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Sucker-rod Coupling

Suckerrodcoupling,accordingtoSY/T5988-94,isusedtoconnectsuckerrod.FinishedproductneedtobetreatedwithParkerizingorblackeningtoeliminatethreadeluinsandcorrosion.TechnologyParaaetersfor Adapter CouplingItemSize(connectionsuckerrod)ON(ScrewThread〕ODlengthLevelTJG161615/1638.1101.6/4TTJG19191/1641.3TJG22223/1646.0TJG25253/855.6TechnologyParaaetersforAdapterCouplingModelDNODLengthlevelYJG5/8-3/415/16-11/1641.3101.6/4TYJG3/4-7/811/16-13/1646.0YJG7/8-113/16-13/855.6

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Other drilling accessories tools

product description

Sucker rod coupling, according to SY/T5988-94,is used to connect sucker rod. Finished product need to be treated

with Parkerizing or blackening to eliminate thread eluins and corrosion.

Technology Paraaeters for Adapter Coupling

Item	Size (connection sucker rod)	ON( Screw Thread〕	OD	length	Level
TJG16	16	15/16	38.1	101.6/4	T
TJG19	19	1/16	41.3
TJG22	22	3/16	46.0
TJG25	25	3/8	55.6

Technology Paraaeters for Adapter Coupling

Model	DN	OD	Length	level
YJG5/8-3/4	15/16-11/16	41.3	101.6/4	T
YJG3/4-7/8	11/16-13/16	46.0
YJG7/8-1	1 3/16-13/8	55.6

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