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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

AF Ambient Sensing Freeze Protection Valves
Unit of Measure
Items AF Ambient Sensing Freeze Protection Valves
3/4AF---ADB
1/8 Inch (in) Port Size, Brass AF Ambient Temperature Sensing Freeze Protection Valve
AF Ambient Sensing Freeze Protection Valves
3/4AF---BDB
1/4 Inch (in) Port Size, Brass AF Ambient Temperature Sensing Freeze Protection Valve
AF Ambient Sensing Freeze Protection Valves
3/4AF---CDB
3/8 Inch (in) Port Size, Brass AF Ambient Temperature Sensing Freeze Protection Valve
AF Ambient Sensing Freeze Protection Valves
3/4AF---ADS
1/8 Inch (in) Port Size, Stainless Steel AF Ambient Temperature Sensing Freeze Protection Valve
AF Ambient Sensing Freeze Protection Valves
3/4AF---BDS
1/4 Inch (in) Port Size, Stainless Steel AF Ambient Temperature Sensing Freeze Protection Valve
Description N/A 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

NPT Thread Size N/A 3/4 in
Valve Type N/A AF Ambient Sensing Freeze Protection Valve
Full Open Set Point Temperature Range N/A 35 to 240 ºF
Port Size N/A 1/8 in N/A 1/4 in N/A 3/8 in N/A 1/8 in N/A 1/4 in
Maximum Operating Pressure N/A 200 psig
Flow Coefficient (Cv) N/A 0.5 N/A 0.8 N/A 1.0 N/A 0.5 N/A 0.8
Valve Action N/A Direct
Body Material N/A Brass N/A Brass N/A Brass N/A Stainless Steel N/A Stainless Steel
Dimension A N/A 1-7/8 in
Dimension B N/A 5-1/4 in
Dimension C N/A 1-7/8 in
Net Weight N/A 2-3/4 lb
The Ogontz Guarantee N/A We will repair or replace on a no-charge basis F.O.B. Willow Grove, PA, any Ogontz product returned to us within 18 months, if found to be defective in material or workmanship.