Specifications

1.API certificate;
2.long service life;
mpt delivery;

 

 

 

 

 

Description: Upper end connected with pumping jack and lower end connected with pump Top one of pump rod string called bare rod which can seal wellhead combined with wellhead seal box

 

Grade of steel including: C, K, D, KD, H, HL and HY

 

Polished rod surface treatment including: polishing and chrome-plated layer, tungsten alloy layer

 

Rod accessories includes: sucker rod nipple, sucker rod coupling and variable diameter nylon coupling, sucker rod nylon centralizer, sucker rod roller centralizer, polished rod clip and polished rod sealing device

 

Technical parameters

 

 

 

Specification	Diameter of  rod body (mm)	Thread nominal diameter (in)	outside diameter (mm)	Wrench width (mm)	Length(m)
5/8”	16	5/16	31.8	22.2	----
3/4”	19	11/16	38.1	25.4
7/8”	22	13/16	41.3	25.4
1”	25	13/8	50.8

 

 

 

  Puyang Zhongshi Group co., Ltd. was founded in 1996, which is the restructured enterprise

 of Central Plains oilfield branch company of SINOPEC . The company registered capital is 

60.83 million yuan, with annual output value 200 million yuan, 580 employees, including 

more than 160 technical and administrative staff . Oil machinery is our main products, the

 leading products include pumping unit, subsurface sucker rod pump, wellhead (Christmas 

Tree), pressure vessels, drilling solid control series products and cementing accessories. We

 had attained ISO 9001 in 1998 and API Certificates in 2002 .

 

 

 

 Certificates