For Use With For Use With |
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Mounting Orientation Mounting Orientation |
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Expansion Tank Type Expansion Tank Type |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Diaphragm Material Diaphragm Material |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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ASME-Code Expansion Tanks for Water
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Manufactured in accordance with ASME BPVC.VIII.1, these tanks accommodate the expansion of heated water and provide a cushion of compressed air in closed water-heating systems. They prevent water loss by eliminating the need to expel hot water from systems during each heating cycle.
For technical drawings and 3-D models, click on a part number.
Tank End Connection Pipe Size | Tank Side Connection Pipe Size | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Capacity, gal. | Dia. | Overall Lg. | Lg. (A) | Lg. (B) | Lg. (C) | (E1) | (E2) | (S1) | (S2) | Pipe Connection Thread Type | Pipe Connection Gender | Wall Gauge, ga. | Max. Temp., °F | Max. Pressure, psi | Expansion Tank Type | Each | |
Gray-Painted Steel | |||||||||||||||||
| 15 | 12" | 34 1/8" | 7" | 19" | 8" | 1/2 | 1/2 | 1 | 1 | NPT | Female | 13 | 450° | 150 | Bladderless | 00000000 | 0000000 |
| 30 | 14" | 49 3/8" | 8 3/8" | 31 1/4" | 10" | 1/2 | 1/2 | 1 1/2 | 1 1/2 | NPT | Female | 12 | 450° | 150 | Bladderless | 00000000 | 000000 |
| 40 | 14" | 64 3/8" | 8 3/8" | 46 1/4" | 10" | 1/2 | 1/2 | 1 1/2 | 1 1/2 | NPT | Female | 12 | 450° | 150 | Bladderless | 00000000 | 000000 |
| 80 | 20" | 64 5/16" | 10" | 42" | 16" | 1/2 | 1/2 | 2 | 2 | NPT | Female | 11 | 450° | 150 | Bladderless | 00000000 | 000000 |
Expansion Tanks for Water
Use these tanks to accommodate the expansion of heated water and provide a cushion of compressed air in closed water-heating systems. They prevent water loss by eliminating the need to expel hot water from systems during each heating cycle.
Galvanized steel tanks are hot-dipped for maximum corrosion resistance.
For technical drawings and 3-D models, click on a part number.
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Tank Side Connection Pipe Size | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Capacity, gal. | Dia. | Overall Lg. | Lg. (A) | Lg. (B) | Tank End Connection Pipe Size (E1) | (S1) | (S2) | Pipe Connection Thread Type | Pipe Connection Gender | Wall Gauge, ga. | Max. Temp., °F | Max. Pressure, psi | Expansion Tank Type | Each | |
| 8 | 9" | 32" | 5" | 11" | 3/4 | 1/2 | 1/2 | NPT | Female | 14 | 450° | 75 | Bladderless | 000000 | 0000000 |
| 15 | 12" | 30" | 4" | 11" | __ | 1/2 | 1/2 | NPT | Female | 14 | 450° | 75 | Bladderless | 000000 | 000000 |
| 18 | 12" | 36" | 4" | 14" | __ | 1/2 | 1/2 | NPT | Female | 14 | 450° | 75 | Bladderless | 000000 | 000000 |
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Tank End Connection Pipe Size | Tank Side Connection Pipe Size | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Capacity, gal. | Dia. | Overall Lg. | Lg. (A) | Lg. (B) | Lg. (C) | (E1) | (E2) | (E3) | (S1) | (S2) | (S3) | Pipe Connection Thread Type | Pipe Connection Gender | Wall Gauge, ga. | Max. Temp., °F | Max. Pressure, psi | Expansion Tank Type | Each | |
| 8 | 12" | 19" | 4" | 4" | 8 13/16" | 1/2 | 1/2 | 2 | 1 1/4 | 1/2 | 1/2 | NPT | Female | 14 | 450° | 75 | Bladderless | 0000000 | 0000000 |
| 15 | 12" | 33" | 4" | 11" | 8 13/16" | 1/2 | 1/2 | 2 | 1 1/4 | 1/2 | 1/2 | NPT | Female | 14 | 450° | 75 | Bladderless | 0000000 | 000000 |
| 40 | 14" | 63" | 4" | 26" | 8 13/16" | 1/2 | 1/2 | 2 | 1 1/4 | 1/2 | 1/2 | NPT | Female | 14 | 450° | 75 | Bladderless | 0000000 | 000000 |
Expansion Tanks for Drinking Water
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These tanks meet NSF/ANSI Standard 61 for use with drinking (potable) water. Use them to accommodate the expansion of heated water and provide a cushion of compressed air in closed water-heating systems. All of these tanks have a diaphragm, which completely separates air and water. They prevent water loss by eliminating the need to expel hot water from systems during each heating cycle.
For technical drawings and 3-D models, click on a part number.
Tank End (E1) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Capacity, gal. | Dia. | Overall Lg. | Connection Pipe Size | Pipe Connection Thread Type | Pipe Connection Gender | Wall Gauge, ga. | Max. Temp., °F | Max. Pressure, psi | Diaphragm Material | Specifications Met | Each | |
Beige-Painted Steel | ||||||||||||
| 2.1 | 8" | 11" | 3/4 | NPT | Male | 16 | 200° | 150 | Butyl Rubber | NSF/ANSI 61 | 000000 | 000000 |
| 4.5 | 10 1/2" | 13 1/2" | 3/4 | NPT | Male | 16 | 200° | 150 | Butyl Rubber | NSF/ANSI 61 | 000000 | 000000 |
| 8.5 | 12 1/2" | 19 3/16" | 3/4 | NPT | Male | 16 | 200° | 150 | Butyl Rubber | NSF/ANSI 61 | 000000 | 000000 |
Expansion Tanks for Lubricants
A rolling rubber diaphragm maintains tank pressure at or near 0 psi, which extends seal life to help keep lubricants clean. Use these tanks to accommodate the expansion of heated lubricants and provide a cushion of compressed air in closed lubricant-heating systems. They prevent lubricant loss by eliminating the need to expel hot lubricant from systems during each heating cycle.
For technical drawings and 3-D models, click on a part number.
Tank End | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Capacity, cu. in. | Connection Pipe Size | Pipe Connection Thread Type | Pipe Connection Gender | Stem Lg. | Dia. | Overall Lg. | Wall Gauge, ga. | Max. Temp., °F | Max. Pressure, psi | Diaphragm Material | Each | |
304 Stainless Steel | ||||||||||||
| 25 | 1/2 | NPT | Male | 1" | 4 1/16" | 3 3/4" | 20 | 350° | 15 | Fluoroelastomer Rubber | 0000000 | 0000000 |
| 25 | 3/4 | NPT | Male | 1 1/4" | 4 1/16" | 3 3/4" | 20 | 350° | 15 | Fluoroelastomer Rubber | 0000000 | 000000 |
| 25 | 3/8 | NPT | Male | 7/8" | 4 1/16" | 3 3/4" | 20 | 350° | 15 | Fluoroelastomer Rubber | 0000000 | 000000 |
Pressure-Rated Water Tanks
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These tanks can be used as water heaters when used with a heat source, such as an immersion heater. Also known as boiler tanks, they are designed to handle water pressure changes. Use them with hot or cold water. All are galvanized inside and outside for corrosion resistance.
For technical drawings and 3-D models, click on a part number.
Tank End Connection Pipe Size | Tank Side Connection Pipe Size | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Capacity, gal. | Dia. | Overall Lg. | Lg. (A) | Lg. (B) | Lg. (C) | Lg. (D) | (E1) | (E2) | (S1) | (S2) | (S3) | (S4) | (S5) | Pipe Connection Thread Type | Pipe Connection Gender | Wall Gauge, ga. | Max. Temp., °F | Max. Pressure, psi | Each | |
Galvanized Steel | ||||||||||||||||||||
| 15 | 12" | 30" | 18" | 6" | 8" | 6" | 1 | 1 | 1 | 1 | 1 | 1 1/4 | 1/2 | NPT | Female | 14 | 450° | 75 | 0000000 | 0000000 |
| 30 | 12" | 60" | 18" | 6" | 8" | 6" | 1 | 1 | 1 | 1 | 1 | 1 1/4 | 1/2 | NPT | Female | 14 | 450° | 75 | 0000000 | 000000 |
| 40 | 14" | 60" | 18" | 6" | 8" | 6" | 1 | 1 | 1 | 1 | 1 | 1 1/4 | 1/2 | NPT | Female | 14 | 450° | 75 | 0000000 | 000000 |
| 82 | 20" | 60" | 18" | 6" | 8" | 6" | 1 | 1 | 1 | 1 | 1 | 1 1/4 | 1/2 | NPT | Female | 14 | 450° | 75 | 0000000 | 000000 |