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Connector

Connection

Description
Connector is a kind of connection accessory which can be used to connect female or male thread according to the usage. Connector can be classified as double male connector (which can be further classified as double male connector with same diameter and reducing double male connector) and male-to-female connector.

Connectors are made with high quality carbon steel (45# steel) or alloy steel (35CrMoA), and their mechanical property is hardness, which is HRA56-62 if no special requirement is asked.

Advantages
Our connectors are independently developed by us according to our customers’ special requirements for the connection of sucker rod strings. These connectors can help customers to easily connect the sucker rod string and reduce costs.

Classification
Connectors can be classified as double male connectors and male-to-female connector.

Note
When choosing connectors, you must be clear about the types of thread on two ends. This will help you to get the right connector.

Parameter
Specifications of Double Male Connector
No. Type TJJT 16 TJJT 19 TJJT 22 TJJT 25 TJJT 28
1 Size (in) 5/8 3/4 7/8 1 1-1/8
2 Shoulder OD (mm) 31.80 38.10 41.30 50.80 57.20
3 Length (+1.57, 0) 110.0 114.3 127.0 140.0 152.4
4 Nominal OD of Pin (in) 15/16 1-1/16 1-3/16 1-3/8 1-9/16
5 Min. Length of Wrench Square Neck 31.8 31.8 31.8 38.1 41.3
6 Distance Between Wrench Square Necks (0, -0.8) 28.6 34.9 36.5 46.0 50.8

Specifications of Reducing Double Male Connector
No. Type Size Connector Length
L (+1.57,0)
Shoulder
OD (mm)
Nominal OD of Pin Thread (in) Wrench Square Neck
Big End Small End Min. Length
WL
Gap Wf (0, -0.8)
1 YJJT16 × 19 5/8 × 3/4 110.0 38.10 1-1/16 15/16 31.8 34.9
2 YJJT19 × 22 3/4 × 7/8 120.6 41.30 1-3/16 1-1/16 31.8 38.1
3 YJJT22 × 25 7/8 × 1 140 50.80 1-3/8 1-3/16 38.1 47.6
4 YJJT25 × 28 1 × 1-1/8 147.3 57.20 1-9/16 1-3/8 41.3 50.8

Specifications of Male-to-female Connector
No. Type TGMJT16 TGMJT19 TGMJT22 TGMJT25 TGMJT28
1 Size (in) 5/8 3/4 7/8 1 1-1/8
2 Shoulder OD (mm) 31.80 38.10 41.30 50.80 57.20
3 Connector Length (+1.57, 0) 110.0 114.3 127.0 140.0 152.4
4 Nominal OD of External/Inner Thread (in) 15/16 1-1/16 1-3/16 1-3/8 1-9/16
5 Min. Length of Wrench Square Neck Design according to the requirements of full size couplings specified in SY/T 5029-2013
6 Distance Between Wrench Square Necks Wf (0, -0.8)

Specifications of Reducing Male-to-female Connector
No. Type Size (in) Connector Length
L (+1.57, 0)
Outside Diameter
OD (mm)
Nominal OD of Inner/ External Pin Thread (in) Wrench Square Neck
Male End Female End Min. Length WL Gap Wf (0, -0.8)
1 YGMJT 16 × 19 5/8 × 3/4 110.0 38.10 1-1/16 15/16 Designed according to the requirements of slim hole couplings of wrench square
2 YGMJT 19 × 22 3/4 × 7/8 120 41.30 1-3/16 1-1/16
3 YGMJT 22 × 25 7/8 × 1 135 50.80 1-3/8 1-3/16
4 YGMJT 25 × 28 1 × 1-1/8 127.0 57.20 1-9/16 1-3/8