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, Valve Pair API Titanium Carbide Valve Ball & Valve 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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