Page 432 - Softbound_Edition_19_en

Proportional spool valve
Proportional spool valve Proportional spool valve

TYPE CODE PERFORMANCE SPECIFICATIONS
2
WVP F A10 - - 90 - - / # Oil viscosity u = 30 mm /s
Spool valve, pilot operated, proportional ∆p = f (Q) Pressure drop / flow characteristic over 2 control Q = f (I) Volume flow signal characteristics over 2 control
edges edges
Flange construction
[Types: BCA-S, BC1-S, CA2-S, BDA-V, BD1-V, [Types: BCA-S, BC1-S, CA2-S, BDA-V, BD1-V,
International standard interface ISO NG10 DA2-V] DA2-V]

Designation of symbols acc. to table ∆p [bar] Q [l/min]
K4249 K4129 100,~200 bar 50 bar
200
Nominal volume flow 40 160 30 bar
30 20 bar
Type of pilot operation: 120
Control oil supply (x) (x) and (y) internally ti 20 80 10 bar
and drain (y) (x) and (y) externally ae 10 40
(x) internally (y) externally xi
(x) externally (y) internally xe 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 [%]
Nominal voltage U N 12 VDC G12
24 VDC G24
Q = f (p) Leakage volume flow characteristics main stage Q = f (p) Leakage volume flow pilot control stage
Slip-on coil Metal housing round W L L
Metal housing square M per control edge
Q [ml] @ 350 bar, pred 0 bar: 100 ml/min
Connection execution Connector socket EN 175301-803/ISO 4400 D 400 K2092
Connector socket AMP Junior-Timer J 350 @ 350 bar, pred 25 bar: 320 ml/min
Connector Deutsch DT04-2P G 300
250
Sealing material NBR 200
FKM (Viton) D1 150
100
Design index (subject to change) 50 Note! All values were measured over two control edges. The
0
1.10-3500 0 50 100 150 200 250 300 350 p [bar] connections A and B were short-circuited.

GENERAL SPECIFICATIONS HYDRAULIC SPECIFICATIONS
Designation Proportional spool valve Working pressure p = 350 bar
max ACCESSORIES STANDARDS
Construction Pilot operated Tank pressure p = 160 bar (type of pilot operation
T max
Mounting Flange construction ae and xi) Fixing screws Data sheet 1.0-60 Mounting interface ISO 4401-05
Nominal size NG10 according to ISO 4401-05 p T max = 100 bar (type of pilot operation ti Threaded subplates Data sheet 2.9-40 Solenoids DIN VDE 0580
Actuation Electrical and xe) Multi-station subplates Data sheet 2.9-70 Connection execution D EN 175301 – 803
Ambient temperature -25…+70 °C (NBR) Pilot pressure p = 25...350 bar Horizontal mounting blocks Data sheet 2.9-110 Protection class EN 60 529
v
-20…+70 °C (FKM) Connection X: Technical explanations Data sheet 1.0-100 Contamination efficiency ISO 4406
if >50 °C, I is only conditionally p = 25...200 bar Filtration Data sheet 1.0-50
v
G
achievable Pressure pilot oil drain Minimum 25 bar lower than p v
Weight 3,5 kg (1 solenoid) Maximum volume flow Q max = 200 l/min, see characteristics
3,9 kg (2 solenoids) Leakage oil See characteristics
MTTFd 150 years Fluid Mineral oil, other fluid on request
2
Viscosity range 12 mm /s…320 mm /s SURFACE TREATMENT SEALING MATERIAL
2
Temperature range -20…+70 °C ◆ The main valve body, the screw plugs, the slip-on coil and the NBR or FKM (Viton) as standard, choice in the type code
ACTUATION fluid armature tube are zinc-nickel coated
Pressure reducing valve Contamination Class 18 / 16 / 13 ◆ The pilot valve body is coated with a two component paint
MDPFA04-P / AB-25 for BCA-S / BDA-V efficiency
MDPFA04-P / B-25 for BC1-S / BD1-V Filtration Required filtration grade ß 6…10 ≥ 75,
MDPFA04-P / A-25 for CA2-S / DA2-V see data sheet 1.0-50
Connector socket EN 175301 – 803

www.wandfluh.com Illustrations are not binding Data subject to change 2/4 Edition: 20 08 1.10-3500 E www.wandfluh.com Illustrations are not binding Data subject to change 3/4 Edition: 20 08 1.10-3500 E
Page 432