| Customization: | Available |
|---|---|
| After-sales Service: | Yes |
| Warranty: | 1 Year |
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The polished rod clamp is a high-quality, high-strength, light-weight and easy-to-use clamp.
Available in single, double and triple bolt sizes to suit various oil well applications.
All Polished Rod Clamps are casted from high-grade, heat treated steel.
Bolts are cadmium plated. Hinge pins are 4140 heat treated steel.
The clamping surface of each polished rod clamp is bored and reamed to the exact size of the polished rod. Additionally, both ends are machine-squared with the hole to prevent eccentric loading if the hanger bar is flat.
Material
1. Chemical Composition
To meet the requirements of this specification, polished rod manufactured from any AISI or equivalent specification recommended cast iron or carbon steel as follows.
a) ASTM A536 ductile iron 65-45-12, or equivalent international series number.
b) Carbon Steel; aisi1015 to 1045 or AISI 1515 to 1545, or equivalent international series number.
2. Mechanical Properties
Tie allowable hardness range for polished rod clamps is between 190 and 300 HB
3. Maximum Load Rating
Each polished rod clamp design has a stated maximum load rating. The maximum rated load is no more than 75% of the minimum load to initial slippage when a new polished rod clamp which has successfully completed validation testing per in accordance with this specification.
| Polished Rod Diameter | Working load | Weight |
| 22mm(7/8in) | 78.5KN | 5.6Kg |
| 25.4mm (1in) | 100KN | 5.5Kg |
| 28.6mm (1 1/8in) | 118KN | 5.5Kg |
| Polished Rod Diameter | Working load | Weight | |
| 25.4mm (1 in) | 118KN | 7.3 Kg | |
| 28.6mm (1 1/8in) | 157KN | 7.2 Kg | |
| 31.8mm (1 1/4in) | 157KN | 7.1 Kg | |
| 38.1mm (1 1/2in) | 178KN | 9 Kg |
| Polished Rod Diameter | Working load | Weight | |
| 31.8mm (1 1/4in) | 178 KN | 10.35Kg | |
| 32mm | 178 KN | 10.35Kg | |
| 38.1mm (1 1/2in) | 178 KN | 10.2Kg |
Dongying Zhao Xin Industry and Trade Co., Ltd. was established in 2001. Our company is located in Dongying city which has the second largest Oilfield (Shengli Oilfield) in China. We are a company, which conducts scientific research, development, manufacture, sale and after sale service, is one enterprise for oilfield tool and equipment manufacturer. We cover an area of more than 9000 square meters which manufacture different oilfield products. Our main products include drilling equipment, oil production equipment, oil well service tools. Such as sucker rod, drill pipe, OCTG products, bridge plug. Currently, our products are already exported to North America, South America, Middle East, Middle Aisa, India and other countries and regions. The warranty period of all our products is 18 months.
We are an I S O 9 0 0 1, I S O 1 4 0 0 1, I S O 4 5 0 0 1,API certified company and have all the quality systems in place for design, planning, manufacturing and quality monitoring & traceability to ensure that all products match the quality & reliability Standards. We also have an independent measurement and inspection department, the inspection and measuring tools are fully equipped, we control each process to ensure that all products are qualified.
Dongying Zhaoxin Industry and Trade Co.,Ltd with perfect attitude, product and service, is going to make further development together with customers at home and abroad .
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