Request Information
Features:
  • Direct replacement for all existing two-position PopTop applications
  • Hysteresis synchronous motor for long life
  • Spring Return operation provides a fail-safe
  • Valve body rated for 400 psi static pressure
  • Available in a variety of voltages
  • Actuator mounts directly onto valve body without need for linkages or calibration
  • Manual override lever (normally closed only)
  • Actuator can be replaced without any tools or removal from the system
Unit of Measure

Specifications

Type

 N/A Automatic Temperature Control Valves

Valve Body Size

 N/A 1/2 in3/4 in1 in

Valve Body Type

 N/A Zone Valve

Fail Safe

 N/A Spring Return

Manufacturer

 N/A Schneider Erie VT / VS PopTop Series

Specification No.

 N/A COMP-SPEC-ATC2-001

Material Specifications

Body Material

 N/A Forged Brass

Stem Material

 N/A Nickel-plated

Seat Material

 N/A Brass

Paddle

 N/A VT Series-Buna N / VS Series-Highly saturated nitrite

Application

N/A PopTop Series valve bodies and actuators provide easy installation for a variety of heating and cooling applications.
Valve’s actuator can be installed after valve body has been installed onto fan coil, baseboard and air handler. VS series are available for low pressure steam applications.

Valve Body Assembly Specifications

N/A

  • Service Hot and Chilled water models, up to 50% Glycol. Steam models up to 15 psi (both valve body and valve actuator must be rated for high pressure).
  • System Static Pressure Limits: 400 psi (2068.4 kPa).
  • Close-off
  • Fluid/Ambient Temperature Limits
  • Seat Leakage: ANSI class IV (0.01%) with pressure at inlet (B-port/A-port, If 3-Way)

Actuator Specifications

N/A

  • Voltage: 24v (50/60Hz) or 110 Vac @ 50 Hz. and 120 Vac @ 60 Hz.
  • Power Requirements: 6.5 watts, 7.5 Va
  • End Switch: 24-240 VAC Models: 101 mA min. to 5A max, and 9 - 30 Vdc @ 100 mA max
  • Control Signal: On/Off, 2 position, spring return
  • Timing, Full Open to Full Close: 25 Sec max for 60 Hz; 30 Sec max for 50 Hz; and 9 Sec max spring return
  • Materials: Stainless steel base plate, aluminum cover
  • Ambient Temperature Limits: Shipping & Storage, -40 to 160ºF (-40 to 70ºC); Operating Temperature
  • Humidity: 5 to 95% relative humidity, non-condensing
  • Agency Listings (Actuator Only): UL873 Underwriters Laboratories (File #E9429 Category Temperature Indicating and Regulating Equipment) CUL: UL Listed for use in Canada by Underwriters Laboratory. Canadian Standards C22.2 No.24. European Community: EMC Directive (89/336/EEC). Low Voltage Directive (72/23/EEC). Australia: This product meets the requirements to bear the C-Tick Mark according to the terms specified by the Communications Authority under the Radio Communications Act of 1992.
  • Shipping Weight: Actuator and Valve Assembly 2.25 lbs (1020 g).

Flow Coefficients & Maximum Close-Off Pressure Differential

N/A

Valve Size Connection Type 2-Way Cv (kv) 3-Way Cv (kv) (G*) Close-Off ΔP
PSI (kPa)		 (H)† PSI Close-Off ΔP kPa)ª
1/2" NPT, SW 1.0 (0.9) 1.5 (30) 60 (414) 75 (517)
1/2", 3/4" NPT, SW 2.5 (2.2) 3.0 (2.6) 40 (276) 50 (344)
1/2", 3/4", 1" NPT, SW 3.5 (3.0) 4.0 (3.4) 25 (172) 30 (208)
3/4", 1" NPT, SW 5.0 (4.3) 5.0 (4.3) 20 (137) 25 (172)
3/4" NPT, SW 7.5 (6.5) 7.5 (6.5) 17 (117) 20 (137)
1" NPT, SW 8.0 (6.9) 8.0 (6.9) 17 (117) 20 (137)

*G= General Close-Off Pressure / ª (H)† = High Close-off actuator

Water Valve Sizing Table

N/A

Valve Size ΔP (PSI) 1.0 Cv 1.5 Cv 2.5 Cv 3.0 Cv 3.5 Cv 4.0 Cv 5.0 Cv 7.5 Cv 8.0 Cv
Differential Pressure ΔP 1 1.0 1.5 2.5 3.0 3.5 4.0 5.0 7.5 8.0
2 1.4 2.1 3.5 4.2 4.9 5.7 7.1 10.6 11.3
3 1.7 2.6 4.3 5.2 6.1 6.9 8.7 13.0 13.9
4 2.0 3.0 5.0 6.0 7.0 8.0 10.0 15.0 16.0
5 2.2 3.4 5.6 6.7 7.8 8.9 11.2 16.8 17.9

* Water capacity in gallons per minute (GPM).