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
  • 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

Unit of Measure


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

Maximum Operating Pressure

N/A 200 psig

Flow Coefficient (Cv)

N/A 0.5

Valve Action

N/A Direct

Body Material

N/A Brass

Dimensional Drawing

AF Ambient Sensing Freeze Protection Valves-2

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.