API Female male threaded sucker rod reducing coupling
API Female male threaded sucker rod reducing coupling
API Female male threaded sucker rod reducing coupling
Description:
Sucker rod couplings are used for connecting sucker rods, polished rods and sinker bars.
-The main types of sucker rod couplings are sucker rod couplings, polished rod couplings and sub-couplings.
- All of the three types have two classes: class T(through-hardened)and class SM (sprayed metal).
-Material: carbon steel, alloy steel.
-Specification:5/8”, 3/4”, 7/8”1”, 1 1/8”
The coupling blanks are formed or machined to size and tolerance, threaded using a cold-forming rolled thread tap and coated for anti-galling and lubrication properties.
Grade & steel for coupling:
|
Product |
Type |
Grade |
Steel (AISI) |
|
coupling |
Sucker Rod Couplings Sub couplings Polished Rod Connections |
T |
5140, 1045 |
|
|
|
SM |
5140, 1045 |
|
|
|
K |
4620,4720 |
|
|
|
KD |
4330 |
|
|
|
UHS |
4142,4130,4330 |
Technical parameter:
Full Size Coupling
|
Size(in) |
Coupling O.D W(mm) |
Length L(mm) |
Thread D.(in) |
Length of Wrench Square |
Hardness(HRA) |
|
5/8" |
38.10 |
101.6 |
15/16" |
31.8 |
56-62 |
|
3/4" |
41.28 |
1-1/16" |
|||
|
7/8" |
46.00 |
1-3/16" |
|||
|
1" |
55.60 |
1-3/8" |
38.1 |
||
|
1-1/8" |
60.33 |
114.3 |
1-9/16" |
Slim Hole Coupling
API Female male threaded sucker rod reducing coupling
About us
Dongying OilMan Machinery Equipment Co.,Ltd is a professional supplier of various petroleum equipment, including drilling rig accessories, well control system, drill string, handling tools, downhole tools, OCTG, drilling tools, cementing tools and spare parts with API certification. Our products have been exported to Russia, America, Middle East, South America, Southeast Asia, Central Asia, African, Australia, Europe etc. Our company is willing to cooperate and make common progress with friends at home and abroad with first-class products, first-class service and reasonable prices.
Certificates
API-5CT, API-10D, API-7K, API-11E, API-6A, API-11AX, API-5D, ISO 9001, ISO14001, ISO18001 etc.
I. Equipment arrived at the scene, by my company to send technical personnel and service personnel arrived at the scene, the installation of equipment debugging and technical training.
II. Equipment from the date of acceptance, the warranty period of one year, the warranty period, equipment problems, we respond within 12 hours, if necessary, our service staff received a notice within 5 days (international) to reach the scene, the two sides Technical analysis, a product quality problems, we are responsible for free repair or replacement, more than the warranty period, we provide technical services and spare parts supply.
III. After the device is running, we will conduct a telephone tracking service, and regular user visits.
- Step 1Find your interested products by search keywords
- Step 2Contact the supplier by clicking ”Enquire” or “request meeting” button, otherwise, you also could consult our import consultant.
- Step 3After verifying your email, get response from suppliers or our trade manager will contact you as soon as possible
- Step 4Set up meeting with the Chinese supplier without language barrier