Amtrol ST-70VC Therm-X-Trol ASME Thermal Expansion Tank - 150 PSI Max

Brochure
Spec Sheet

Features

Diaphragm Design – Deep Drawn Construction:

• Increased Strength; Reduced Diameter and Reduced Weight.
• Antimicrobial Liner Neutralizes Bacteria on Contact.
• Tested to JIS Z 2801 for Reduction of Legionella, Staphylococcus and E. coli.
• Follows ASHRAE 188 Anti-Legionella Guidelines.
• Patented Turbulator™ Prevents Sediment Buildup.
• Max. Operating Temperature: 200º F.

Diaphragm Design – Head & Shell Construction:

• Antimicrobial Liner Neutralizes Bacteria on Contact.
• Tested to JIS Z 2801 for Reduction of Legionella, Staphylococcus and E. coli.
• Follows ASHRAE 188 Anti-Legionella Guidelines.
• Max. Operating Temperature: 200º F.

Full Acceptance Bladder Design:

• Butyl Bladder: Industry’s Thickest
• Replaceable Bladder Avoids Costly Tank Replacement.
• Max. Operating Temperature: 240º F.

Partial Acceptance Bladder Design:

• Butyl Bladder: Industry’s Thickest
• Replaceable Bladder Avoids Costly Tank Replacement.
• Max. Operating Temperature: 240º F.

Construction

• Shell: ASME Approved Steel
• Diaphragm/Bladder: Heavy Duty Butyl Compound
• Liner – Diaphragm Models Only: Antimicrobial JIS Z 2801 Tested for Reduction of Legionella, Staphylocuccus and E.coli
• System Connection: Stainless Steel
• Finish: Red Oxide Primer
• Air Valve: Schrader Valve w/ EPDM Seats
• Factory Precharge: 55 PSIG (3.8 bar)

Performance

• Max. Operating Temperature: 200º F (93º C)
• Max. Working Pressure: Available 125 PSIG (8.3 bar) through 300 PSIG (21 bar)
• Warranty: 1-Year Limited

Application

• For use in closed, potable hot water systems to control pressure buildup.
• Meets all ASME Section VIII, Division 1 code standards.
• Available with optional sight glass.
• Stand models available with optional seismic restraints.