Buschjost Pressure actuated valves by external fluid Norgren solenoid valve Series 82710 82750
2/2-way valves DN 8 to DN 12
For neutral gases and liquids
Pressure actuated by external fluid
Diaphragm valves
Internal thread G 1/4 to G 1/2 or 1/4 NPT to 1/2 NPT
Operating pressure ¨C0.9 to 6 ba
Description (standard valve)
Valve for neutral gases and liquids up to max. 80 mm2/s (cSt)
Switching function: normally closed
Flow direction: as required
Mounting position: as required
Process fluid characteristics / Valve material
Fluid temperature: ¨C10 !aC up to max. +90
Ambient temperature: ¨C10 !aC up to max. +50
Material body: Brass
Seat seal: Fabric reinforced NBR diaphragm
Pilot fluid characteristics / Actuator material
Pilot fluid: air, water, hydraulic oil
Fluid temperature: max. +90 !a
Body: Brass, PPO (cover)
Seat seal: Fabric reinforced NBR diaphragm
Pilot connection: G 1/8
Features Spindle seal with diaphragmSuitable for contaminated process fluidsOptical position indicator is standard
Characteristic data
Valves
Part Number Nominal Dia- Connection Operating pressure * Pilot pressure ** kv-value *** Weight
3
meter (mm) size min. (bar) max. (bar) min. (bar) max. (bar) (Base m /h) (kg)
8271000.0000 G 1/4
8 ¨C0. 6 3 8 1.9 0.75
8275000.0000 1/4 NPT
8271100.0000 G 3/8
10 ¨C0. 6 3 8 2.4 0.72
8275100.0000 3/8 NPT
8271200.0000 G 1/2
12 ¨C0. 6 3 8 2.9 0.70
8275200.0000 1/2 NPT
2
* with gases and liquid fluids up to 80 mm /s(cSt)
** for vacuum inset min. pilot pressure 4 bar
*** Cv-value (US) ? kv-value x 1,2
Note: Stainless steel design for number 50,51 !
A 3/2 way solenoid pilot valve can be fitted at the pilot
Options (valves)
connection Z. These pilot valves are only for air, look at
XXXXX01.XXXX Normally Open
XXXXX03.XXXX Seat seal FPM,
Required parts Part Number
FPM-fabric-diaphragm (Pos. 102),
1 pc. 3/2-way-solenoid valve DN 1,6 8466053.910X
max fluid temperature +110 !aC
XXXXX14
.XXXX Seat seal EPDM,
EPDM-fabric-diaphragm (Pos. 102)
XXXXX50
.XXXX only for connection G 3/8 and G 1/2
Valve body stainless steel,
internal parts stainless steel,
Sandvik 1802
XXXXX51
.XXXX only for connection G 3/8 and G 1/2
Seat seal FPM,
FPM-fabric-diaphragm (Pos. 102),
valve body stainless steel,
internal parts stainless steel,
Sandvik 1802,
max fluid temperature +110 !aC
XXXXX52
.XXXX Seat seal: FPM,
separating diaphragm PTFE-foil with
FPM-diaphragm, body manufactured from
1.4581 stainless steel,
internal parts with contact to fluids manu-
factured
from 1.4571 stainless steel and A4 stain-
less steel,
maximum fluid temperature +110 !aC
0 to 6 bar
On request Further options
Part Number Nominal Diameter Connection size L B H H1
(mm) (mm) (mm) (mm) (mm)
8271000.0000 G 1/4
8 67 60 101 86
8275000.0000 1/4 NPT
8271100.0000 G 3/8
10 67 60 101 86
8275100.0000 3/8 NPT
8271200.0000 G 1/2
12 67 60 101 86
1/2 NPT
8275200.0000
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