Customized: | Customized |
---|---|
Material: | Stellite |
Application: | Steelmaking,Oil&Gas Industry |
Size: | Accept Custom |
Chemical Composition: | Cobalt Chrome Alloy |
Hardness: | HRC35-55 |
Customization: |
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Stellite Valve Seat Brief Introduction:
Stellite 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 stellite now .
The valve balls are made of Stellite 20 and valve seat are made of stellite 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 stellite seat and ball?
Material : |
Stellite -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 cutomers request |
Usage : |
one balls 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 |
Stellite 3 Valve Seat Chemical composition :
Grade |
C |
Mn |
Si |
Cr |
Ni |
Mo |
W |
Co |
Fe |
P |
S |
Density (g/cm3) |
Hardness (HRC) |
Stellite 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 |
|
Stellite 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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