Burkert valve Neutral gaseous media Type 0256 - Direct acting solenoid valve for neutral media

2/2-way Solenoid Valve
 Seat valve, direct-acting
 Wide range of applications
 Port connection size up to G 1/2
 Brass or stainless steel valve body

Technical data
DN 3.0 - 12.0 mm
Ori ce
Brass (Body C with stainless steel seat 1.4112) or
Body material
stainless steel 1.4581
NBR, FKM, EPDM, steel on request
Seal material
Media
Neutral media, compressed air, water, oil
 NBR
hot air, hot oils, oils with additives
 FKM
Technical vacuum
 All materials
Media temperature
C10 to +80 !
 NBR (EPDM on request)
C10 to +130 !
 FKM
Max. +55!
Ambient temperature
2
/s
Max. 21 mm
Viscosity
! 10
Voltage tolerance
100% continuous rating
Duty cycle
Cable plug for  7 mm cable (supplied as standard) *
Electrical connection
IP 65 with cable plug
Protection class
As required, preferably with actuator upright
Installation
measured at +20!C, 1 bar pressure at valve inlet
Flow rate
3
and free outlet
/h]
 Kv value water [m
gauge pressures with respect to the prevailing
Pressure valves [bar]
atmosphere pressure
measured with water at valve outlet at 6 bar and +20!
Response times [ms]
pressure build-up 0 to 90%
 Opening
pressure decay 100 to 10%
 Closing

Ordering chart for valves (other versions on request)  
 
Valves A, B, C with brass body, DN 3.0 to 12.0 mm, with cable plug, without mounting bracket (see Accessories)
Body C with stainless steel seat 1.4112
 ce [mm]
Circuit function Ori Port connection [D] Kv value water[m3/h] Pressure range for gases [bar] Pressure range for liquids [bar] Body version (please see drawing) Seal material Voltage/frequency[V/Hz] Item no.
A
3.0G 1/40.250 - 100 - 10CNBR024/DC 145 725
0 - 220 - 22CNBR230/50145 803
4.0G 1/40.50 - 60 - 6CNBR024/DC145 727
0 - 160 - 12CNBR024/50145 728
2/2-way valve NC
110/50145 730
0 - 130 - 10CNBR230/50-60121 566
0 - 160 - 12CNBR230/50145 731
G 3/80.50 - 60 - 6CFKM024/DC145 739
0 - 160 - 12CFKM230/50145 740
0 - 60 - 6CNBR024/DC145 733
0 - 160 - 12CNBR024/50145 734
0 - 160 - 12CNBR110/50145 735
0 - 12CNBR230/50145 736
5.0G 1/40.650 - 2.50 - 2.5CNBR024/DC145 747
 0 - 120 - 6CNBR024/50145 748
110/50145 749
230/50145 750
G 3/80.650 - 2.50 - 2.5CNBR024/DC145 752
0 - 120 - 6CNBR024/50145 753
110/50145 754
230/50145 755
6.0G 1/40.80 - 20 - 2BNBR024/DC145 760
0 - 80 - 4B230/50145 763
CFKM024/50145 774
NBR024/50145 761
0 - 20 - 2C024/DC145 759
C110/50145 762
C230/50145 764
G 3/88.00 - 80 - 4CFKM024/50145 775
BFKM230/50145 804
0 - 20 - 2CNBR024/DC145 766
0 - 80 - 4CNBR024/50145 767
110/50145 768
230/50145 769

Ordering chart for valves (other versions on requests)
 ce [mm]
Circuit function Ori Port connection [D] Kv value water[m3/h] Pressure range for gases [bar] Pressure range for liquids [bar] Body (please see drawing) Seal material Voltage/frequency[V/Hz] Item no.EPDM diaphragm material
0.8 FKM
6.0G 1/2 0-20-2A 024/DC145 776
A
NBR024/DC145 771
230/50145 772
8.0G 3/80.90-0.50-0.5CNBR024/DC145 778
0-2.50-1.5CNBR024/50145 779
2/2-way valve NC 110/50145 780
230/50145 781
10G 1/21.50 - 0.40 - 0.4AFKM024/DC145 806
0 - 1.50 - 1AFKM024/50145 792
0 - 0.40 - 0.4ANBR024/DC145 788
0 - 1.50 - 1ANBR024/50145 789
110/50145 790
230/50120 133
12.0G 1/21.80 - 10 - 0.5AFKM230/50145 801
0 - 0.10 - 0.1ANBR024/DC145 796
0 - 10 - 0.5ANBR024/50145 797
110/50145 798
230/50145 799
All valves with stainless steel body A und B; DN 4, 10 and 12; 1.4581, with cable plug, without mounting bracket (see Accessories)
4.0G 1/40.50 - 60 - 6BFKM024/DC145 742
10.0G 1/21.50 - 1.50 - 1AFKM024/50145 793
12.0G 1/21.80 - 10 - 0.5AFKM230/50145 802
A 2/2-way valve NC

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