CAT: BFP/VCAR
VRS
A
X
A1
IE/VRS/001/2011 SHEET: 1/1
5
Q (l/min)
0
1
2
3
01020 30 40 50
90
60 8070
VRS 7
VRS 10
VRS 13
VRS 19
P(bar)
Q (l/min)
0
1
2
3
01020 30 40 50
90
60 8070
VRS 7
VRS 19
VRS 10
VRS 13
P(bar)
VRS ** 1 00 1
A A1A A1
A
D
D
x
d
L
CH
A1
SINGLE ACTING PILOTED CHECK VALVES - IN-LINE MOUNTING
HYDRAULIC FEATURES
Max. working pressure 350 bar
Standard opening pressure 0.5 bar
Max. Leakage (0 ÷ 20 drops/min) 0 ÷ 1 cm
3
/min
Piloting ratio See table
Max. Flow 85 l/min
Hydraulic fluid DIN 51524 Mineral oils
Fluid viscosity 2.8 ÷ 380 mm
2
/s
Fluid temperature -25°C ÷ 75°C
Ambient temperature -25°C ÷ 60°C
Max. contamin. level class with filter ISO 4406:1999 - class 19/17/14
Weight See table
PRESSURE DROPS - FLOWHYDRAULIC SYMBOL
VRS = Simple acting piloted check valves
07 = 1/4 BSP - 1/4 BSP
10 = 1/4 BSP - 3/8 BSP
13 = 1/4 BSP - 1/2 BSP
19 = 1/4 BSP - 3/4 BSP
ORDERING CODE
1 = Serial No.
Series
Size
PILOT CHECK VALVES
00 = No variants
Fluid used: mineral based oil with viscosity
24 mm²/s at 50°C.
Code
Flow
max (l/min)
Pressure
max (bar)
L
(mm)
Ch
(mm)
Piloting
ratio
d D
Weight
(kg)
VRS07
12 350 103 36 1:9 1/4 BSP 1/4 BSP 0.65
VRS10
30 310 109 40 1:6 1/4 BSP 3/8 BSP 0.82
VRS13
45 310 120 42 1:4.5 1/4 BSP 1/2 BSP 0.96
VRS19
85 300 131 55 1:3.7 1/4 BSP 3/4 BSP 1.95
1 = Opening pressure 0.5 bar
(standard)
Variants
The pilot-operated check valve blocks a single-acting actuator in any position.
Tapered poppet in tempered and ground steel, released by feeding the piloted
opening X.
Can be mounted in any position; galvanised.
Page: 56
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