ET8

Threaded valves with 1000 N actuator

DN25 to DN50 Valves
Electrically operated cast bronze valves with female threaded fittings
Designed primarily to regulate the flow of water and steam in response to the demand of a controller, in heating, ventilating and air conditioning systems.
These valves are available in two-way PDTC, two-way PDTO and three-way mixing configurations.
Available with: proportional or floating (open/close) control signals

Process inputs:

Proportional models

- Voltage (V):  0...10 V
- Current (mA): 0/4...20 mA
Self calibrating

Floating models

 3-point

Manual override

Process outputs

Valve type

- 2-way PDTC (Normally Open) Equal%
- 2-way PDTO (Normally Closed) Equal%
- 3 way Mixing linear in both ports
- 2kΩ Feedback potentiometer
- 2 aux. Switch

Power supply:

- 24 VAC
- 230 VAC

Functions

Actuator:
Non-spring return actuator with 1000N thrust for valves in heating, ventilation and air conditioning applications is available for floating (3-point) control or proportional control.
All models have manual override as standard and provide stroke capabilities of 7 mm to 25 mm.
Proportional models are self-calibrating.
Valve sizes: DN 25/10 to DN 50/40
Width: 80 to 150 mm
Height:
- Body: 41 to 95 mm
- Actuator: 286 to 313 mm
- Allowance: up to 150 mm
Weight: 1 to 7.3 Kg

Connectable to:

- Any controller from Ascon Tecnologic range with the appropriate I/Os

Used for:

Water and steam flow control in Heating and HVAC