Gold Member Since 2010
Audited Supplier
Puyang Zhongshi Group Co., Ltd.

Polished Rod Coupling, Polishing Rod Coupling, API Polished Rod Coupling manufacturer / supplier in China, offering API Spray Metal Sm Full Size Fs Polished Rod Coupling, API Certificated Nylon Composite Plastic Centralizer, API Spiral Blade Cast Aluminum Centralizer and so on.

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Supplier Homepage Product Casing accessories API Spray Metal Sm Full Size Fs Polished Rod Coupling

API Spray Metal Sm Full Size Fs Polished Rod Coupling

Purchase Qty.:
10-999 1,000+
FOB Unit Price: US $50 US $2
Purchase Qty. (Pieces) FOB Unit Price
10-999 US $50
1,000+ US $2
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Port: Qingdao, China
Production Capacity: 10000piece/Month
Payment Terms: T/T, Western Union

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Basic Info
  • Model NO.: Polished Rod Coupling
  • Structure: Metal Bellows
  • Material: Carbon Steel
  • Certification: API Spec 11b
  • Diameter Type: Sh(Slim Hole), Fs(Full Size)
  • Trademark: Zhongshi
  • Specification: API, ISO
  • HS Code: 8431
  • Connection: Flange
  • Flexible or Rigid: Rigid
  • Standard: Standard
  • Grade/Class: Class T, Spray Metal
  • Use: Oil Production Accessories
  • Transport Package: Plywood Case
  • Origin: Henan, China
Product Description
Product Description

API 11b Spray Metal SM Full Size FS Polished Rod Coupling
1)  Basic Material: AISI5140(high quality carbon steel)
2)  Coat Material: Ni60A Alloy Coating
3) Coat  thickness: 0.010in-0.020in
4) Standard: API Spec11B
5) Type: full size(FS) and slim hole(SH)
6)  Grade/Class: T and SM(spray metal)
7) Description
Polished rod couplings are designed for connecting of the polished rod to the top rod of the string. Contrary to rod couplings, polished rod couplings have a female cone that eliminates the coupling twist-off in the course of operation.
8) Parameter

gradeO.D(mm)Minimum lengh(mm)HardnessWeight(kg)Standard
3/4"19-T41.05~41.43101.6~103.1756-62HRA0.65API 11B
7/8"22-T45.75~46.1345.75~46.1356-62HRA0.8API 11B
1"25-T55.35~55.7355.35~55.7312-23HRA1.15API 11B

Company Information

Puyang Zhongshi Group Co., Ltd is a professional manufacturer of various oilfield equipments and cementing accessories since 1997, restructured enterprise of SINOPEC. 
We have the certificates of API 5CT, API 10D, API 11E, API 6A, API 11AX, ISO 9001 and ISO 14001, etc..  
Our  products mainly include: 
1. Casing Centralizer                          2.  Float Collar & Float Shoe 
3. Cementing Plug                              4.  Cementing Head
5.  Cement Basket                              6.  Tubing Pump / Rod Pump
7.  Valve Ball & seat                            8. Casing / Tubing Pipe and Coupling
9. Stage Collar                                    10. Pumping Unit
11. Air Blaster                                      12.  Sucker Rod
Our group have more than 10 years export experience and 9 subsidiary factories, more than 500 employees. We are the first-class supplier of resources market of SINOPEC and CNPC.  Our foreign customers are mainly from America, Central Asia, Russia, Southeast Asia, Middle East, etc.

Contact Us


Add: 5th community, Zhongyuan Oilfield, Puyang, China

Tel: 0086-371-87096211 / 15838304721

Fax: 0086-371-87096212


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