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

Bow Spring Centralizer, Hinged Bow Spring Casing Centralizer, Woven Centralizer manufacturer / supplier in China, offering Hinged Bow Spring Casing Centralizer, 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 Hinged Bow Spring Casing Centralizer

Hinged Bow Spring Casing Centralizer

FOB Price: US $15-90 / Piece
Min. Order: 100 Pieces
Min. Order FOB Price
100 Pieces US $15-90/ Piece
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Port: Qingdao, China
Production Capacity: 10000PC/Month
Payment Terms: T/T, Western Union

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Basic Info
  • Model NO.: ZS-GH-BC03
  • Machine Type: Drilling Equipment
  • Material: Carbon Steel
  • Standard: API 10d
  • Test Report: Yes
  • Delivery Time: 30 Days for 5000 PCS
  • Transport Package: Wood Packing
  • Origin: Henan, China
  • Type: Hinged Type
  • Use: Well Drilling
  • Size: 4 1/2"-20"
  • Sample: Yes
  • Factory Visit: Yes
  • Trademark: ZS
  • Specification: API
Product Description
Hinged bow spring casing centralizer

Premium quality Bows are made of special alloy steel and hot formed in totally controlled heat treatment plant to achieve the uniform hardness all over.
Spec and performance index of bow spring casing centralizer meet API Spec 10D. The woven centralizer is connected by pin when in use, the unfolded centralizer can be stacked flatly for convenient storage and transportation

1) Bow springs made of spring steel which has been heat teated and hardened tempered to ensure proper and consistent spring characteristics.
2) End collar hinges are folded toward inside. This way will minimize the collar stretch taht tends to occur when centralizers encounter tapers, commonly found in certain type of pipe connections.
3)A reinforcing rib stamped into the end collar. This way will strengthen and preserve it's round configuration during transport.
4)Several different spring bow heights that are available to accommodate most of casing-to-hole configuration.
5)Centralizers with built-in stop devices as well as those of uncommon sizes are available based on request.

Technical Parameters: 
No.SpecificationBow TypeID, mmLength, mmMax OD, mmBow Spring
15-1/2"*8-1/2"I, II142-148650±50225±55
27"*8-1/2"I, II181-186650±50235±56
39-5/8"*12-1/4"I, II250-255650±50330±58
410-3/4"*12-1/4"I, II274-276650±50330±59
513-3/8"*17-1/2"I, II342-347650±50450±511
620"*26"I, II510±1600±50660±512
Note: I (single bow), II (double bow). 
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Mr. Eric Cao
Sales manager
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