Single Bow Spring Welded Centralizer Flexible Centralizer for Drill Pipe

• Certification: API
• Surface Treatment: Spray-Paint
• Centralizer Type: Elastic
• Material: Cast Steel
• Type: Centralizer
• Centralizers Type: Spring Centralizer
• Model NO.: ZS190428-3
• APP: Well Drilling
• Size: 4-1/2" to 20"
• Sample: Avaliable
• OEM: Avaliable
• Transport Package: Wooden Case
• Trademark: ZS
• Origin: Henan
• Production Capacity: 50000 Piece/Pieces Per Month

Product Description

Welded Bow Spring Casing Centralizer

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 welded bow spring casing flexible centralizer for drill pipe use
>>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.

Centrlizers parameter:

Welded centralizer specification(mm)
5-1/2"*8-1/2"	Single bow	142-148		5-7	50-60			650±50	225±5		5
5-1/2"*8-1/2"	Double bow	142-148		5-7	50-60			650±50	225±5		5
5-1/2"*8-1/2"	Cyclone single bow	142-148		5-7	50-60			650±50	225±5		6
6"*8-1/2"	Double bow	154-118		5-7	50-60			650±50	225±5		5
13-3/8"*17-1/2"	Single bow	342-349		8	50-60			580	450±5		6
20"*26"	Single bow	510-518		8	50-60			650±50	670±5		10