Slab Mag Anode

Applications for the use of magnesium anodes are not limited to structures buried in soil electrolytes. These anodes have also proven to be extremely effective in preventing corrosion in aqueous environments. MESA manufactures a full line of condenser anodes produced from the H-1Alloy. The anodes produce an open circuit potential of 1.53 - 1.55 volts, and are cast into various shapes. These anodes are cast with a galvanized steel pipe core for mounting on steel studs.

Typical Applications

Condensers, Heat Exchangers, Internal tank surfaces.

Installation

· Weld stainless steel stud to structure, either on horizontal or vertical surface, with unthreaded side to structure.

· Spread gasket compound uniformly over one side of the rubber gasket and place gasket over stud with gasket compound side against structure. Gasket compound will help in holding rubber gasket in place during anode installation.

· Slip rubber tubing over stud, pushing down until tubing contacts rubber gasket. (Only required when utilizing resistor washer.)

· Slip anode over stud, making sure exposed pipe core is "up" or away from structure. Hold anode in place with hand.

· Place resistance washer over stud (either side up). Note: Color of insulator designates resistance value washer. Black=1 ohm, white=1/2 ohm, red=1/4 ohm. (Only required when utilizing resistor washer.)

· Place steel flat washer over stud, followed the 1/2" Flex-Loc Nut, and tighten as required.

· Place rubber washer and center as needed, followed by black internally threaded hex head nut protector until snug. This completes installation.

Composition

Al

Mn

Zn

Si

Cu

Ni

Fe

Other

Magnesium

5.3 - 6.7%

0.15% min

2.5 - 3.5%

0.30% max

.010% max

0.003% max

0.003% max

0.30% max

Remainder

Item Number

Weight

Diameter

Thickness

Pipe Core Size

E1

1 lb

4 in

1 1/4 in

1/2 in

2R5

2 lb

5 in

2 in

3/4 in

E2

2 lb

4 in

2 1/2 in

1/2 in

6SX3

6 lb

3" x 4" x 8"

 

3/4 in

7.5S

7.5 lb

8" x 8"x 2"

 

3/4 in

15S

15 lb

8" x 8" x 4"

 

3/4 in

Slab Mounting Kit:

Anodes are normally bolted to the structure by threaded studs. Mounting kits are available consisting of the following parts (1 of each)

  • 3 3/4" x 1/2" Stainless Steek Weld Stud

  • 1/2" Flex-Loc Nut

  • Plastic Stud Protector

  • Steel Washer

  • Rubber Washer for Stud Protector

  • 10" x 10" x 1/16" rubber gasket

  • Package of Gasket Compound

Additional parts for Resistor Mounting:

  • 1 Resistance Washer (specify 1/4, 1/2, or 1 ohm)

  • 2" long x 1/2" ID rubber tubing

Kit Contents:

  • 1/2" Flex-Loc Nut

  • 10" x 10" x 1/16" rubber gasket

  • 3 3/4" x 1/2" Stainless Steel Weld Stud

  • Package of Gasket Compound

  • Plastic Stud Protector

  • Rubber Washer for Stud Protector

  • Steel Washer

Product(s)

Item #Product NameQuoteSpecs
SMAG50000 2R5 Mag Anode, 5" dia w/3/4" pipe core PDF
SMAG50010 6SX3 Mag Anode, 8x3x4 w/3/4" pipe core PDF
SMAG50020 7.5S Mag Anode, 8x8x2 w/3/4" pipe core PDF
SMAG50030 15S Mag Anode 8x8x4 w/3/4" pipe core PDF
SMAG50080 Slab anode mounting kit PDF

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