Header Image

Redesigh website

kwik-ZIP® Inert Centralizer and Spacer System

For the Drilling and Civil Construction Industries
kwik-ZIP closeup
kwik-ZIP products

Features


Revolutionary kwik-ZIP® Inert Centralizer and Spacer System
  • Ideal for use with all types of casing, pipe, and screening, including PVC, steel, fiberglass, and gravel-packed screen installations.
  • New GT Series - Ideal for small diameter drop pipe and Geo engineering applications, including rock bolts, soil nails, logging, sondes, etc.
  • Rapid on-site assembly with lightweight, kwik-ZIP® segments.
  • Fully adjustable Centralizer diameter -- just add more segments!
  • No pins, bolts, or welding.
  • Easy and economical to transport in stackable flat segments.
  • Corrosion resistant.
  • Will not damage casing.
  • Different Bow heights available for varied annulus sizes.
  • Suitable for formation temperatures up to 176° F (HT Series).
  • Satisfies Major Industry Standards such as:
    • NGWA (USA) Manual of Water Well Construction Standards, 2nd Edition
    • ANSI/AWWA a100-97: Water Wells
    • ASTM D 5092: Ground Water Monitor Well Design
    • Australian Minimum Bore Construction Requirements (including requirements for Inert Centralizers)

Kwik-ZIP GT Serieskwik-ZIP® GT Series
The range of kwik-ZIP® GT Series is available in 3 different bow heights:
  • GT 20-1 0.79" Bow Height
  • GT 30-1 1.18" Bow Height
  • GT 40-1 1.57" Bow Height
All of these products will fit bar and pipe diameters ranging from 0.70" OD to 2.55" OD and are therefore ideally suited for:
  • Rock bolts
  • Soil nails
  • Small diameter drop pipe
  • Down hole cameras and geophysical tools
No special tools are required to install these products that are manufactured from a high-grade engineering plastic called Acetal POM.

NOTE: GT Series cartons contain 100 units.

0.70" to 2.56" diameter
GT Series (includes GT 20-1, GT 30-1, GT 40-1)
Applications: Small diameter rock bolts, soil nails, drop pipe, etc., from 0.70" to 2.56" diameter
OD of Bar, Pipe, or Screen, etc.Units Required per Centralizer
0.70" to 1.14"2
1.14" to 1.81"3
1.81" to 2.56"4
Over 2.56"Use 155 HT Series
GT Series Centralizer

kwik-ZIP® Casing Centralizer Product Selection Criteria

A kwik-ZIP® centralizer model is available for all pipe, bar, or screen diameters above 0.70" OD. No Setting tool is required for the GT Series. Select the appropriate kwik-ZIP® Casing Centralizer Segment Model for your application from the following table:

Model and Bow Height (inches)Service Temperature (degree F)Recommended for Casing Diameter (nominal diameter range - inches)
GT 20-1    0.79"176° F0.70" to 2.56"
GT 30-1    1.18"176° F0.70" to 2.56"
GT 40-1    1.57"176° F0.70" to 2.56"

kwik-ZIP® 155 and 380 Series

kwik-ZIP 155 SeriesThe range of kwik-ZIP® 155 and 380 Series are available in 2 different bow heights:
  • 155 HT-D 1.18" Bow Height
  • 155 HT-E 2" Bow Height
  • 380 HT-D 1.18" Bow Height
  • 380 HT-E 2" Bow Height

The 155 Series will fit bar and pipe diameters ranging from 2.28" OD to 7.09" OD. The 380 Series will fit pipe 6.3" OD and greater. Both of these products are ideally suited for:
  • Gravel-packed screens
  • Casing
  • Drop pipe
  • Pump installation

Click here for 155 and 380 series selection and installation guide

A special setting tool is required to install these products that are manufactured from a high-grade engineering plastic called Acetal POM.

kwik-ZIP 155 Series
kwik-ZIP 380 Series

NOTE: 155 Series cartons contain 30 units and 380 Series cartons contain 50 units.

2.28" to 7.09" diameter
155 HT Series (includes 155 HT-D, 155 HT-E)
Applications: Grouted casing, gravel-packed screen, drop pipe, anchors, etc., with diameters greater than 2.28"
OD of Bar, Pipe, or Screen, etc.Units Required per Centralizer
2.28" to 3.54"2
3.54" to 5.12"3
5.12" to 7.09"4
Over 7.09"Use 380 HT Series
kwik-ZIP in use

kwik-ZIP® Casing Centralizer Product Selection Criteria

A kwik-ZIP® centralizer model is available for all pipe, bar, or screen diameters above 0.70" OD. A setting Tool is available for the 155 and 380 Series models to assist with correct installation. Select the appropriate kwik-ZIP® Casing Centralizer Segment Model for your application from the following table:

Model and Bow Height (inches)Service Temperature (degree F)Recommended for Casing Diameter (nominal diameter range - inches)
155 HT-D   1.18"176° F2.28" to 7.09"
155 HT-E   2"176° F2.28" to 7.09"

Red Line

6.30" and greater diameter
380 HT Series (includes 380 HT-D, 380 HT-E)
Applications: Grouted casing, gravel-packed screen, drop pipe, cased crossings, etc., with diameters greater than 6.30"
OD of Bar, Pipe, or Screen, etc.Units Required per Centralizer
6.30" to 9.05"2
9.45" to 13.39"3
13.39" to 18.11"4
18.11" to 22.83"5
22.83" to 27.56"6
27.56" to 31.50"7
Over 31.50"Refer to Installation Guide
380 HT Series Centralizer
380 HT Series Centralizer

kwik-ZIP® Casing Centralizer Product Selection Criteria

A kwik-ZIP® centralizer model is available for all pipe, bar, or screen diameters above 0.70" OD. A setting Tool is available for the 155 and 380 Series models to assist with correct installation. Select the appropriate kwik-ZIP® Casing Centralizer Segment Model for your application from the table:

Model and Bow Height (inches)Service Temperature (degree F)Recommended for Casing Diameterb(nominal diameter range - inches)
380 HT-D   1.18"176° F6.30" and larger
380 HT-E  2"176° F6.30" and larger

Red Line
Casing Centralizer


kwik-Zip HD Series

kwik-ZIP® HD Series

The range of kwik-ZIP® HD (Heavy Duty) Series is available in 4 different bow heights:
  • HD 30 - 1.18" Bow Height
  • HD 50 - 2" Bow Height
  • HD 75 - 3" Bow Height
  • HD 100 - 4" Bow Height
All of these products will fit casing and pipe diameters ranging from 4.3" OD and greater and are therefore ideally suited for:
  • Horizontal and vertical applications
  • Double containment PIP applications and underground crossings
  • Gravel-packed screens
  • Torque arrester
  • Casing, screen, and pump riser installations
  • Made with heavy duty engineering thermoplastics and rated to 176° F, with no metal parts
  • Special Bow Spring design allows use on heavy weight pipe
  • Curved bow profile and low friction coefficient allow for easy insertion of casing into the borehole
  • The segmented design fits all pipe diameters from 4" DN and above, with additional segments added as diameter increases
  • Rapid onsite assembly
  • Segment design and packaging allow for low inventory and transport costs
  • Integrated rubber grip pads prevent movement on the pipe
  • Suitable for all pipe materials, including PVC, Poly, Stainless Steel, Fiberglass and GRP, etc
  • Only a standard screwdriver is required for installation, with no tapes or adhesives necessary

Click here for HD series selection and installation guide


kwik-ZIP HD Series
kwik-ZIP HD Series

NOTE: HD Series cartons contain 30 units.