Buschjost solenoid valve without differential pressure Norgren solenoid valve Series 85780 / 85790
2/2-way-valves DN 15 to DN 100
For neutral gases and liquid fluids
Solenoid actuated, with forced lifting
Piston valves
85780
Suitable for use in single-channel safety-related systems in
accordance with DIN EN 61508 / 61511 up to and including SIL 2
85790
and up to and including SIL 3 in multi-channel systems.
Flange connection, pressure rating PN 40 (PN 25)
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: up to DN 50: Stainless steel (1.4408)
from DN 65: Stainless steel (1.4581)
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
Part Number Part Number Nominal Diameter Operating pressure * kv-value **
Weight
3
Solenoid with 1 Solenoid with 2 (mm) min. (bar) max. (bar) (Base m
/h) (kg)
8578200.8401 8578200.8404 15 0 25 3.7 4.2
8578300.8401 8578300.8404 20 0 25 5.6 4.6
8578400.8401 8578400.8404 25 0 25 7.8 5.1
8578500.8401 8578500.8404 32 0 25 18.0 9.6
8578600.8401 8578600.8404 40 0 25 24.4 10.0
8578700.8401 8578700.8404 50 0 25 31.8 11.5
8578800.9501 8578800.9504 65 0 25 67.0 36.5
8578900.9501 8578900.9504 80 0 25 94.0 46.5
8579000.9501 8579000.9504 100 0 25 144.0 70.0
2
* for gases and liquid fluids up to 60 mm /s (cSt);
** Cv-value (US) !O kv-value x 1.
State voltage [V] and frequency [Hz]
Inspection certificate DIN EN 10204 - 3.1
Requirements AD 2000 A4 (W2 / W5 / W10)
1257333.0000 (DN 15 - DN 50) Material quality proof for:
- valve body, cover, body screws acc. to DIN EN 10204 - 3.1
- material quality proof for fluid contacted parts acc. to DIN EN 10204 - 2.2
- function and leak test acc. to DIN EN 10204 - 3.1, leackage A acc. to DIN EN 12266-1
Inspection certificate DIN EN 10204 - 3.1
1272888.0000 (DN 65 - DN 100) Material quality proof for:
- valve body, cover, body screws acc. to DIN EN 10204 - 3.1
- material quality proof for fluid contacted parts acc. to DIN EN 10204 - 2.2
- function and leak test acc. to DIN EN 10204 - 3.1, leackage A acc. to DIN EN 12266-1
Solenoid 8401 / 8404 and 9501 / 9504 Power Consumption
According to DIN VDE 0580 at coil temperature
Standard voltage
of +20 !aC. In operation the power consumption of th
solenoid decreases by approx. 30 %.
DC 1 AC 2
40 Hz ¨C 60 H
AC 2
Solenoid DC 1
24 V 24 V ¨
Inrush Holding
¨ 110 V 120 V
8401 40 W ¨ ¨
¨ 230 V 220 V
8404 ¨ 45 VA 45 VA
Design acc. to DIN VDE 0580
9501 80 W ¨ ¨
Voltage range !à10
9504 ¨ 89 VA 89 VA
100 % duty cycle
Protection class acc. to DIN EN 60529 IP 65
Attention!
Socket Form A acc. to DIN EN 175301-803 (included)
The conditions imposed on the Ex approvals lead to reduction of the
AC with rectifier plug
permissible standard temperature ranges in the cases of explosion
protected solenoids.
Part Number Nominal Diameter L H F max. B
(mm) (mm) (mm) (mm) (mm)
8578200.840x 15 130 154 96 44
8578300.840x 20 150 163 110 50
8578400.840x 25 160 168 115 62
8578500.840x 32 180 184 140 92
8578600.840x 40 200 190 150 92
8578700.840x 50 230 197 165 109
Part Number Nominal Diameter L H F A
(mm) (mm) (mm) (mm) (mm)
8578800.950x 65 290 327 185 195
8578900.950x 80 310 347 200 220
8579000.950x 100 350 376 235 265
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