• Model NO.：ZS90
• Centralizers Type：Hinged Welded Drill Pipe Centralizer
• APP：Well Drilling
• Sample：Avaliable
• OEM：Avaliable
• Transport Package：Wooden Case
• Specification：4-1,2" to 20"
• Trademark：ZS
• Origin：Henan
• HS Code：8431
• Production Capacity：50000 Piece,Pieces Per Month

Basic Info.

Model NO. ZS90 Centralizers Type Hinged Welded Drill Pipe Centralizer APP Well Drilling Sample Avaliable OEM Avaliable Transport Package Wooden Case Specification 4-1/2" to 20" Trademark ZS Origin Henan HS Code 8431 Production Capacity 50000 Piece/Pieces Per Month

Product Description

API oilwell completion hinged welded pipe bow casing centralizers

Drill pipe centralizer
1. Sizes ranging from 4-1/2" to 20"
2. Hinged type collar
3. Welded type bow
4. Apply in stab in type cement jobs
5. High restoring force

Features of API hinged welded pipe bow casing centralizers
>>the longer bow profile allows centralizers to be pulled into restrictions and into larger under reamed open hole. 
>>with heat treated in special furnace, peculiar 'bow spring' action. 
>> the end collars have hinges which makes it in two halves. 
>>a special locking mechanism. 

Parameter of hinged welded pipe bow casing centralizers

Model (in)	Hooping in-dia. (mm)	Hooping thickness(mm)	Total length (mm)	Max. Out-di (mm)	Amount of spring
5-1/2" X 8-1/2"	142-148	3-5	650±50	225±5	5
7" X 9-5/8"	181-186	3-5	650±50	255±5	6
7" X 8-1/2"	181-186	3-5	650±50	235±5	6
8-5/8 X 12-1/4"	223-228	3-5	650±50	330±5	8
9-5/8 X 12-1/4"	250-255	3-5	650±50	330±5	8
10-3/4 X 12-1/4"	274-276	3-5	650±50	330±5	9
13-3/8"X17-1/2"	342-347	3-5	650±50	450±5	11
18-5/8"X24"	475-477	3-5	600±50	610±5	12
20"X26"	509-511	3-5	600±50	660±5	12

We have rigid centralizer, such as the roller centralizer, aluminum centralizer, composite centralizer! 

Your enquiry is welcomed!