Suitable to control liquid level in tanks under pressure, autoclaves, steam generators with control contact for supply pump and with minimum level control.
General features
This product is out of production;
Execution similar with A41 series;
Cast iron body to protect the float with thread connection 1”, which is in contact with liquid zone and air or steam zone of the boiler or of the reservoir by means of pipes of identical diameters;
All other executive and operational details are identical with the details of the A41 series;
Storage and transport temperature: -25 ÷ 60°C;
A42A unit weight 9.3 Kg.
Electric features
Two mercury bulb switches for high temperatures: one switch for pump control, another, double, to control the burner and the minimum level alarm signal.
ADVANTAGES
0
This product is out of production
Suitable to control liquid level in tanks under pressure, autoclaves, steam generators with control contact for supply pump and with minimum level control.
Advantages
TECHNICAL SPECIFICATION
CODE
CONNECTION
LEVEL
DIFFERENTIAL
MAXIM. OPERATING
PRESSURE
MAXIM. LIQUID
TEMPERATURE
CONTACT
RATING
PROTECTION
DEGREE
A42A
Connection with socket with bilateral internal thread g1
25 ÷ 50 mm
16 bar
200 °C
5(2)A 250Vca
IP54
A41A
Flange connection with visible float
25 ÷ 50 mm
16 bar
200 °C
5(2)A 250Vca
IP54
25 ÷ 75 mm
16 bar
200 °C
5(2)A 250Vca
IP54
A41B
Flange connection with visible float
55 ÷ 210 mm
16 bar
200 °C
5(2)A 250Vca
IP54
65 ÷ 305 mm
16 bar
200 °C
5(2)A 250Vca
IP54
95 ÷ 370 mm
16 bar
200 °C
5(2)A 250Vca
IP54
140 ÷ 570 mm
16 bar
200 °C
5(2)A 250Vca
IP54
HOMOLOGATION AND INSTALLATION
Homologation
Conformity with CEI-EN 60947-5-1 standards.
Installation and use
Thread connection G1 with cast iron body to protect the float; external installation.
