| Customization: | Available |
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| After-sales Service: | Yes |
| Warranty: | 1 Year |
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The polished rod clamp is fixed on the polished rod as retaining device for the rope hanger. It makes the pumping unit horsehead connected with polished rod through rod eye lifting device, and then the polished rod append and support the load of sucker rod string. The polished rod clamp is an important part connecting oil pump and sucker rod, it is required not only reliable, have a certain capacity, but also can not cause damage for sucker rod.
Polished rod clamps can be classified as single bolt polished rod clamp, double bolts polished rod clamp and three bolts polished rod clamp according to the number of bolts.
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.
| WL12000 single bolt polish rod clamp | |
Polished Rod Diameter | Working load | Tightening Torque | Weight | |
| 22mm | 78.5KN | 3200N.m | 5.6Kg | |||
| 25mm | 100KN | 5.5Kg | ||||
| 25.4mm (1in) | 100KN | 5.5Kg | ||||
| 28.6mm (1 1/8in) | 118KN | 5.5Kg | ||||
| WL16000 two bolts polish rod clamp | |
Polished Rod Diameter | Working load | Tightening Torque | Weight | |
| 25.4mm (1 in) | 118KN | 1545N.m | 7.3 Kg | |||
| 28mm | 157KN | 7.2 Kg | ||||
| 28.6mm (1 1/8in) | 157KN | 7.2 Kg | ||||
| 31.8mm (1 1/4in) | 157KN | 7.1 Kg | ||||
| 32mm | 157KN | 7.1 Kg | ||||
| 38.1mm (1 1/2in) | 178KN | 9 Kg | ||||
| WL18100 three bolts polish rod clamp | |
Polished Rod Diameter | Working load | Tightening Torque | Weight | |
| 31.8mm (1 1/4in) | 178 KN | 1977N.m | 10.35Kg | |||
| 32mm | 178 KN | 10.35Kg | ||||
| 38.1mm (1 1/2in) | 178 KN | 10.2Kg |
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