Burkert valve Neutral gaseous media Type 5281 - Servo-assisted solenoid valve

2/2-way Solenoid Valve with
servo-diaphragm, G 1/2 - G 2 1/2
 Universal version up to 16 bar
 NBR, EPDM or FKM servo-diaphragms
 Anti-waterhammer, low noise
 NC or NO circuit function
  Brass body or grey cast iron
  Threaded port or flange connections

Technical data
DN 13 - 65 mm
Ori ce
Body material
Brass acc. to DIN EN 50930-6
 Threaded port
Grey cast iron
 Flange
Insulation class
Seal material version
B
 NBR
H
 EPDM
H
 FKM
Stainless steel, brass
Inner part valve
NBR, EPDM, FKM
Seal material
Media
Neutral media, such as compressed air, water
 NBR
Oil and fat-free media
 EPDM
Hot air, per-solutions
 FKM
Media temperature
-10 to +80 !
 NBR
-40 to +90 !C (with epoxy coil to +100!
 EPDM
-10 to +90 !C (with epoxy coil to +120!
 FKM
Max. +55 !
Ambient temperature
!10
Voltage tolerance
Continuous operation 100% ED
Duty cycle
Tag connector acc. to DIN EN 175301-803 Form A
Electrical connection
(previously DIN 43650) for cable plug type 2508
(see Ordering chart for accessory on p. 4)
IP 65 with cable plug
Protection class
As required, preferably with actuator upright
Installation
1)
0.1 - 4 seconds
Response times
(depending on ori ce and differential pressure)
1) Measured at valve outlet at 6 bar and +20oC. Opening: pressure build-up 0 to 90%, Closing: pressure relief 100 to 10%

Ordering chart for valves (other versions on requests)
Threaded port, brass body, without cable plug
Item no. per voltage/frequency [V/Hz]
 ce [mm]
/h]
3
Circuit function Port connection Ori Kv value water [m 024/DC 024/50-60 230/50-60
Pressure range [bar]
Seal material NBR
A 2/2-way valve NC
G 1/2134.00.2-16134 317134 318134 320
G 3/4 20 6.40.2-16 134 321134 322134 324
G 1 25 10.00.2-16 134 325134 326134 328
G 1 1/432 20.00.2-16 134 329134 330134 332
G 1 1/240 20.00.2-16 134 333134 334134 336
G 2 50 40.00.2-16 134 337134 338134 340
G 2 1/265 40.00.2-16 134 341134 342134 344
Seal material FKM
G 1/2 13 4.00.2-16 134 345134 346134 348
G 3/4 20 6.40.2-16 134 349134 350134 352
G 1 25 10.00.2-16 134 353134 354134 356
G 1 1/432 20.00.2-16 134 357134 358134 360
G 1 1/240 20.00.2-16 134 361134 362134 364
G 2 50 40.00.2-16 134 365134 366134 368
G 2 1/265 40.00.2-16 134 369134 370134 372
Seal material EPDM
G 1/2 13 4.00.2-16 134 373134 374134 376
G 3/4 20 6.40.2-16 134 377134 378134 380
G 1 25 10.00.2-16 134 381134 382134 384
G 1 1/432 20.00.2-16 134 385134 386134 388
G 1 1/240 20.00.2-16 134 389134 390134 392
G 2 50 40.00.2-16 134 393134 394134 396
G 2 1/265 40.00.2-16 134 397134 398134 400
p. 2/4

5281
Ordering chart for valves (other versions on requests), cont.
Threaded port, brass body, without cable plug
Item no. per voltage/frequency [V/Hz]
 ce [mm]
/h]
3
Circuit function Port connection Ori Kv value water [m 024/DC 024/50 230/50
Pressure range [bar]
Seal material NBR
B 2/2-way valve NO
G 1/2134.00.2-16178 873178 872178 874
G 3/4 20 6.40.2-16 178 876178 875178 877
G 1 25 10.00.2-16 178 879178 878178 881
G 1 1/4 32 20.00.2-16 178 883178 882178 884
G 1 1/2 40 20.00.2-16 178 886178 885178 887
G 2 50 40.00.2-16 178 889178 888178 891

 Threaded port, brass body and manual override, without cable plug
Item no. per voltage/frequency [V/Hz]
 ce [mm]
/h]
3
Circuit function Port connection Ori Kv value water [m 024/DC 024/50-60 230/50-60
Pressure range [bar]
Seal material NBR
A 2/2-way valve NC
G 1/2134.00.2-16139 307139 308138 314
G 3/4 20 6.40.2-16 139 309139 310139 311
G 1 25 10.00.2-16 139 312139 313138 801
G 1 1/432 20.00.2-16 139 314139 315139 316
G 1 1/240 20.00.2-16 139 317139 318139 319
G 2 50 40.00.2-16 139 320139 321139 322
G 2 1/265 40.00.2-16 139 323139 324139 325
Flange acc. to DIN 2501, grey cast iron flange body, without cable plug
Item no. per voltage/frequency [V/Hz]
 ce [mm]
/h]
3
Circuit function Port connection Ori Kv value water [m 024/DC 024/50-60 230/50-60
Pressure range [bar]
Seal material NBR
A 2/2-way valve NC
Flange acc.  2510.00.2-16134 401134 402134 404
DIN 2501
3220.00.2-16134 405134 406134 408
4020.00.2-16134 409134 410134 412
5040.00.2-16134 413134 414134 416

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