Buschjost solenoid valve without differential pressure Norgren solenoid valve Series 85840/85850
2/2-way-valves DN 15 to DN 50
For neutral gases and liquid fluids
Solenoid actuated, with forced lifting
Piston valves
85840
Suitable for use in single-channel safety-related systems in
accordance with DIN EN 61508 / 61511 up to and including SIL 2
85850
and up to and including SIL 3 in multi-channel systems.
Female threads G 1/2 to G 2 or 1/2 NPT to 2 NPT
Operating pressure 0 to 25 bar
Description (standard valve)
Solenoid valve suitable for:
¨C ai
¨C wate
¨C gases according to DVGW data sheet G 260 with seat seal FP
¨C Oils and other fluids on reques
Switching function: normally closed
Flow direction: determined
Fluid temperature: ¨C10 !aC up to max. +60
Ambient temperature: ¨C10 !aC up to max. +50
Mounting position: preferably solenoid vertical on top
Material
Body: Stainless steel (1.4408)
Seat seal: NBR
Internal parts: Stainless steel, PTFE/carbon
For contaminated fluids insertion of a strainer is recommended (see B - accessories).
FeaturesHigh flow rateFor robust industry applicationsDamped operationFor systems with low or fluctuating pressureValve operates without differential pressure
Characteristic data
Valves
Nominal Dia-
Part Number Part Number Connection size Operating pressure * kv-value **
Weight
meter
3
Solenoid with 1 Solenoid with 2 min. (bar) max. (bar) (Base m
/h) (kg)
(mm)
8584200.8401 8584200.8404 G 1/2
12 0 25 3.6 2.8
8585200.8401 8585200.8404 1/2 NPT
8584300.8401 8584300.8404 G 3/4
20 0 25 6.0 3.0
8575300.8401 8585300.8404 3/4 NPT
8584400.8401 8584400.8404 G 1
25 0 25 8.9 3.4
8585400.8401 8585400.8404 1 NPT
8584500.8401 8584500.8404 G 1 1/4
32 0 25 22.0 5.6
8585500.8401 8585500.8404 1 1/4 NPT
8584600.8401 8584600.8404 G 1 1/2
40 0 25 22.3 5.4
8585600.8401 8585600.8404 1 1/2 NPT
8584700.8401 8584700.8404 G 2
50 0 25 35.0 6.8
8585700.8401 8585700.8404 2 NPT
2
* for gases and liquid fluids up to 60 mm /s (cSt); State voltage [V] and frequency [Hz]
** Cv-value (US) !O kv-value x 1.
Inspection certificate DIN EN 10204 - 3.1
1237463.0000 1272888.0000
up to G 1: material quality proof for: from G 1 1/4: same as 1237463 but with additional:
¨C Function and seal test (DIN EN 12266) ¨C valve body, cover, body screws acc. to DIN EN 10204 - 3.1
¨C Pressure test (DIN EN 12266) ¨C material quality proof for fluid contacted parts acc. to DIN EN 10204 -
¨C Voltage test (DIN, VDE 580 !ì 38 2.2
¨C Material from parts list with material-no. acc. to DIN EN 10204-2. ¨C function and leak test acc. to DIN EN 10204 - 3.1
leackage A acc. to DIN EN 12266-1
Solenoid 8401 / 8404
Further Options (Valves)
Standard voltage
XXXXX01.XXXX Normally open
XXXXX02.XXXX Manual override
DC 1 AC 2
40 Hz ¨C 60 H
XXXXX03.XXXX Seat seal FPM,
24 V 24 V ¨
fluid temperature ¨C10 !aC up to +60 !
¨ 110 V 120 V
XXXXX17.XXXX
Normally open, Seat seal FPM
¨ 230 V 220 V
fluid temperature ¨C10 !aC up to +60
Design acc. to DIN VDE 0580
XXXXX50.XXXX
Double position indicator with safety barge and
Voltage range !à10
HAN? 7D-connector (metal design)
100 % duty cycle
Protection class acc. to DIN EN 60529 IP 65
XXXXX52.XXXX
Double position indicator with safety barge and
Socket Form A acc. to DIN EN 175301-803 (included)
HAN? 7D-connector (metal design) and manual
AC with rectifier plug
override
On request Further versions
Power Consumption
According to DIN VDE 0580 at coil temperature of +20 !aC. In operation
Further Options (Solenoids)
the power consumption of the solenoid decreases by approx. 30?%.
XXXXXXX.8441 Protection class
AC 2
Solenoid DC 1
x II 2 GD EEx me ll T3 T 140!a
Inrush Holding
XXXXXXX.8900
Protection class
8401 40 W ¨ ¨
x II 2 G Ex de IIC T4/T5
8404 ¨ 45 VA 45 VA
x II 2 D Ex tD A21 IP65 T 130 !aC resp. T 95 !
Attention!
XXXXXXX.8920
Protection class
The conditions imposed on the Ex approvals lead to reduction of the
x II 2 G Ex d IIC T4/T5
permissible standard temperature ranges in the cases of explosion
protected solenoids.
x II 2 D Ex tD A21 IP65 T 130 !aC resp. T 95 !
XXXXXXX.8426
Protection class
x II 3 G Ex nA ll T4
x II 3 D Ex tD A21 IP65 T 135!a
only DC, for AC solenoids with design inspection
certificate acc. to category 2, e.g. XXXXXX.8441
On request Further versions
Part Number Connection size A H H 1 L L 1 T
meter
(mm) (mm) (mm) (mm) (mm) (mm)
(mm)
8584200.840x G 1/2 14.0
12 44 166.0 152.0 67 31.0
8585200.840x
1/2 NPT 13.5
8584300.840x G 3/4 16.0
20 50 174.0 157.5 80 35.5
8585300.840x 3/4 NPT 14.0
8584400.840x G 1 18.0
62 184.5 164.0 95 44.0
25
8585400.840x 1 NPT 17.0
8584500.840x G 1 1/4 20.0
32 92 212.5 183.5 132 60.0
17.0
1 1/4 NPT
8585500.840x
8584600.840x G 1 1/2 22.0
40 92 212.5 183.5 132 60.0
8585600.840x 1 1/2 NPT 17.0
8584700.840x G 2 24.0
50 109 226.5 192.0 160 74.0
8585700.840x 2 NPT 17.5
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