China API 5CT 5dp 5e/J55/K55/N80/P110 Oilfield Coupling, Tubing Coupling, Casing Coupling dc coupling

Item Description

THE Major Products OF THE Organization.
Tubing and casing couplings for oilfield,requirements from 2-3/8″-twenty”,steel grade from J55-Q125.
Principal Uncooked Materials SUPPLIERS.
ZheJiang Seamless Steel Pipe PlantZheJiang Changbao Precision Metal Tube Co.,LtdZheJiang TiHangZhou Oil Pipe Co.,LtdHuaian Zhenda Steel Tube Manufacturing Co.,LtdZheJiang HangZhou Steel Union Co.,Ltd.

Size and Specs For Tubing and Casing Couplings

Descriptions and Size Type of   Thread O.D*   L Fat
   
(mm) (kg)
Tubing Coupling 2-3/8″ NUE seventy three.02*107.ninety five 1.28
2-3/8″ EUE 77.eighty*123.eighty two one.fifty five
two-7/8″ NUE 88.90*a hundred thirty.18 2.34
2-7/8″ EUE ninety three.seventeen*133.35 two.four
3-1/2″ NUE 107.ninety five*142.88 3.71
three-1/2″ EUE 114.30*146.05 4.1
four” NUE one hundred twenty.65*146.05 four.35
four” EUE 127.00*152.40 4.eighty two
four-1/2″ NUE 132.08*155.fifty eight four.89
4-1/2″ EUE 141.30*158.seventy five six.05
Casing Coupling four-1/2″ STC 127.00*158.seventy five five.23
four-1/2″ LTC 127.00*177.80 4.15
four-1/2″ BTC  133.35*225.42  6.89
five” STC  147.32*one hundred sixty five.10  four.66
5″ LTC  147.32*196.85  5.75
five” BTC  147.32*231.78  five.85
five-1/2″ STC 153.sixty seven*171.forty five five.23
5-1/2″ LTC  160.02*203.20  eight.ninety two
five-1/2″ BTC 153.sixty seven*234.ninety five six.36
six-5/8″ STC 187.seventy one*184.15 9.12
six-5/8″ LTC 187.seventy one*222.25 eleven.34
six-5/8″ BTC 187.71*244.48 11.01
7″ STC 194.46*184.15 8.39
7″ LTC 194.46*228.60 10.eighty three
seven” BTC 194.forty six*254.00 ten.fifty four
seven-5/8″ STC 215.90*190.fifty 12.3
7-5/8″ LTC 215.90*234.ninety five fifteen.63
seven-5/8″ BTC 215.ninety*263.fifty two fifteen.82
8-5/8″ STC 244.48*196.eighty five 16.23
eight-5/8″ LTC 244.forty eight*254.00 21.67
8-5/8″ BTC 244.forty eight*269.88 20.86
nine-5/8″ STC 269.88*196.eighty five 18.03
9-5/8″ LTC 269.88*266.70 25.forty five
nine-5/8″ BTC 269.88*269.88 23.sixteen
10-3/4″ STC 298.forty five*203.twenty 20.seventy eight
10-3/4″ BTC 298.forty five*269.88 twenty five.seventy four
eleven-3/4″ STC 323.85*203.twenty 22.64
11-3/4″ BTC 323.85*269.88 28.03
thirteen-3/8″ STC 365.twelve*203.20 twenty five.66
13-3/8″ BTC 365.twelve*269.88 31.77
sixteen” STC/LTC 431.80*228.sixty 34.91
sixteen” BTC 431.eighty*269.88 40.28
18-5/8″ STC/LTC 508.00*228.60 54.01
18-5/8″ BTC 508.00*269.88 sixty two.sixty eight
20″ STC/LTC 533.forty*228.60 43.forty two
twenty” BTC 533.forty*269.88 50.ten

US $5.7-5.98
/ Piece
|
9,450 Pieces

(Min. Order)

###

After-sales Service: One Year
Warranty: One Year
Manufacturing Process: CNC Milling
Surface Treatment: Spray-Paint
Operation Pressure: Atmospheric Pressure
Material: Alloy

###

Samples:
US$ 7/Piece
1 Piece(Min.Order)

|
Request Sample

###

Size and Specifications For Tubing and Casing Couplings

Descriptions and Size Type of   Thread O.D*   L Weight
   
(mm) (kg)
Tubing Coupling 2-3/8" NUE 73.02*107.95 1.28
2-3/8" EUE 77.80*123.82 1.55
2-7/8" NUE 88.90*130.18 2.34
2-7/8" EUE 93.17*133.35 2.4
3-1/2" NUE 107.95*142.88 3.71
3-1/2" EUE 114.30*146.05 4.1
4" NUE 120.65*146.05 4.35
4" EUE 127.00*152.40 4.82
4-1/2" NUE 132.08*155.58 4.89
4-1/2" EUE 141.30*158.75 6.05
Casing Coupling 4-1/2" STC 127.00*158.75 5.23
4-1/2" LTC 127.00*177.80 4.15
4-1/2" BTC  133.35*225.42  6.89
5" STC  147.32*165.10  4.66
5" LTC  147.32*196.85  5.75
5" BTC  147.32*231.78  5.85
5-1/2" STC 153.67*171.45 5.23
5-1/2" LTC  160.02*203.20  8.92
5-1/2" BTC 153.67*234.95 6.36
6-5/8" STC 187.71*184.15 9.12
6-5/8" LTC 187.71*222.25 11.34
6-5/8" BTC 187.71*244.48 11.01
7" STC 194.46*184.15 8.39
7" LTC 194.46*228.60 10.83
7" BTC 194.46*254.00 10.54
7-5/8" STC 215.90*190.50 12.3
7-5/8" LTC 215.90*234.95 15.63
7-5/8" BTC 215.90*263.52 15.82
8-5/8" STC 244.48*196.85 16.23
8-5/8" LTC 244.48*254.00 21.67
8-5/8" BTC 244.48*269.88 20.86
9-5/8" STC 269.88*196.85 18.03
9-5/8" LTC 269.88*266.70 25.45
9-5/8" BTC 269.88*269.88 23.16
10-3/4" STC 298.45*203.20 20.78
10-3/4" BTC 298.45*269.88 25.74
11-3/4" STC 323.85*203.20 22.64
11-3/4" BTC 323.85*269.88 28.03
13-3/8" STC 365.12*203.20 25.66
13-3/8" BTC 365.12*269.88 31.77
16" STC/LTC 431.80*228.60 34.91
16" BTC 431.80*269.88 40.28
18-5/8" STC/LTC 508.00*228.60 54.01
18-5/8" BTC 508.00*269.88 62.68
20" STC/LTC 533.40*228.60 43.42
20" BTC 533.40*269.88 50.10
US $5.7-5.98
/ Piece
|
9,450 Pieces

(Min. Order)

###

After-sales Service: One Year
Warranty: One Year
Manufacturing Process: CNC Milling
Surface Treatment: Spray-Paint
Operation Pressure: Atmospheric Pressure
Material: Alloy

###

Samples:
US$ 7/Piece
1 Piece(Min.Order)

|
Request Sample

###

Size and Specifications For Tubing and Casing Couplings

Descriptions and Size Type of   Thread O.D*   L Weight
   
(mm) (kg)
Tubing Coupling 2-3/8" NUE 73.02*107.95 1.28
2-3/8" EUE 77.80*123.82 1.55
2-7/8" NUE 88.90*130.18 2.34
2-7/8" EUE 93.17*133.35 2.4
3-1/2" NUE 107.95*142.88 3.71
3-1/2" EUE 114.30*146.05 4.1
4" NUE 120.65*146.05 4.35
4" EUE 127.00*152.40 4.82
4-1/2" NUE 132.08*155.58 4.89
4-1/2" EUE 141.30*158.75 6.05
Casing Coupling 4-1/2" STC 127.00*158.75 5.23
4-1/2" LTC 127.00*177.80 4.15
4-1/2" BTC  133.35*225.42  6.89
5" STC  147.32*165.10  4.66
5" LTC  147.32*196.85  5.75
5" BTC  147.32*231.78  5.85
5-1/2" STC 153.67*171.45 5.23
5-1/2" LTC  160.02*203.20  8.92
5-1/2" BTC 153.67*234.95 6.36
6-5/8" STC 187.71*184.15 9.12
6-5/8" LTC 187.71*222.25 11.34
6-5/8" BTC 187.71*244.48 11.01
7" STC 194.46*184.15 8.39
7" LTC 194.46*228.60 10.83
7" BTC 194.46*254.00 10.54
7-5/8" STC 215.90*190.50 12.3
7-5/8" LTC 215.90*234.95 15.63
7-5/8" BTC 215.90*263.52 15.82
8-5/8" STC 244.48*196.85 16.23
8-5/8" LTC 244.48*254.00 21.67
8-5/8" BTC 244.48*269.88 20.86
9-5/8" STC 269.88*196.85 18.03
9-5/8" LTC 269.88*266.70 25.45
9-5/8" BTC 269.88*269.88 23.16
10-3/4" STC 298.45*203.20 20.78
10-3/4" BTC 298.45*269.88 25.74
11-3/4" STC 323.85*203.20 22.64
11-3/4" BTC 323.85*269.88 28.03
13-3/8" STC 365.12*203.20 25.66
13-3/8" BTC 365.12*269.88 31.77
16" STC/LTC 431.80*228.60 34.91
16" BTC 431.80*269.88 40.28
18-5/8" STC/LTC 508.00*228.60 54.01
18-5/8" BTC 508.00*269.88 62.68
20" STC/LTC 533.40*228.60 43.42
20" BTC 533.40*269.88 50.10

What Is a Coupling?

A coupling is a mechanical device that links two shafts together and transmits power. Its purpose is to join rotating equipment while permitting a small amount of misalignment or end movement. Couplings come in a variety of different types and are used in a variety of applications. They can be used in hydraulics, pneumatics, and many other industries.
gearbox

Types

Coupling is a term used to describe a relationship between different modules. When a module depends on another, it can have different types of coupling. Common coupling occurs when modules share certain overall constraints. When this type of coupling occurs, any changes to the common constraint will also affect the other modules. Common coupling has its advantages and disadvantages. It is difficult to maintain and provides less control over the modules than other types of coupling.
There are many types of coupling, including meshing tooth couplings, pin and bush couplings, and spline couplings. It is important to choose the right coupling type for your specific application to get maximum uptime and long-term reliability. Listed below are the differences between these coupling types.
Rigid couplings have no flexibility, and require good alignment of the shafts and support bearings. They are often used in applications where high torque is required, such as in push-pull machines. These couplings are also useful in applications where the shafts are firmly attached to one another.
Another type of coupling is the split muff coupling. This type is made of cast iron and has two threaded holes. The coupling halves are attached with bolts or studs.
gearbox

Applications

The coupling function is an incredibly versatile mathematical tool that can be used in many different scientific domains. These applications range from physics and mathematics to biology, chemistry, cardio-respiratory physiology, climate science, and electrical engineering. The coupling function can also help to predict the transition from one state to another, as well as describing the functional contributions of subsystems in the system. In some cases, it can even be used to reveal the mechanisms that underlie the functionality of interactions.
The coupling selection process begins with considering the intended use of the coupling. The application parameters must be determined, as well as the operating conditions. For example, if the coupling is required to be used for power transmission, the design engineer should consider how easily the coupling can be installed and serviced. This step is vital because improper installation can result in a more severe misalignment than is specified. Additionally, the coupling must be inspected regularly to ensure that the design parameters remain consistent and that no detrimental factors develop.
Choosing the right coupling for your application is an important process, but it need not be difficult. To find the right coupling, you must consider the type of machine and environment, as well as the torque, rpm, and inertia of the system. By answering these questions, you will be able to select the best coupling for your specific application.
gearbox

Problems

A coupling is a device that connects two rotating shafts to transfer torque and rotary motion. To achieve optimal performance, a coupling must be designed for the application requirements it serves. These requirements include service, environmental, and use parameters. Otherwise, it can prematurely fail, causing inconvenience and financial loss.
In order to prevent premature failure, couplings should be properly installed and maintained. A good practice is to refer to the specifications provided by the manufacturer. Moreover, it is important to perform periodic tests to evaluate the effectiveness of the coupling. The testing of couplings should be performed by qualified personnel.
China API 5CT 5dp 5e/J55/K55/N80/P110 Oilfield Coupling, Tubing Coupling, Casing Coupling     dc couplingChina API 5CT 5dp 5e/J55/K55/N80/P110 Oilfield Coupling, Tubing Coupling, Casing Coupling     dc coupling
editor by czh 2023-01-12