| Customization: | Available |
|---|---|
| Spec: | V11-175/V11-225/V11-250 |
| Sample: | Available |
|
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Both are mainly used for the sealing of valves of oil pumps in petroleum industry's sand containing wells, viscous oil wells, sea oil wells and high pressure sulfur resistant oil wells, etc.
They are used with compatible cemented carbide valve seats.
1.Made by 100% original raw materials
2.Good abrasive resistance
3.After accurate grinding and polishing,the frictional factor of surface is very low.
4.Widely used in ball-bearing,seat valve, ball screws and flow meters.pen,spraying machines ,pump,machinery parts,oil,hydrochloric zcid lab,hardness measuring instrument,and so high-end industry.
5.Recommended grade: YG8,YG11,YG15,YS2T,YL10.2,other grade can be offered by customers' request.
features:
1. High strength, high wear resistance,
2.high precision, high temperature resistant,
3.corrosion resistant.
4.Stainless Steel, Tungsten Carbide, Titanium Carbide, Cobalt Alloy are the main material.
Main Specifications for reference:
|
Dimensional Symbol |
V11-106 | V11-125 | V11-150 | V11-175 | V11-200 | V11-225 | V11-250 | V11-375 |
|
Ball-D +0.020/-0.010 (+0.51/-0.25) |
15.88 (0.625in) |
19.05 (0.75in) |
23.83 (0.938in) |
28.58 (1.125in) |
31.75 (1.25in) |
34.93 (1.375in) |
42.88 (1.688in) |
57.15 (2.25in) |
|
Seat-ID ± 0.050 (± 1.27) |
11.68 (0.46in) |
13.97 (0.55in) |
17.02 (0.67in) |
20.96 (0.825in) |
24.38 (0.96in) |
26.92 (1.06in) |
33.27 (1.31in) |
43.18 (1.7in) |
|
Seat-OD +0.000/-0.005 (+0.00/-0.13) |
20.14 (0.793in) |
23.32 (0.918in) |
29.67 (1.168in) |
35.26 (1.388in) |
37.54 (1.478in) |
43.69 (1.72in) |
51.05 (2.01in) |
78.03 (3.072in) |
|
Seat-H +0.020/-0.010 (+0.51/-0.25) |
0.500 (12.70in) | 0.500 (12.70in) | 0.500 (12.70in) | 0.500 (12.70in) | 0.500 (12.70in) | 0.500 (12.70in) | 0.500 (12.70in) | 0.750 (19.05in) |
main material for reference:
| Symbol | Symbol | Hardness | Material |
| A1 | Stainless Steel |
Ball: HRC 58-65 Seat: HRC 52-56 |
UNS 41000-UNS 44000 |
| B1 | Cobalt Alloy, Cast |
Ball: HRC 56-63 Seat: HRC 50-56 |
Cobalt, chromium, and tungsten alloy |
| B2 |
Cobalt Alloy, Powder Metal |
Ball: HRC 53-60 Seat: HRC 51-57 |
Cobalt, chromium, and tungsten alloy |
| C1 | Tungsten Carbide |
Ball: HRA 88-89 Seat: HRA 88-89.5 |
Tungsten with Cobalt binder |
| C3 | Titanium Carbide |
Ball: HRA 89-90.5 Seat: HRA 89-90.5 |
Tungsten and titanium carbide with cobalt binder |
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