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Used to Prevent End-effect on End-connected Anodes
Description
Farwest Anode Caps seal and protect the critical connection between the lead wire and anode. The tight fitting, heat-shrinkable anode cap provides stress relief, moisture proofs and electrically insulates the end of the anode at the lead wire exit point. It is the ideal solution to the problem of premature system failure due to loss of the wire due to anode termination.
A unique, highly stabilized polyolefin material is used to mold the cap. During the manufacturing process, each cap is expanded to provide plenty of clearance for easy installation over the lead wire and the anode. A rubber based sealant, designed to adhere to anode materials and wire insulation, is uniformly coated on the inside of the cap.
During installation, a propane torch is used to heat the cap. As the temperature rises above 250°F, the sealant softens and the cap shrinks tightly to conform to the anode and lead wire. When cooled, the cap and sealant provide a durable and water tight encapsulation that will retain its flexibility and integrity over a wide range of temperatures.
Anode Caps are designed for anodes from 1" to 4" diameter. For high reliability in buried underwater cathodic protection systems, specify Farwest Anode Caps.
Typical Properties
A. Backing Property
Test Method
Typical Data
Tensile Strength
ASTM D-638
1200 psi
Ultimate Elongation
ASTM D-638
300%
Water Absorption
ASTM D-570
.1%
Volume Resistivity
ASTM-D-257
1x10 14th
B. Adhesive Property
Viscosity @ 160oC
ASTM D-4402
340 poise
Ring & Ball Softening Point
ASTM D-36
90oC
Lap Shear
ASTM D-1002
35 psi
Dimensions & Ordering Data
Part No.
Anode Dia.
Std. Package
"J" Dimensions
"H" Dimensions
Lengths
Wall Thickness
Exp
Rec
Exp
Rec
S
R
P
Cap 2
2"
30
.270"
.480"
2.50"
1.75"
3.0"
3.0"
6.0"
.090"
Cap 3
3"
20
.270"
.480"
3.25"
2.40"
3.0"
4.0"
7.0"
.090"
Cap 4
4"
10
.270"
.480"
4.25"
4.00"
3.0"
4.0"
7.0"
.090"
Description
Farwest Anode Caps seal and protect the critical connection between the lead wire and anode. The tight fitting, heat-shrinkable anode cap provides stress relief, moisture proofs and electrically insulates the end of the anode at the lead wire exit point. It is the ideal solution to the problem of premature system failure due to loss of the wire due to anode termination.
A unique, highly stabilized polyolefin material is used to mold the cap. During the manufacturing process, each cap is expanded to provide plenty of clearance for easy installation over the lead wire and the anode. A rubber based sealant, designed to adhere to anode materials and wire insulation, is uniformly coated on the inside of the cap.
During installation, a propane torch is used to heat the cap. As the temperature rises above 250°F, the sealant softens and the cap shrinks tightly to conform to the anode and lead wire. When cooled, the cap and sealant provide a durable and water tight encapsulation that will retain its flexibility and integrity over a wide range of temperatures.
Anode Caps are designed for anodes from 1" to 4" diameter. For high reliability in buried underwater cathodic protection systems, specify Farwest Anode Caps.
Typical Properties
A. Backing Property
Test Method
Typical Data
Tensile Strength
ASTM D-638
1200 psi
Ultimate Elongation
ASTM D-638
300%
Water Absorption
ASTM D-570
.1%
Volume Resistivity
ASTM-D-257
1x10 14th
B. Adhesive Property
Viscosity @ 160oC
ASTM D-4402
340 poise
Ring & Ball Softening Point
ASTM D-36
90oC
Lap Shear
ASTM D-1002
35 psi
Dimensions & Ordering Data
Part No.
Anode Dia.
Std. Package
"J" Dimensions
"H" Dimensions
Lengths
Wall Thickness
Exp
Rec
Exp
Rec
S
R
P
Cap 2
2"
30
.270"
.480"
2.50"
1.75"
3.0"
3.0"
6.0"
.090"
Cap 3
3"
20
.270"
.480"
3.25"
2.40"
3.0"
4.0"
7.0"
.090"
Cap 4
4"
10
.270"
.480"
4.25"
4.00"
3.0"
4.0"
7.0"
.090"
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