Page 433 - Softbound_Edition_19_en

Proportional spool valve
Proportional spool valve

PERFORMANCE SPECIFICATIONS
Oil viscosity u = 30 mm /s
2
∆p = f (Q) Pressure drop / flow characteristic over 2 control Q = f (I) Volume flow signal characteristics over 2 control
edges edges
[Types: BCA-S, BC1-S, CA2-S, BDA-V, BD1-V, [Types: BCA-S, BC1-S, CA2-S, BDA-V, BD1-V,
DA2-V] DA2-V]
∆p [bar] Q [l/min]
K4249 K4129 100,~200 bar 50 bar
200
40
160 30 bar
30 20 bar
120
20 80 10 bar
10 40
0 0
0 20 40 60 80 100 120 140 160 180 200 Q [l/min] 20 30 40 50 60 70 80 90 100 I [%]

Q = f (p) Leakage volume flow characteristics main stage Q = f (p) Leakage volume flow pilot control stage
L L
per control edge
Q [ml] @ 350 bar, pred 0 bar: 100 ml/min
400 K2092 @ 350 bar, pred 25 bar: 320 ml/min
350
300
250
200
150
100
50 Note! All values were measured over two control edges. The
0 connections A and B were short-circuited.
0 50 100 150 200 250 300 350 p [bar]

ACCESSORIES STANDARDS
Fixing screws Data sheet 1.0-60 Mounting interface ISO 4401-05
Threaded subplates Data sheet 2.9-40 Solenoids DIN VDE 0580
Multi-station subplates Data sheet 2.9-70 Connection execution D EN 175301 – 803
Horizontal mounting blocks Data sheet 2.9-110 Protection class EN 60 529
Contamination efficiency ISO 4406
Technical explanations Data sheet 1.0-100
Filtration Data sheet 1.0-50

SURFACE TREATMENT SEALING MATERIAL
◆ The main valve body, the screw plugs, the slip-on coil and the NBR or FKM (Viton) as standard, choice in the type code
armature tube are zinc-nickel coated
◆ The pilot valve body is coated with a two component paint

www.wandfluh.com Illustrations are not binding Data subject to change 3/4 Edition: 20 08 1.10-3500 E
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