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HDX / HDXT Series Casing Spacer

A non-corroding, non-metallic casing spacer for Pipe-in-Pipe (PIP) applications such as slip lining and cased crossings for all medium to heavy weight pipe materials.

HD Series Casing Spacer / Centralizer

A non-corroding, non-metallic heavy duty bow spring casing spacer/centralizer for horizontal pipe-in-pipe (PIP), open bore applications such as wastewater and sewer pipelines, slip lining and cased crossings and vertical applications such as production wells, gravel packed well screens, and pump torque arrestors.

GT Series Spacer / Centralizer

A non-metallic bow spring centralizer for Ground Engineering applications such as soil nails, rock bolts, anchors, sheathing, as well as small diameter drop pipe, down hole cameras, geophysical tools and other data collection devices.

155 Series Spacer / Centralizer

A non-metallic bow spring centralizer for applications such as gravel packed screens, water well casing, monitor wells, drop pipe, and pump installation plus Ground Engineering related applications such as piles, soil nails, anchors and sheathing installations.

kwik-ZIP – Centralizers and Casing Spacer Systems

The use of kwik-ZIP casing spacer and centralizer systems helps contractors to comply with the numerous regulations that require pipeline centralizers or casing spacers / slippers including Wastewater and Sewerage Codes and Water Well Construction Standards. kwik-ZIP maintains a focus on price effectiveness, simplicity and rapid on-site assembly, to ensure that our centralizer and casing spacer systems deliver significant cost, time and operational advantages to our end user customers.

Latest News


  • 2026 QLD Water Industry Operations Conference & Exhibition

    The countdown is on for the 2026 QLD Water Industry Operations Conference & Exhibition! The kwik-ZIP team will be exhibiting at Stand 031 and looks forward to connecting with water industry professionals from across Queensland and beyond. 📅 24–25 June 2026 📍 Gold Coast Sports & Leisure Centre, Gold Coast, QLD Visit us to learn…

  • kwik-ZIP to Exhibit at Ozwater’26 – Visit Us at Booth J04

    The countdown to Ozwater’26 is on, and the team at kwik-ZIP is excited to announce that we’ll be exhibiting at Booth J04 from 26–28 May 2026 at the Brisbane Convention & Exhibition Centre. As Australia’s premier water conference and exhibition, Ozwater brings together industry leaders, utilities, engineers, contractors, consultants, and innovators from across the water…

  • South Street Gravity Sewer

     Project: South Street Gravity Sewer Carrier Size: DN600 SewerMax® carrier pipe with 682mm OD   Casing Size: DN800 Mild Steel with 794mm ID   Run Length:     64m Spacer Model: HDXT 43 Kwik-ZIP® HDXT 43 spacers were installed to facilitate the slip-lining of a crossing as part of the South Street Gravity Sewer Project. …

kwik-Zip Video Showcase

USC Treated Water Main Jonishan HDXT 103 on 914mm SINTAKOTE® Steel MSCL
USC Treated Water Main   Jonishan   HDXT 103 on 914mm SINTAKOTE® Steel MSCL
Kwikzip 155 Series on Tipsa Oroflex® rising Main installation
Forches Cross LTS Diversion in the UK using kwik-ZIP HDX 90
kwik-ZIP HD-30 spacers on DN300 Iplex Restrain™ PVC-U Sewer pipe.
Universal Underground (NZ) utilizing KwikZip casing spacers
Kwik-ZIP Product Animation
Kwik ZIP Te Maunga Outfall Pipeline Project 2021 NZ
kwik Zip's HD spacers make upgrading water mains easy
Inserting 300m of 125PE into a 330 AB gas main
kwik-ZIP HDX Series Casing Spacers
HDX 125 Spacers from Kwik-ZIP
HD on semi elliptical FRP pipe for sewer replacement Los Angeles
HD 50 spacers on DN560 HDPE 560mm OD into a DN700 Mild Steel Pipe
Water Corp Coalfields Highway Crossing HDX 3
Water Corp Coalfields Highway Crossing HDX 2
Water Corp Coalfields Highway Crossing HDX 1
HD 30 in open bore on PVC for Gravity Sewer in Victoria L&D Microtunnelling Movie 2
HD 30 in open bore on PVC for Gravity Sewer in Victoria L&D Microtunnelling Movie 1
Downer Flemington HDX on Spiral Weld Sintakote
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kwik-ZIP products are protected by various Australian, US and Foreign Patents. Quality Assured to ISO 9001