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

Sucker Rod Coupling, API 11b Coupling, Rod Coupling manufacturer / supplier in China, offering API Standard Spray Welding Sucker Rod Coupling, API 11ax Cobalt Alloy Valve Pairs Stellite Valve Ball and Seat, API 11ax Pump Parts Valve Pair Valve Ball and Seat and so on.

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Supplier Homepage Product Casing accessories API Standard Spray Welding Sucker Rod Coupling

API Standard Spray Welding Sucker Rod Coupling

FOB Price: US $5 / Piece
Min. Order: 10 Pieces
Min. Order FOB Price
10 Pieces US $5/ Piece
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Port: Qingdao, China
Production Capacity: 50, 000 PCS/Month
Payment Terms: L/C, T/T, Western Union, Paypal

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Basic Info
  • Model NO.: spray welding
  • Structure: Universal
  • Material: Alloy
  • Size: 3/4"
  • Certificate: API 11b, ISO9001
  • Transport Package: Wooden Case or as Requested
  • Origin: Henan, China
  • Connection: Female
  • Flexible or Rigid: Flexible
  • Standard: Standard
  • The Type of Thread: API Thread
  • Trademark: Zhongshi
  • Specification: API
  • HS Code: 8431
Product Description
Couplings produced by our factory include sucker rod coupling, sub-coupling, API 5CT tubing and casing coupling. Sucker rod coupling and sub-coupling are designed in accordance with API Spec 11B, the material is high quality alloy steel. Normally, there are 2 wrench flats on the outside diameter. Class T coupling hardness is HRA56-62 after heat treatment, possesing better anti-corrosion property and abrasion-proof property.

Sucker rod coupling is used for connecting the same size of sucker rods. Sub-coupling is used for connecting the two sizes of sucker rods or polished rod to a sucker rod string.
Size (in)3/47/81
Coupling O.D (+0.13,-0.25) (mm)41.346.055.6
Threaded D.(in)1 1 /161 3 /161 3 /8
Lengh of wrench square (mm)31.831.838.1
Lengh (+1.57,0.00) (mm)101.6
Hardness ( HRA )56-62
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