HDPE Pipeline Casing Spacers – Custom Size Series

Description

HDPE Pipeline Casing Spacers for Pipe Crossings

IKSONIC HDPE pipeline casing spacers provide a polymer support interface between a carrier pipe and its surrounding casing. The black, ribbed sections assemble around the pipe to support insertion and maintain separation from the casing. They are used in suitable oil, natural-gas, chemical and water-pipeline crossing assemblies, including routes beneath roads, railways and other obstacles.

The high-density polyethylene construction is intended to provide sliding support and electrical separation between the carrier pipe and casing. Correctly selected spacers help keep the carrier-pipe coating away from the casing during insertion. The spacer is a support component, not a pressure seal, and its selection must match the pipe geometry and project loading.

Product Specifications

Item	Specification
Material	High-density polyethylene (HDPE)
Color	Black
Form	Curved, ribbed support sections assembled around a carrier pipe
Primary functions	Sliding support and separation of the carrier pipe from its casing
Selection dimensions	Carrier-pipe outside diameter and casing inside diameter
Standard selection range	23 numeric size designations, listed below
Other sizes	Custom-size inquiry option
Project information required	Pipe and casing dimensions, coating thickness, wall thickness, service medium, support loading and crossing length

Size Designations

The following designations preserve the available selection options. They are not a complete dimensional drawing: the option labels do not state a unit or dimensional tolerance. Confirm the finished spacer dimensions and installed clearances against the carrier-pipe outside diameter and casing inside diameter.

Size designation	Size designation
33	48
60	76
89	108
114	159
219	273
325	355
377	406
426	457
508	610
660	711
813	914
1016	Custom size

Support Layout and Installation

General installation guidance gives a typical support spacing of 1.0–2.0 m, with spacing determined by the steel-pipe wall thickness and transported medium. It also describes two support sets installed side by side near a carrier-pipe end, approximately 1 m inside the casing, with the intervening supports distributed according to the project design. These reference arrangements are not a substitute for the project’s load and deflection assessment.

• Measure the actual carrier-pipe outside diameter, including its protective coating, and the minimum casing inside diameter.
• Check the required radial clearance, support height and assembled spacer profile before selecting a size.
• Establish support spacing and the number of support sets from the pipe weight, contents, crossing geometry and insertion conditions.
• Inspect the assembled sections and fastening points before insertion; avoid sharp contact that could damage the coating.
• Use the approved installation method for the specific project. Fastener torque and allowable insertion load must be confirmed for the selected assembly.

Application Limits

No numerical load capacity, dielectric rating, temperature range, dimensional tolerance or chemical-resistance test result is specified for this range. Do not infer these values from the material name or photographs. Where electrical isolation, chemical exposure or a particular load limit is critical, request the relevant grade and performance information for the selected configuration.

Frequently Asked Questions

Can a size designation alone establish fit?
No. The carrier-pipe outside diameter, casing inside diameter, coating thickness and required support height must be considered together.

Does the 1.0–2.0 m reference apply to every installation?
No. It is general spacing guidance. The final layout depends on the pipe wall thickness, conveyed medium, loading and project design.

Are custom sizes available?
A custom-size inquiry option is available. Send the dimensional requirements and required quantity to IKSONIC for configuration confirmation.

Ordering and Delivery

Specify the size designation or drawing dimensions, quantity, carrier-pipe and casing details, and operating requirements. IKSONIC provides worldwide shipping. Typical express transit is approximately 3–7 days after dispatch, depending on destination and customs; production and order-preparation time are separate.

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