VALVES
2
VAL-271
For further information www.norgren.com
0 7 14 21 28 35 42 49 56
(200) (400) (600) (800) (1000) (1200) (1400) (1600)
Flow in SCFM (Nl/min)
Forward Flow Characteristics
Supply Pressure 160 psig (11bar)
Outlet
Pressure
in
psig
(bar)
145
131
115
102
87
73
58
44
29
15
0
(10)
(9)
(8)
(7)
(6)
(5)
(4)
(3)
(2)
(1)
(-2000) (-1500) (-1000) (-500)
Relief Flow Characteristics
Supply Pressure 131 psig (9 bar)
Flow SCFM (Nl/min)
(9)
(8)
(7)
(6)
(5)
(4)
(3)
(2)
(1)
0
Outlet
Pressure
in
psig
(bar)
131
116
102
87
73
58
44
29
15
0
-70 -53 -35 -18 0
Characteristic curves
General dimensions
.79 (20)
2.16 (55)*
31
1.42 (36)
.79 (20)
4.47
(114)
5.21
(133)
1.38
(35)
.37
(7)
2
1.97 (50)
M 12
?
?
**
23
8,5
1.10 (28)
?
1
3
.83
(21)
96
(25)
.96
(25)
.42
(11)
?
**
G1/4 optional 1/4 NPT
.35
(9)
?
9
*
2.60 (66) for manifold
mounting version
Instrument pin configuration M12 x 1 (5 pin)
User functionality options
Password protection
Display set-up Display language
Pressure units
Offline set-up
Online set-up
Speed set-up 0 fastest to 7 slowest
Monitor set-up Analogue 0 ... 10 V
Monitor output Hi = P2 > x psi
Hi = P2 OK
Local control Manual control
Max./min. ramp
Max./min. stairs
Device
database
Read only data: unit
specific
Tag number
Help display
Factory
defaults
Restore factory defaults
Pin Designation Color*
1 +24V d.c. supply brown/red
2 1 v/bar monitor output white
3 Control signal (+ve) blue
4 Common (d.c. supply, signal
and feedback return) black
5 Chassis (earth) grey/green/yellow
Accessories
Designation Specification Type
Connectors with cable M12 x 1.5 pin; 16 ft (5m) 5 x 0.34 mm2 0250081000000000
M12 x 1.5 pin; 30 ft (10 m) 5 x 0.34 mm2 0250472000000000
*Manifold Mounting Kit Interface plate, gasket, mounting screws ZZ5M00
For ISO 2 Manifold see website
Electrical information
Dimensions in inches (mm)
Electromagnetic compatibility CE marked: conforms to EC
requirements EN 50081-2 (1994) and
EN 50082-2 (1995)
Electrical input signal 4 ... 20 mA or 0 ... 10 V factory set
Electrical power input 24 V d.c. ±25% (power consumption < 1 W)
Output pressure feedback signal User configurable 0 ... 10V analog
or Hi-Lo mode
1
2 3
4
5
VP51
Programmable proportional pressure
control valve G¼, ¼ NPT
