Submittal Sheet

MC4400 (06/19)
Worthington Industries Inc., 1400 Division Road, West Warwick, RI 02893 USA T: 401.884.6300 www.amtrol.com
28
Deep Drawn In-Line & Stand Models
Model
Number
Tank
Volume
Max.
Accept.
Factor
A
Tank Diameter
B
Tank Height
System
Conn.
(NPTM)
Shipping
Weight
Gal Lit In mm In mm In Lbs Kg
ST-5C-DD 2.0 8 .45 8 203 14 356 ¾ 10 5
ST-12C-DD 6.4 24 .50 12 305 18 457 ¾ 26 12
ST-20VC-DD 8.6 33 .37 12 305 22 559 ¾ 36 16
ST-30VC-DD 16.5 63 .68 15 381 25 636 ¾ 48 22
ST-42VC-DD 23.0 88 .49 15 381 33 838 ¾ 68 31
Head & Shell Stand Models
Model
Number
Tank
Volume
Max.
Accept.
Factor
A
Tank Diameter
B
Tank Height
System
Conn.
(NPTF)
Shipping
Weight
Gal Lit In mm In mm In Lbs Kg
ST-60VC 25.0 95 .44 16 406 32 813 ¾ 85 39
ST-70VC 34.0 129 .32 16 406 45 1143 ¾ 99 45
ST-80VC 53.0 201 .66 24 610 37 940 1¼ 224 102
ST-120VC 68.0 257 .51 24 610 44 1118 1¼ 266 121
ST-180VC 77.0 291 .45 24 610 49 1245 1¼ 285 129
ST-210VC 90.0 341 .39 24 610 57 1448 1¼ 319 145
150 PSIG Working Pressure
THERM-X-TROL
®
Thermal Expansion Tanks: Diaphragm ST-C Series ASME
Construction
Shell
ST-5C, ST-12C, ST-20VC: Deep Drawn Steel
ST-30VC through ST-210VC: Steel Head & Shell
Diaphragm Heavy Duty Buty NSF/ANSI 61
Liner
Antimicrobial Polypropylene
w/Anti-Legionella Protection
System Connection Stainless Steel
Finish Red Oxide Primer
Water Circulator Turbulator
™
(Deep Drawn Models)
Air Valve Schrader Valve w/ EPDM Seat
Factory Precharge 55 PSIG (3.8 bar)
Application
• For use in closed, domestic hot water systems to
control pressure buildup.
• Fixed diaphragm construction.
• Designed and constructed per ASME Code Section
VIII, Division 1.
• Tested to JIS Z 2801 for reduction of Legionella,
Staphylococcus and E. coli.
• Follows ASHRAE 188 Anti-Legionella guidelines.
• All models available with optional sight glass.
• Seismic restraints available on
stand models only.
• Deep drawn models are lighter, stronger and
more compact than traditional head and shell
construction.
Performance
Maximum Operating Temperature 200°F (93°C)
Maximum Working Pressure 150 PSIG (10.3 bar)
Warranty 1-Year
All dimensions and weights are approximate.
Job Name _____________________________________
Engineer _____________________________________
Contractor _____________________________________
P.O. No. _____________________________________
Sales Rep. _____________________________________
Model No. _____________________________________
Notes _________________________________
_______________________________________
_______________________________________
_______________________________________
_______________________________________
_______________________________________
SYSTEM
CONNECTION
ST-80VC
THROUGH
ST-210VC
A
B
B
A
ST-30VC
THROUGH
ST-70VC
SYSTEM
CONNECTION
CHARGING
VALVE
A
SYSTEM
CONNECTION
CHARGING
VALVE
ST-5C-DD & ST-12C-DD
B
ST-20VC-DD
THROUGH
ST-42VC-DD
B
A
DEEP DRAWN
MODELS