooden case, pallet for export |
Cobalt Alloy 3 Valve Seat Chemical composition :
|
Grade |
C |
Mn |
Si |
Cr |
Ni |
Mo |
W |
Co |
Fe |
P |
S |
Density (g/cm3) |
Hardness (HRC) |
|
Co 3 |
2.0-2.7 |
1.0 |
1.0 |
29-33 |
3.0 |
11-14 |
Bal. |
3.0 |
≤0.03 |
≤0.03 |
8.55 |
51-55 |
|
|
Co 20 |
2.2-3.0 |
2.0 |
30-34 |
3.0 |
1.0 |
14-18 |
Bal. |
3.0 |
≤0.05 |
≤0.05 |
8.65 |
53-59 |
API Valve Seat and ball Standard
|
No. |
Specifications |
Seat Dimensions OD/ID×H (in) |
Weight (g/pc) |
Ball Dimensions |
Weight (g/pc) |
|
1 |
VII-106 |
0.793/0.460×0.500 |
22.81 |
15.88 |
18.44 |
|
2 |
VII-125 |
0.918/0.550×0.500 |
29.55 |
19.05 |
31.84 |
|
3 |
VII-150 |
1.168/0.670×0.500 |
49.53 |
23.83 |
62.32 |
|
4 |
VII-175 |
1.388/0.825×0.500 |
68.13 |
28.58 |
107.51 |
|
5 |
VII-200 |
1.478/0.960×0.500 |
69.05 |
31.75 |
147.40 |
|
6 |
VII-225 |
1.720/1.060×0.500 |
100.34 |
34.93 |
196.27 |
|
7 |
VII-250 |
2.010/1.310×0.500 |
127.04 |
42.88 |
363.10 |
|
8 |
VII-375-1 |
3.072/1.700×0.750 |
536.94 |
57.15 |
859.63 |
|
9 |
VII-375-2 |
3.072/1.880×0.750 |
484.12 |
57.15 |
859.63 |
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