Technical Specifications

DUCTLESS
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* R - Value calculation using a K-Factor of 0.25 BTU-in/hr-ft (2)-F @ 75°F, 24°C mean temp.
LINE SETS
LINE SET PRODUCTS
Temper
060 (Soft Anneal) - Annealed to customer specifications
Lengths
Available from 10’-60‘ using 5’ intervals/other lengths available upon request
Uses
Split system air conditioning, chilled water systems, and warm water systems
Specifications
Currently there is no ASTM specification for insulated copper tube
End Finishing
90° bends, plain end or brass forged flare nuts (specialty line sets/duct-less)
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COPPER TUBE
Materials: The designation is alloy UNS 12200 and referred to as DHP. The DHP stands for a phosphorus
deoxidized copper with a high residual phosphorus range of .015% to .040 %. The copper content is 99.9%
copper. The tubing is fully annealed to the soft temper designation of 060.
Standard Line Set
Suction Line: 5/8" - 1-1/8"
Liquid line: 1/4" - 1/2"
Specialty Line Set (Duct-less)
Suction Line: 3/8" - 1-1/8"
Liquid Line: 1/4" - 1/2"
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REFRIGERANT
Specialty
R 22
R 404-A
R 502
R 134-A
R 410-A
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INSULATION R VALUES
3/8” wall – R-2.5
1/2” wall – R-3.3
3/4” wall – R-5.2
1” wall – R-7.4
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INSULATION
Standard Line Set
Suction Line - 1/4” - 1”
Liquid line - not insulated
Specialty Line Set(Duct-less)
Suction Line - 1/4” - 3/4”
Liquid Line - 1/4” - 3/4”
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Cell Structure
Closed Cell
Test Method…
Density
4/6 lbs/ft
ASTM D1667
Thermal Conductivity - 75°
Test Method - ASTM C177 0.257
NA
Service Temp
-40° F to 220°
NA
UV Weather Resistance
Excellent
ASTM G23
Ozone Resistance
No cracking
ASTM D1171
Water Vapor Permeability
0.10PERM-IN (0.15x 10-12)
ASTM C355
Water Absorption
0.2
ASTM C109
Flammability
25/50
ASTM E84
Smoke Density
Self extinguishing
ASTM D635
Flexibility
Excellent
NA
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Twin Tube
insulation
for ductless
(mini split)
line sets!
JMF announces the
introduction of "Twin Tube"
insulation for ductless
(mini split) line sets!
Twin Tube insulation will
be offered in four sizes
and will be available in
1/2" wall insulation.