Honeywell Solenoid valves for potable water AT-series AT25

This range of high-quality solenoid valves is not dependent on a specific minimum differential pressure; the valves operate extremely reliably

with no pressure, at slight differential pressure, right through to maximum pressure. They are therefore the valves of choice for installation in

plants where differential pressures fluctuate greatly and are not possible to determine precisely in advance. The AT valve series may only be used for media free from oil and grease, such as drinking water, hot water or alkaline detergents and bleaches

Solenoid valves of the AT series are VDE-approved according to EN 60730 as electrically operated water valves up to 50°C。Furthermore, the EPDM sealing material satisfies the “KTW” (plastics in drinking water) recommendations of the German Department of Health

DN Size mm: 25

Kvs value: 11

Connections: G1

Technical data

Type: 2/2-way

Operating mode: normally closed

Type of construction: Diaphragm solenoid valve, coupled. No initial pressure needed.

Pressure range：0 – 10 bar, also suitable for vacuum of up to -0.9 bar. No back-pressure may occur as the valve will open in an uncontrolled manner.

Materials： Casing: brass, internal parts: stainless steel

Sealing material： EPDM

Mounting position： Any, solenoid system preferably upright

Temperature of medium： 0°C to +120°C

Max. ambient temperature： 55°C

Duty cycle： 100% ED

Electrical connection：Device socket to DIN 43 650

Voltage/current type： Standard version 230 V, 50 Hz

Special voltages available： Voltage Code

110 VAC 2

24 VAC 8

24 VDC 6

Degree of protection：IP 65 according to DIN 40 050 with device socket

Power consumption in VA or W：Switching Nominal diameter/DN

state 10 13 20 25 40 mm

AC: Start 34 36 38 160 202 VA

AC: Oper. 14 14 14 38 38 VA

DC: Start

+ Operation 10 10 10 – – W

DN （mm）Pressure range （bar） value (m3/h)  Connection thread   Weight (kg)   Type

10 0–10 1.8 G 3/8“ 0.4 AT 10

13 0–10 3.5 G 1/2“ 0.55 AT 13

20 0–10 8.6 G 3/4“ 1.0 AT 20

25 0–10 11.0 G 1“ 1.7 AT 25

25 0–10 11.0 G 1 1/4“ 1.7 AT 32

40 0–10 30.0 G 1 1/2“ 3.5 AT 40

40 0–10 30.0 G 2“ 3.5 AT 50

DN A B C D E F G K L M SW

10 72 86 38 38 20 12 G 3/8“ 65 50 3.5 27

13 83 99 45 51 24 14 G 1/2“ 65 58 3.5 32

20 99 119 66 66 35 16 G 3/4“ 65 80 3.5 41

25 145 166 105 105 69 18 G 1“ 69 95 7 41

25 145 166 105 105 69 18 G 1 1/4“ 69 95 7 50

40 157 187 105 105 69 22 G 1 1/2“ 69 132 7 60

40 157 187 105 105 69 22 G 2“ 69 132 7 70

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