2/2-way valves DN 8 to DN 50
For slightly aggressive gases and liquid fluids
Indirectly solenoid actuated
Diaphragm valves
Internal threads G 1/4 to G 2 or 1/4 NPT to 2 NPT
Operating pressure 0.1 to 16 bar
Descrtption (standard valve)
Solenoid valve for e.g. slightly aggressive gases and liquids
Switching function: normally closed
Flow direction: determined
Differential pressure: 0.1 bar required (0.3 bar for EPDM)
Fluid temperature: –10 °C up to max. +90 °C
Ambient temperature: –25 °C up to max. +50 °C
Mounting position: optional, preferably solenoid
vertical on top
Material
Body: Stainless steel (1.4408)
Seat seal: NBR
Internal parts: Stainless steel, PVDF
For contaminated fluids insertion of a strainer is recommended (see B - accessories).

Features
• High flow rate
• Damped operation
• Functional compact design
• Solenoid interchangeable without tools (c)
Symbol
Bestellinformation
To order, quote model number from table overleaf, e. g. 8273400.9101 for a DN 25 valve.

Characteristic data
Valves
Part Number Nominal Diameter
(mm)
Connection size Operating pressure *
min. (bar) max. (bar)
Overall length
(mm)
kv-value **
(Base m3/h)
Weight
(kg)
8273000.9101
8274000.9101
8
G 1/4
1/4 NPT
0,1 16 60 1,9 0,47
8273100.9101
8274100.9101
10
G 3/8
3/8 NPT
0,1 16 60 3,0 0,45
8273200.9101
8274200.9101
12
G 1/2
1/2 NPT
0,1 16 67 3,8 0,50
8273300.9101
8274300.9101
20
G 3/4
3/4 NPT
0,1 16 80 6,1 0,65
8273400.9101
8274400.9101
25
G 1
1 NPT
0,1 16 95 9,5 0,95
8273500.9101
8274500.9101
32
G 1 1/4
1 1/4 NPT
0,1 10 132 23,0 2,60
8273500.9151
8274500.9151
32
G 1 1/4
1 1/4 NPT
0,1 16 132 23,0 2,84
8273600.9101
8274600.9101
40
G 1 1/2
1 1/2 NPT
0,1 10 132 25,0 2,42
8273600.9151
8274600.9151
40
G 1 1/2
1 1/2 NPT
0,1 16 132 25,0 2,66
8273700.9101
8274700.9101
50
G 2
2 NPT
0,1 10 160 41,0 3,62
8273700.9151
8274700.9151
50
G 2
2 NPT
0,1 16 160 41,0 3,86
Design acc. to DIN VDE 0580
Voltage range ±10 %
100 % duty cycle
Protection class acc. to EN 60529 IP65
Socket acc. to DIN EN 175301-803 (included)
Attention! Standard core tube with copper shading coil
Look for fluid resistant further options
Power Consumption
According to DIN VDE 0580 at coil temperature
of +20 °C. In operation the power consumption of the
solenoid decreases by approx. 30 %.
Options (Valves)
XXXXX01.XXXX Normally open (NO)
XXXXX02.XXXX Manual override
XXXXX03.XXXX Seat seal FPM,
max. fluid temperature +110 °C
XXXXX14.XXXX Seat seal EPDM, for hot water,
max. fluid temperature +110 °C;
0.3 to 16 bar up to DN 25
XXXXX81.XXXX Core tube stainless steel,
Seat seal FPM,
max. fluid temperature +110 °C,
for AC voltage: solenoid with rectifier
On request Further versions
Options (Solenoids)
XXXXXXX.9136 Solenoid in protection class
x II 2 GD EEx m II T4 T 130 °C,
with 3 m connection cable, for AC/DC
On request Further versions
* with gases and liquid fluids up to 25 mm2/s (cSt)
** Cv-value (US) ≈ kv-value x 1.2
State voltage [V] and frequency [Hz]
Solenoid DC 1 AC 2
Inrush Holding
9101 * 8 W 15 VA 12 VA / 7 W
9151 * 18 W 45 VA 35 VA / 17 W
* r Coil only
Attention!
The conditions imposed on the Ex approvals lead to reduction
of the permissible standard temperatures ranges in the case of