Products

API Spec 11b Polished Rod Coupling Oil Well

China API Spec 11b Polished Rod Coupling Oil Well, Find details about China Polished Rod Coupling, Polished Rod Couplings from API Spec 11b Polished Rod Coupling Oil Well

Model NO.
1 1/4" - 1 7/8"
Trademark
MED
Specification
5/8" - 1 7/8", or as required
Origin
China
Model NO.
1 1/4" - 1 7/8"
Trademark
MED
Specification
5/8" - 1 7/8", or as required
Origin
China
API Spec 11b Polished Rod Coupling Oil Well
API Spec 11B Polished Rod Coupling Oil Well

Polished Rods and Couplings
Polished rods and couplings are designed to handle the running torque and entire axial load generated by the weight of rod string.
Features
• Handling the complete string load;
• Transmitting sufficient torque to drive PCP;
• Ensure the sealing with drive head sealing device
• Ensure Flush-By operationAPI Spec 11b Polished Rod Coupling Oil WellPolished Rod
A polished rod is the top rod in a rod string. It is made of carbon steel, stainless steel or other materials, mainly used to connect the oil well pumping unit and rod string.
Polished rod has the characteristics of high tensile strength, smooth surface and long service life. It can be used with sucker rods and hollow sucker rods.
Our polished rods are produced strictly in accordance with API Spec 11B. We provide three types of polished rods: ordinary polished rod, polished metal spraying rod, and single-ended upset polished rod.
Specification
NameSizeGradeMechanical properties
RelRmAZ
(MPa)(MPa)(%)(%)
Polished rod-normal typeφ25H≥795965~1195≥ 10≥ 45
φ29D
φ32
φ38≥ 590795~965≥ 10≥ 50
 
DiametersLength
Body SizePin Size
inchmminchmminch
1-1/8"28.585/8"15.888,11,16,22,24,26
3/4"19.05
1-1/4"31.757/8"22.2311,16,22,24,26,30,36
1-1/2"38.11"25.416,22,24,26,30,36
• The polished rods with solid and hollow structures are available.
• The polished rods in sizes from''7/8 to 1''1/2 with various lengths are available.

API Spec 11b Polished Rod Coupling Oil Well
Polished Rod Coupling
Polished rod coupling is designed to connect polished rod and sucker rod. Sucker rod coupling cannot be used to connect polished rod; polished rod coupling can be used to connect sucker rod. 
API Spec 11b Polished Rod Coupling Oil Well
 

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