Copper Gard0 pages

43799fnl.QXD 7/18/08 5:07 PM Page 3

PERMA-PIPE®/RICWIL® COPPER-GARDTM — GUIDE SPECIFICATION
1.0 GENERAL
1.1

Underground piping system shall be
PERMA-PIPE®/RICWIL®
Copper-Gard and shall consist of integral sealed,
20-foot long units of copper tubing insulated
with rigid polyurethane foam, which is protected
with a PVC outer jacket and factory-applied
latex coating on the ends of the insulation.

tin-lead solders are not acceptable.
3.0 INSTALLATION AND TESTING
3.1

All pipes, fittings and o-ring couplings
shall be installed in accordance with the
manufacturer’s recommendations.

3.2

All solder joints shall be hydrostatically
tested prior to pouring thrust blocks.

3.3

Immediately after installation in the ditch,
a partial backfill shall be made in the middle
of each unit leaving the joints exposed for
inspection. After all thrust blocks are poured
and cured, a hydrostatic test of — psig (or
11/2 times operating pressure) shall be
required for a period of four hours.

2.0 MATERIALS
2.1

Basic Pipe Units

2.1.1 Pipe shall be Type”K” or “L” (ASTM B-88)
copper tubing.
2.1.2 Insulation shall be a rigid, 90 to 95 percent
closed-cell polyurethane with 2.0 pound per
cubic foot nominal density and thermal
conductivity (K) of .14 BTU IN. (HR.) (SQ. FT.)
(oF) at 73o F.
2.1.3 Jacket shall be a Type 1 Grade 1 Polyvinyl
Chloride (PVC) with a minimum wall thickness
of .060 inches.
2.2

3.4

After hydrostatic testing, complete backfilling.
Backfill material and compaction shall be in
accordance with the manufacturer’s
recommendations. Do not use tracked or
wheeled vehicles for tamping.

Preinsulated Copper Pipe
with O-Ring Coupling for Condensate
Chilled and Hot Water

Joints

2.2.1 Coupling shall be machine-grooved for o-ring
seals. Coupling shall be insulated, jacketed
and sealed.
2.2.2 All fittings shall be ASA B16.22 wrought copper
fittings. Solder joints shall be made with silver
brazing alloys melting at above 1100oF. 50-50

PERMA-PIPE® factory-insulated piping systems — leading the
industry since 1910 — used for distribution of hot and cold
water, steam, condensate, oil and other viscous materials.
PERMA-PIPE representatives are located in all major United
States and Canadian cities.
PERMA-PIPE will provide design service and assistance
to engineers, owners and contractors. Field instruction for
installation personnel will be provided to teach proper
handling and to show assembly techniques to supervisory
personnel that should be practiced during installation.
PERMA-PIPE warrants its products to be free from defects in
material and workmanship. Claims for shortages or apparent
defects must be made within 30 days after delivery or before
installation, whichever occurs first. With respect to latent
defects, PERMA-PIPE will replace or repair any materials
which prove defective withing a period of one year after
shipment provided the materials have been properly
installed, operated and have not been damaged by neglect or
abuse. PERMA-PIPE shall not be liable for consequential
damages. Liability is expressly limited to the replacement or
repair of materials. The PERMA-PIPE warranty is exclusive
and in lieu of all others. The full terms and conditions of the
PERMA-PIPE warranty are set forth on each PERMA-PIPE proposal.
PRICES WILL BE SUPPLIED UPON REQUEST.
TECHNICAL DETAILS AND PRICES ARE SUBJECT TO
CHANGE WITHOUT NOTICE.

PERMA-PIPE, Inc.
A Subsidiary of MFRI, INC.
7720 North Lehigh Avenue
Niles, Illinois 60714-3491
Phone (847)966-2235
Fax
(847)470-1204
http://www.permapipe.com

©2008 PERMA-PIPE, Inc., All Rights Reserved (07/08 5M FGS)

PERMA-PIPE /RICWIL
®

®