GW50A4 – Gas and Air Pressure Switch

Technical description

The GW…A4 pressure switches are adjustable pressure switches for automatic burner controls. They are suitable for switching a circuit on, off or over on changes in actual pressure value relative to the set reference value. The reference value (switching point) is adjusted on a setting wheel provided with a scale. Test nipple integrated in metal housing as standard.

Application

Pressure monitoring in firing, ventilation and air-conditioning systems. Suitable for gases of families 1, 2, 3 and other neutral gaseous media.

Specifications

Setting range: 2.5 – 50 mbar

Max. operating pressure: 500 mbar (50 kPa)

Pressure connection: G 1/4 internal thread on center of housing underside as per ISO 228

Ambient temperature: -15 °C to +60 °C

Medium temperature: -15 °C to +60 °C

Storage temperature: -30 °C to +80 °C

Materials

Housing: Aluminium die cast

Switch part: Polyamide

Diaphragms: NBR

Switching contact: Ag

For more information on technical data, please refer to the data sheet.