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  • AF Ambient Sensing Freeze Protection Valves
Maximum Performance Minimum Cost
  • Self-contained actuator
  • No external power or remote signal
  • In-line serviceability
  • Insensitive to line pressure
  • Valve opens/closes gradually, preventing system shock
  • High repeatability: No set point drift
  • Set points from 35 to 240°F
  • Maximum working pressure 200 psig
  • 100% factory tested
Benefits
  • Easy Installation
  • Reliable, unattended operation
  • Minimal maintenance requirements
  • Eliminates costly freeze damage
Specification and Ordering Information
  • Solid/Liquid Thermal Actuator
  • Brass or Stainless Steel Body
  • Stainless Steel Springs
  • Stainless Steel Seat
  • Silicone Plug Seal

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Item #

Valve Type

Port Size

Maximum Operating Pressure

Valve Action

Body Material

N/A AF Ambient Sensing Freeze Protection Valve N/A 1/8 in N/A 200 psig N/A Direct N/A Brass
N/A AF Ambient Sensing Freeze Protection Valve N/A 1/4 in N/A 200 psig N/A Direct N/A Brass
N/A AF Ambient Sensing Freeze Protection Valve N/A 3/8 in N/A 200 psig N/A Direct N/A Brass
N/A AF Ambient Sensing Freeze Protection Valve N/A 1/8 in N/A 200 psig N/A Direct N/A Stainless Steel
N/A AF Ambient Sensing Freeze Protection Valve N/A 1/4 in N/A 200 psig N/A Direct N/A Stainless Steel
N/A AF Ambient Sensing Freeze Protection Valve N/A 3/8 in N/A 200 psig N/A Direct N/A Stainless Steel
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