Page 972 - Softbound_Edition_19_en

Proportional pressure relief valve
Proportional pressure relief valve Proportional pressure relief valve

GENERAL SPECIFICATIONS HYDRAULIC SPECIFICATIONS DIMENSIONS
Designation Proprtional pressure relief valve with Working pressure p = 400 bar
max
inverse function Nominal pressure P = 20 bar, 100 bar, 160 bar, 200 bar, 315 X
N
Construction Direct operated range bar, 350 bar s30
Mounting Screw-in cartridge construction Adjustable via adjustment screw (-20 % 15
Nominal size M22 x 1,5 according to ISO 7789 / +30 %) 76.8 MD=10Nm M22x1.5
Actuation Proportional solenoid Maximum volume flow Q = 25 l/min (p = 20 / 100 / 160 / 200 37.1 s6 (2)
max
N
Ambient temperature -25…+70 °C bar) E (1)
Weight 0,60 kg Q = 15 l/min (p = 315 / 350 bar) W = X *
N
max
Q = 5 l/min
MTTFd 150 years max HYDRAULIC CONNECTION
Minimum volume flow Q = 0,2 l/min 12 17 10 18 50 70 60 Cavity drawing according to ISO 7789–22–02–0–98
min
Leakage oil See characteristics MD=5Nm
Hysteresis ≤ 4 % at optimal dither signal 34.7 78.4 37
ELECTRICAL SPECIFICATIONS 150.1 M22x1.5
Repeatability ≤ 2 % at optimal dither signal
Protection class Connection execution D: IP65 Fluid Mineral oil, other fluid on request
Connection execution J: IP66 Viscosity range 12 mm /s…320 mm /s
2
2
Connection execution G: IP67 and IP69K (2)
Relative duty factor 100 % DF Temperature range -25…+70 °C (NBR)
-20…+70 °C (FKM)
fluid
Standard nominal 12 VDC, 24 VDC Contamination Class 18 / 16 / 13 74.8 (1)
voltage efficiency 35
Limiting current at I = 1320 mA (U = 12VDC) Filtration Required filtration grade ß 6…10 ≥ 75, M = (1)
G
N
50 °C I = 660 mA (U = 24VDC)
G N see data sheet 1.0-50
Note! Other electrical specifications see data sheet 1.1-173 10 Note! For detailed cavity drawing and cavity tools see data
(slip-on coil W) and 1.1-174 (slip-on coil M) E = Air bleed screw sheet 2.13-1003
*Adjustment screw for adjusting the nominal pressure
PERFORMANCE SPECIFICATIONS
Oil viscosity u = 30 mm /s PARTS LIST COMMISSIONING
2
p = f (Q) Pressure volume flow characteristics p = f (Q) Pressure volume flow characteristics When commissioning, the valve must be vented under pressure as
red red Position Article Description
Adjusted at Q = 1 l/min at nominal pressure Minimal adjustable pressure follows (see detail X in Dimensions):
10 206.2… W.S37 / 19 x 50
p [bar] p [bar] P N = 200 bar P N = 160 bar 260.5… M.S35 / 19 x 50
400 K0842 50 K0843 ◆ Loosen lock nut
P N = 350 bar P N = 315 bar P N = 100 bar 154.2700 Knurled nut ◆ Remove screw (E)
300 P N = 315 bar 40 153.2401 Dichtmutter Norm „Seal-Lock” 8 Zi - Ni M8 Push the non-return valve (with pin or hex key < 1,3 mm)
30 ◆
200 P N = 200 bar P N = 20 bar 160.2187 O-ring ID 18,72 x 2,62 (NBR) ◆ Screw-in the screw (E)
P N = 160 bar 20 Adjust the required pressure and tighten the lock nut
100 P N = 100 bar 10 P N = 350 bar 160.2170 O-ring ID 17,17 x 1,78 (NBR) ◆
P N = 20 bar 160.2188 O-ring ID 18,77 x 1,78 (NBR)
0 0
0 5 10 15 20 25 Q [l/min] 0 5 10 15 20 25 Q [l/min] 160.6188 O-ring ID 18,77 x 1,78 (FKM) Attention! Therewith oil flows out with the corresponding
160.2140 O-ring ID 14,00 x 1,78 (NBR) pressure! Cover with a cloth.
160.6141 O-ring ID 14,00 x 1,78 (FKM)
p = f (n) Pressure adjustment characteristics Q = f (p) Leakage volume flow characteristic
red L 049.3177 Back-up ring rd 14,6 x 17,5 x 1,4
Measured at Q = 1 l/min
p [%] Q [cm /min]
3
125 K0844 40 K0845
100 30
75
20
50
25 10
0 0
0 10 20 30 40 50 60 70 80 90 100 I [%] 0 50 100 150 200 250 300 350 p [bar]

www.wandfluh.com Illustrations are not binding Data subject to change 2/4 Edition: 19 29 2.3-548 E www.wandfluh.com Illustrations are not binding Data subject to change 3/4 Edition: 19 29 2.3-548 E
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