Audited Supplier
D25.35/D12.5*H13.5
None
OEM Size
High Temperature
Valve Balls, Valve Cages, Seal Rings
OEM, ODM, Obm
Oil, Gasoline, Corrosion Liquid etc
Ball Valve, Choke Valve, Piston Valve etc
Safety
Wear, Heat and Corrosion Resistance
Pneumatic
Valve Seats, API Seats, Valve Parts, Pump Parts
SYTOP
Cardboard Box, Plywood Box
Liaoning, China
Product Description
Cobalt Chrome Alloy valve ball and seat are very important parts of oil-well pump , they always show up together and cooperate very good , no better material can replace them now .
The valve balls are made of Cobalt Chrome Alloy 20 and Cobalt Chrome Alloy seat are made of Cobalt Chrome 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 Chrome Alloy seat and ball?
| Material : | Cobalt Chrome Alloy |
| 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 |
Chemical compositions and properties (%)
| Brand | C | Mn | Si | Cr | Ni | Mo | W | Co | Fe | P | S | Density (g/cm3) | Hardness (HRC) |
| ST 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 | |
| ST 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 |
Dimensions of our valve seats
API Valve Seat Standard
| No. | Specifications | Dimensions OD/ID×H (in) | Weight (g/pc) |
| 1 | VII-106 | 0.793/0.460×0.500 | 22.81 |
| 2 | VII-125 | 0.918/0.550×0.500 | 29.55 |
| 3 | VII-150 | 1.168/0.670×0.500 | 49.53 |
| 4 | VII-175 | 1.388/0.825×0.500 | 68.13 |
| 5 | VII-200 | 1.478/0.960×0.500 | 69.05 |
| 6 | VII-225 | 1.720/1.060×0.500 | 100.34 |
| 7 | VII-250 | 2.010/1.310×0.500 | 127.04 |
| 8 | VII-375-1 | 3.072/1.700×0.750 | 536.94 |
| 9 | VII-375-2 | 3.072/1.880×0.750 | 484.12 |
