Parker Hannifin Corporation
Hydraulics Group
Catalogue HY11-3500/UK
6
6-11
Check Valve
Series SPZBE
SPZBE UK.INDD CM 13.07.11
Code Seal
omit NBR
V FPM
Characteristics / Ordering Code
General
Design Threaded cartridge valve
Nominal size NG16 NG25 NG32
Mounting position Optional
Ambient temperature [°C] -40 ... +60
MTTF
D
value [years] 150
Weight [kg] 0.25 0.5 1.2
Hydraulic
Flow direction Port A to B
Fluid Hydraulic oil according to DIN 51524 ...51536
Viscosity recommended [cSt] / [mm²/s] 30 ... 80
permitted [cSt] / [mm²/s] 20 ... 380
Fluid temperature [°C] -20 ... +60
Filtration ISO 4406 (1999); 18/16/13 (meet NAS 1638:7)
Nominal pressure [bar] 350
Opening pressure [bar] 0.1; 0.5; 1.6 and 4.0
Flow [l/min] 250 450 900
Technical data
Seal Factory
norm,
poppet,
direct
operated
Design
series,
screwed
cover
Check
valve
Valve
size
Slip-in
valve
Flow
direction
A to B
Opening
pressure
Code Pressure [bar]
L 0.1
N 0.5
S 1.6
U 4.0
BEZSP E1010
Ordering code
The check valves series SPZBE are slip-in cartridge
valves. The function unit is fixed inside the manifold by a
hexagonal plug with slot.
The design is based on CE series with same poppet
and sleeve. The different mounting cavity has to be
considered.
Features
• Little space required
• Leak-free from port B to A
• 4 different opening pressures
Code Size
16 NG16
25 NG25
32 NG32
Parker Hannifin Corporation
Hydraulics Group
Catalogue HY11-3500/UK
6
6-12
SPZBE UK.INDD CM 13.07.11
Check Valve
Series SPZBE
Dimensions NG16 NG25 NG32
D 40 55 72
L 72.5 89 109.5
d M33x2 G1½" G2"
l 66 80.5 99.5
SW 17 24 32
Tightening torque
1)
[Nm]
± 15%
225 300 550
NG NBR seals FPM seals
16 SK-SPZBE10E16 SK-SPZBE10E16V
25 SK-SPZBE10E25 SK-SPZBE10E25V
32 SK-SPZBE10E32 SK-SPZBE10E32V
Dimensions
Performance Curves / Dimensions
Mounting cavity
Dp/Q performance curves
Seal kits Springs
Spring Type
Ordering Number
NG16 NG25 NG32
L 0.1 bar 45051368 45051375 45051376
N 0.5 bar 45051369 45051374 45051377
S 1.6 bar 45051370 45051372 45051378
U 4.0 bar 45051371 45051373 45051379
Size NG16 NG25 NG32
d1 18 25.5 36
d2
H7
25 34 45
d3 31 45 57
d5 M33x2 G1½" G2"
d6
min
41 56 73
t2
+0.1
66 80.5 99.5
t3 53 66.5 84.5
t4 2 2.5 2.5
t5 21 25 30
t6
min
16 16 24
t6
max
52.5 66 84
t7 6.5 6.5 10
All characteristic curves measured with HLP46 at 50°C.
1)
Please note the material specification for tightening torque in chapter 12,
"accessories"
