Puyang Zhongshi Group Co., Ltd.
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability | 1000 Sets per Month |
| Delivery Time | 5~8 workdays |
| Packaging Details | Standard exported packing |
| Standard | API 11AX |
| Material | Tungsten Carbide |
| Application | Pump parts |
| Warranty | 12 months |
| Feature | Corrosion resistance |
| Hardness | Ball HRA 88-89; seat HRA 88-89.5 |
| Brand Name | Zhongshi |
| Model Number | ZS |
| Certification | API，ISO，QHSE |
| Place of Origin | China |
View Detail Information
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Product Specification
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram | Supply Ability | 1000 Sets per Month |
| Delivery Time | 5~8 workdays | Packaging Details | Standard exported packing |
| Standard | API 11AX | Material | Tungsten Carbide |
| Application | Pump parts | Warranty | 12 months |
| Feature | Corrosion resistance | Hardness | Ball HRA 88-89; seat HRA 88-89.5 |
| Brand Name | Zhongshi | Model Number | ZS |
| Certification | API，ISO，QHSE | Place of Origin | China |
| High Light | API 11AX Oilfield Pump Parts ，HRA 88 Oilfield Pump Parts ，Oilfield Tungsten Carbide Valve Ball | ||
Tungsten Carbide Valve Ball & Seats Oilfield Pump Parts
Tungsten carbide valve Balls and seats
The oilfiedl pump parts tungsten carbide valve ball and seats consist of complex carbides in an alloy matrix. They are resistant to wear, galling, and corrosion and retain these properties at high temperatures. Their exceptional wear resistance is due mainly to the unique inherent characteristics of the hard carbide phase dispersed in a CoCr alloy matrix.
Valve balls & seats classification:
| API CODE | Symbol | hardness | Material |
| A1 | stainless steel | Ball:HRC 58-65 Seat: HRC 52-56 | UNS41000-UNS44000 |
| 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: HRC 88-89 Seat: HRC 88-89.5 | tungsten with cobalt binder |
| C3 | titanium carbide | Ball: HRC 89-90.5 Seat: HRC 89-90.5 | tungsten and titanium carbide with cobalt binder |
Features
1. Heat Resistance, wear resistance, corrosion resistance
2. Made as required dimensions and materials
3. Main products: valve seat, pump parts, pistons, bushings, nozzles etc.
Packing photo:
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
1997
Total Annual:
5 million-10 million
Employee Number:
570~600
Ecer Certification：
Verified Supplier
Puyang Zhongshi Group Co., Ltd., restructured from SINOPEC in 1997 has 20 years experience on manufacturing petroleum machinery products . The company registered capital is 10 million U.S. dollars, with annual export 30 million U.S. Dollars. We have competitive price of o... Puyang Zhongshi Group Co., Ltd., restructured from SINOPEC in 1997 has 20 years experience on manufacturing petroleum machinery products . The company registered capital is 10 million U.S. dollars, with annual export 30 million U.S. Dollars. We have competitive price of o...
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