Walker Stainless 20,000 Gallon Jacketed Stainless Steel Storage Tanks SA240/T316L R-717 Lot of 4 1997

OVERVIEW
 
Walker Stainless Equipment Co. 20,000 Gallon Jacketed Vertical Stainless Steel Storage Tanks — Serial Numbers VSHT-6445R through VSHT-6448R, Job Numbers 12103–12106, Date February 1997. Four matching SA240/T316L stainless steel vertical storage tanks with ammonia (R-717) refrigerant jackets, manufactured by Walker Stainless Equipment Company, Inc. (a Carlisle Company) in Elroy, Wisconsin, USA. Each tank features 20,000 gallon capacity, 96 sq ft jacket area, 150 PSIG design pressure, 255 PSIG test pressure, and jacket MAWP of 150 PSIG at 300°F with minimum design metal temperature of -20°F at 150 PSI. Approximately 27 feet tall by 12 feet radius. Total combined capacity of 80,000 gallons.

Each tank is equipped with a 10 HP agitator motor (washdown or inverter duty, 3-phase, Frame 215TC, TEFC enclosure) for product mixing. All four tanks are matching units manufactured in the same job batch with consecutive serial numbers, confirming they were designed and built as a complete matched set. Heavy-duty SA240/T316L stainless steel construction ideal for dairy processing, food and beverage production, pharmaceutical manufacturing, chemical storage, or any application requiring large-capacity jacketed stainless steel storage with R-717 ammonia refrigerant cooling capability.

Note: These tanks contain or have contained ammonia (R-717) refrigerant in the jacket system. Buyer is responsible for proper ammonia handling, evacuation, and compliance with all applicable federal, state, and local regulations regarding ammonia refrigerant systems.

EQUIPMENT SPECIFICATIONS
 
Tank Model Information:

Manufacturer: Walker Stainless Equipment Co., Elroy, Wisconsin, USA
Parent Company: A Carlisle Company
Date: February 1997
Quantity: 4 matching tanks (sold as lot)
Construction: ASME certified vertical jacketed storage tanks
Certification: Walker Stainless Equipment Company, Inc.

 
Individual Tank Identification:

Tank 1 — Serial: VSHT-6445R / Job No. 12103
Tank 2 — Serial: VSHT-6446R / Job No. 12104
Tank 3 — Serial: VSHT-6447R / Job No. 12105
Tank 4 — Serial: VSHT-6448R / Job No. 12106

 
Performance & Capacity:

Capacity (each): 20,000 gallons
Total Combined Capacity (4 tanks): 80,000 gallons
Approximate Dimensions: 27 ft tall × 12 ft radius
Jacket Area (each): 96 sq ft
Jacket Capacity: 1.375 cu ft

 
Pressure Specifications:

Design Pressure: 150 PSIG
Test Pressure: 255 PSIG
Jacket MAWP: 150 PSIG at 300°F
Jacket MDMT: -20°F at 150 PSI

 
Refrigerant & Jacket:

Refrigerant: R-717 (Ammonia)
Jacket Type: Refrigerant jacket
Jacket Area: 96 sq ft per tank

 
Construction Materials:

Material: SA240/T316L Stainless Steel
Drawing: 9754 REV A
Construction: Welded stainless steel vertical tank

 
Agitator Motors (one per tank, 10 HP each):

Tank 1: Baldor-Reliance Super-E Washdown Duty — 10 HP, 208-230/460V, 3PH, 60Hz, 3500 RPM, Frame 215TC, TEFC, S/N F1501270240
Tank 2: Techtop Inverter Duty — 10 HP, 230/460V, 3PH, 60Hz, Frame 215TC, TEFC
Tank 3: Nidec/US Motors "The Slicker" Washdown Duty — 10 HP, 208-230/460V, 3PH, 60Hz, 3515 RPM, Frame 215TC, TEFC
Tank 4: Toshiba EQP Global 841 — 10 HP, 460V, 11.8A, 3PH, 60Hz, 3510 RPM, Frame 215TC, TEFC, S/N 15080183248

KEY FEATURES & BENEFITS
 
Walker Stainless Quality Manufacturing:

Walker Stainless Equipment Co. — premium USA stainless tank manufacturer
A Carlisle Company — industrial manufacturing pedigree
February 1997 manufacture date
SA240/T316L stainless steel construction
ASME-certified tank construction
Professional engineering and design
Elroy, Wisconsin USA manufacturing quality

 
Large Capacity — 20,000 Gallons Each:

20,000 gallon individual capacity
80,000 gallons total combined capacity
Approximately 27 feet tall by 12 feet radius
Vertical tank configuration
Large-scale industrial storage capacity
Continuous-duty rated construction
Heavy commercial/industrial grade

 
SA240/T316L Stainless Steel Construction:

SA240/T316L grade stainless steel
Superior corrosion resistance
Food-grade and pharmaceutical-grade material
Cleanable stainless interior surfaces
Long-term structural integrity
Sanitary construction suitable for regulated industries
Professional welded stainless fabrication

 
R-717 Ammonia Refrigerant Jacket System:

96 sq ft jacket area per tank
R-717 ammonia refrigerant jacket
150 PSIG design pressure
255 PSIG factory test pressure
Jacket MAWP 150 PSIG at 300°F
MDMT -20°F at 150 PSI
Industrial ammonia refrigerant cooling capability

 
Agitator Motor Package:

10 HP agitator motor on each tank
All Frame 215TC, 3-phase, TEFC enclosure
Washdown and inverter duty rated motors
208-460V compatible motors
Professional industrial agitator design
Product mixing capability included
Matched motor frame across all four tanks

 
Matched Set — Four Consecutive Units:

Four identical tanks — same specifications
Consecutive serial numbers VSHT-6445R through VSHT-6448R
Consecutive job numbers 12103 through 12106
Same February 1997 manufacture batch
Designed and built as a complete matched set
Ideal for parallel operation in multi-tank systems
80,000 gallon total system capacity when operated together

 
Industrial-Grade Construction:

Heavy-duty SA240/T316L stainless steel casing
ASME-certified pressure vessel design
Welded stainless construction
Refrigerant jacket system
10 HP agitator motors per tank
Access manway on each tank
Professional industrial fabrication quality

 
Safety & Compliance:

150 PSIG design pressure
255 PSIG factory test pressure — exceeds design pressure by 70%
Jacket MAWP 150 PSIG at 300°F
MDMT -20°F at 150 PSI
ASME-certified construction
Professional safety engineering
Walker Stainless Equipment Company certification

SYSTEM COMPONENTS
 
Main Tanks (each of 4):

Walker Stainless Model per job number
20,000 gallon capacity
SA240/T316L stainless steel construction
Ammonia refrigerant jacket — 96 sq ft
150 PSIG design pressure / 255 PSIG test
Approximate dimensions: 27 ft tall × 12 ft radius
Complete with all connections and nozzles

 
Agitator Systems (each tank):

10 HP 3-phase TEFC agitator motor
Frame 215TC
208-460V compatible
Washdown/inverter duty rated
Agitator shaft and impeller assembly
Product mixing capability

 
Jacket System (each tank):

R-717 ammonia refrigerant jacket
96 sq ft jacket area
Jacket inlet and outlet connections
150 PSIG MAWP
-20°F MDMT
Factory pressure tested to 255 PSIG

 
Tank Connections & Accessories:

Product inlet/outlet nozzles
Manway access opening
Top-mounted agitator motor assembly
Instrumentation connections
Safety relief provisions
Level indication provisions
Drain connections

 
Structural System:

Vertical tank configuration
Structural stainless steel support legs/skirt
Rooftop installation currently
Access platform provisions

SPECIFICATIONS SUMMARY
 
Tanks:

Manufacturer: Walker Stainless Equipment Co., Elroy, Wisconsin, USA
Parent: A Carlisle Company
Date: February 1997
Quantity: 4 units (matched set)
Capacity (each): 20,000 gallons
Total Capacity: 80,000 gallons
Material: SA240/T316L Stainless Steel
Drawing: 9754 REV A

 
Serial Numbers:

VSHT-6445R (Job 12103)
VSHT-6446R (Job 12104)
VSHT-6447R (Job 12105)
VSHT-6448R (Job 12106)

 
Pressure:

Design Pressure: 150 PSIG
Test Pressure: 255 PSIG
Jacket MAWP: 150 PSIG at 300°F
Jacket MDMT: -20°F at 150 PSI

 
Jacket:

Refrigerant: R-717 (Ammonia)
Jacket Area: 96 sq ft per tank

 
Agitator Motors:

HP: 10 HP each
Voltage: 208-460V, 3PH, 60Hz
Frame: 215TC
Enclosure: TEFC

 
Dimensions (approx.):

Height: ~27 ft
Radius: ~12 ft

ADDITIONAL INFORMATION
 

Condition: Used — February 1997 Manufacture, Previously Installed Food/Beverage Processing Facility

Manufacturer: Walker Stainless Equipment Co., Elroy, Wisconsin, USA (A Carlisle Company)

Quantity: 4 tanks — sold as a complete lot

Material: SA240/T316L Stainless Steel

Refrigerant: R-717 (Ammonia) jacket system

 
Safety Features:

150 PSIG design pressure with 255 PSIG factory test
ASME-certified pressure vessel construction
Jacket MAWP 150 PSIG at 300°F
MDMT -20°F at 150 PSI
Safety relief valve provisions
Professional engineering certification

 
Installation Notes:

Currently installed in rooftop configuration — professional rigging and crane required for removal
Ammonia jacket system — requires licensed ammonia contractor for decommissioning
Buyer responsible for ammonia evacuation and disposal per applicable regulations
All four tanks available — sold as a complete matched lot
Consecutive serial numbers confirm matched manufacture batch
Professional rigging, crane service, and transport coordination required
Site inspection welcome prior to purchase

 
Features:

Walker Stainless Equipment Co. jacketed vertical storage tank design
February 1997 year of manufacture
Four matching tanks — sold as a complete lot
20,000 gallon individual capacity / 80,000 gallon total capacity
SA240/T316L stainless steel construction
Food-grade and pharmaceutical-grade stainless material
96 sq ft ammonia refrigerant jacket per tank
150 PSIG design pressure / 255 PSIG test pressure
Jacket MAWP 150 PSIG at 300°F
Jacket MDMT -20°F at 150 PSI
10 HP agitator motor per tank — 3-phase, Frame 215TC, TEFC
208-460V compatible agitator motors
Washdown and inverter duty rated motors
Consecutive serial numbers VSHT-6445R through VSHT-6448R
Matched manufacture batch — job numbers 12103 through 12106
Approximately 27 feet tall by 12 feet radius
Rooftop installation — professional rigging required
Proven Walker Stainless reliability
Elroy, Wisconsin USA manufacturing
A Carlisle Company product lineage
Ideal for dairy, food/beverage, pharmaceutical, or chemical storage
All four tanks included — complete matched set

* Parent Company: A Carlisle Company
* Date: February 1997
* Capacity (each): 20,000 gallons
* Jacket Area (each): 96 sq ft
* Jacket Capacity: 1.375 cu ft
* Design Pressure: 150 PSIG
* Test Pressure: 255 PSIG