Spiral Blade Casing Rigid Centralizer From Manufacturer

• Size Range：4 1,2- 20"
• Machine Type：Drilling Tool
• Use：Well Drilling
• Process Type：Forging
• Material：Carbon Steel
• Warranty：12 Months

=== Base Info ===

• Model NO.：ZS-GH-RC04
• Factory Visit：Yes
• Technical Support：Yes
• Sample Test：Yes
• Certificate：API & ISO
• Transport Package：Cartons and Wood Case Packaging
• Specification：API
• Trademark：ZS
• Origin：Henan, China
• Production Capacity：10000PC,Month

=== Description ===

Basic Info.

Model NO. ZS-GH-RC04 Factory Visit Yes Technical Support Yes Sample Test Yes Certificate API & ISO Transport Package Cartons and Wood Case Packaging Specification API Trademark ZS Origin Henan, China Production Capacity 10000PC/Month

Product Description

Spiral Blade Casing Rigid Centralizer

1. Description:
These Centralizers are designed for High Restoring Force and Low Starting Force for centralizing the casing pipe in a Vertical, Horizontal and Deviated well.
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.

2. Characteristics:
A) Designed for High Restoring Force and Low Starting & Running Force
B) End collars are designed with self-locking action, which are easy to assemble.
C) Undergo special coating process to prevent from rust
D) Can be shipped in half assembled condition for economy in shipping and storage costs.
E) Specification: 4"---20". Any special sizes or combination can available on request.

3. Technical Parameters: 

Model	Style	Max OD, mm	ID, mm	Length, mm
ZSGF-4 1/2"*6"	I, II, III	145	116.5	200
ZSGF-5"*6"	I, II, III	145	129	200
ZSGF-5 1/2"*8 1/2"	I, II, III	205-210	142	200/300
ZSGF-6 5/8"*8 1/2"	I, II, III	205-210	171	200/300
ZSGF-7"*8 1/2"	I, II, III	205-210	181	200/300
ZSGF-7"*9 1/2"	I, II, III	225-235	181	200/300
ZSGF-7"*9 5/8"	I, II, III	225-235	181	200/300
ZSGF-9 5/8"*12 1/4"	I, II, III	300-305	248	200
ZSGF-13 3/8"*17 1/2"	I, II, III	430-435	346	200

Note: ZSGF series rigid casing centralizer is divided into straight strip type (Type I), spiral type (Type II) and roller type (Type III).