kwik-ZIP Heavy Duty (HD) Series
The kwik-ZIP HD Series is a non-corroding, non-metallic heavy duty bow spring casing spacer for horizontal pipe-in-pipe (PIP), and open bore applications - such as wastewater and sewer pipelines, slip lining and cased crossings.
Suitable for light to medium weight carrier pipe materials, including steel, ductile, MSCL, GRE, PVC, and HDPE.
It’s unique features include a curved bow spring with superior centralising force.
The HD Series will fit diameters from 110mm OD (4.33”) to greater than 1600mm OD (63”) by addition of multiple segments.
For heavy carrier pipe materials, and diameters greater than 355mm (14”), in non-grouted, pressure installations - the kwikZIP® HDX Series or HDXT Series is recommended.
For vertical applications such as production wells, gravel packed well screens, pump torque arrestor, water well casing, coal seam methane casing, pump riser/submersible pump installation, and piling and is suitable for all pipe materials including PVC, Poly, Stainless Steel, Fibreglass and GRP.
Important
Check pre-assembled centraliser against bar/pipe diameter before tightening collar straps.
HD Series has 30 units per carton. No special tools are required to install these products.
HD Models
Model | Bow Height | To fit pipe/bar diameter
HD 30 | 30mm | 110mm - 480mm
HD 50 | 50mm | 110mm - 480mm
HD 75 | 75mm | 110mm - 480mm
HD 100 | 100mm | 110mm - 480mm
HD Series Sizing Table
Approx Bar/Pipe Diameter (Outside Diameter) | Units Required Per Centraliser
110mm - 164mm (4.33" - 6.45") | 2
164mm - 250mm (6.45" - 9.84") | 3
250mm - 330mm (9.84" - 13.00") | 4
350mm - 400mm (13.00" - 15.75") | 5
400mm - 480mm (15.75" - 18.90") | 6
Over 480mm (18.90") | Refer to HD Installation Guide
For detailed information on kwik-ZIP HD Series application, construction & features, compliance, and model & sizing tables, download the PDF below
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