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Semi-Rigid Hinged Non-Welded Centralizer Double Crest Feature

China Puyang Zhongshi Group Co., Ltd. certification
China Puyang Zhongshi Group Co., Ltd. certification
Recommendation is good. Reception is professional. Demo training is also very great. Wish more online training after getting the machine.2017.8.26

—— David

Thanks for your kindly hospitality. Your company is very professional , we will have nice cooperation in the near future. 2015.6.28

—— Sergey

Good company with nice service and high quality and high reputation. One of our reliable supplier , goods are delivered in time and nice package 2016.3.25

—— Steve

Thanks for your good after-sale service. Excellent training and technology support helps me a lot. 2018.4.23

—— Mostafa

Professional, very helpful, great price. Will use again for other items 2019.2.21

—— Ahmed

Thanks for zhongshi group supporting and guidence. With your help and instruction, I win more market share. 2017.9.26

—— Manuel

Nice cooperation with zhongshi group.Imperssive for your service and support. 2018.3.18

—— Luis

We are satisfied with your product's quality. We highly appreciate to see the excellent performances in production capacity and thanks for the specialist technical support from you 2018.11.16

—— Mohammed

Good company with professional service and high quality. Delivered in time. Our most trusted partner for sucker rod and OCTG pipe. 2018.7.24

—— Nicolas

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Semi-Rigid Hinged Non-Welded Centralizer Double Crest Feature


Large Image :  Semi-Rigid Hinged Non-Welded Centralizer Double Crest Feature

Product Details:

Place of Origin: China
Brand Name: Puyang Zhongshi Group
Certification: API,ISO,QHSE
Model Number: 4 1/2"~20"

Payment & Shipping Terms:

Minimum Order Quantity: 1
Price: Negotiable
Packaging Details: Wooden Box
Delivery Time: depends on quantity
Payment Terms: T/T, MoneyGram
Detailed Product Description
Type: Semi-rigid Non-welded Size: 4 1/2"~36"
Installation: Hinged/Latch-on Crest: Double Crest
Bow: Single Crest Application: Oilfield Cementing Equipment
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Semi-Rigid Hinged Non-Welded Centralizer Double Crest Feature


Casing centralizer as a cementing tool is applied in vertical, deviated and horizontal wells to centralize casing for improving the cementing quality. The cement could be concreted firmed between casing and borehole wall. Comply with API standard and this type has high tensile and yield strength, shock, impact and corrosion resistance performance.

  • Non-weld semi Centralizers with high ability of withstand lateral load encountered
  • This device ensures high efficiency when in deviated and Horizontal wells
  • Combining the features of Standard Spring Bow Centralizers and ridgid centralizers 
  • This type with high Restoring force, high Stand Off and low Running Force, which is suitable for deviated and Horizontal wells and can maximum the load on springs bows.
  • Double Crests permits compression to facilitate movement through Tight spots and Doglegs
  • Double crests type attains high Stand Off because of high Restoring force.
  • It increases contact area for less Bow penetration, which helps to remove mud while operation.
  • For different hole diameter and different bows available for this type.


Model Hooping In-Dia. Hooping thickness Total length Max.Out-Dia Amount of spring
(in) (mm) (mm) (mm) (mm) (mm)
5-1/2" x 8-1/2" 142-148 42799 650±50 225±5 5
7" x 9-5/8" 181-186 42799 650±50 255±5 6
7" x 8-1/2" 181-186 42799 650±50 235±5 6
8-5/8 x 12-1/4" 223-228 42799 650±50 330±5 8
9-5/8 x 12-1/4" 250-255 42799 650±50 330±5 8
10-3/4 x 12-1/4" 274-276 42799 650±50 330±5 9
13-3/8"x17-1/2" 342-347 42799 650±50 450±5 11
18-5/8"x24" 475-477 42799 600±50 610±5 12
20"x26" 509-511 42799 600±50 660±5 12


Semi-Rigid Hinged Non-Welded Centralizer Double Crest Feature 0 

Contact Details
Puyang Zhongshi Group Co., Ltd.

Contact Person: Jamie

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