18/28/38P Series
High Pressure Filters
Max 520 l/min - 414 bar
Global Filtration Technology
03 HIGH PRESSURE FILTERS 24/10/02 11:13 am Page 103
High Pressure Filters
18/28/38P Series
TYPICAL APPLICATIONS
Injection Moulding
Die Casting
Servo Controls
Machine Tools
Mobile Equipment
Parker Filtration engineered the 18/28/38P series of high pressure filters to
satisfy demanding applications in the mobile and industrial markets
throughout the world. With metric mounting and optional ISO 6149 ports,
this new series is truly a global design.
Installed downstream of the pump, this new series with their wide range of
high capacity Microglass III elements, offer excellent protection to system
components.
Standard filters come complete with industry proven spool type bypass
valve. For more critical applications such as servo or proportional controls, a
no bypass high strength element combination ensures maximum protection.
The modular low hysteresis differential pressure indicator fitted to this series
is unrivaled in its performance. Tests prove its accuracy and foolproof design
to be a major advance in indicator technology.
TYPICAL APPLICATIONS
104
03 HIGH PRESSURE FILTERS 24/10/02 11:13 am Page 104
High Pressure Filters
18/28/38P Series
SPECIFICATION
Maximum Allowable Operating Pressure:
414 bar (6000 psi). Factor safety 3:1
Operating Temperature Range:
-40° to 120°C (-30°F to +250°F)
Materials of Construction:
SG iron head, steel bowl
Ports:
Inlet and outlet ports are threaded internally or flange faced
Port Style Model
18P 28P 38P
BSPF(G)
3
/
4
”1” 1
1
/
4
”, 1
1
/
2
”
SAE 12 16 20, 24
ISO 6149 M27 M33 M42, M48
SAE 6000-config
3
/
4
”1” 1
1
/
4
”
Metric 6000-M config*
3
/
4
”1” 1
1
/
4
”
*6000-M is SAE style with appropriate metric fixing threads
Bypass Valve & Indicator Settings:
Table below gives bypass valve and corresponding indicator
setting
Bypass Indicator
3.5 bar 2.5 bar
7.0 bar 5.0 bar
Weights (kg):
Model Length 1 Length 2
18P 4.2 5.7
28P 6.7 9.2
38P 15.8 20.3
Fluid Compatibility:
Suitable for use with mineral oils, most water glycols and other water
based fluids. For other fluids, please consult Filter Division Europe
Seals:
Head to bowl, diametral with anti-extrusion ring.
Materials - Nitrile or Fluoroelastomer*
Element Condition Indicators: (Differential Pressure Type)
Cartridge type visual, with auto reset. Cartridge type electrical,
with auto reset and socket to DIN43650, protection class IP65
Electrical Ratings:
Power - 5 VA max, Current - 0.25 A max (resistive), Voltage -
28 VDC max, 28 VAC (50-60Hz) max, Contacts - normally
open and normally closed, wired to DIN plug pin code
Filter Elements:
Microglass III supported with epoxy coated steel mesh. (See Table 4).
Element Collapse Rating:
Standard; 20 bar differential minimum. High collapse; 210 bar
differential minimum
*Fluoroelastomers are available under various registered trademarks, including
Viton (a registered trademark of DuPont) and Fluorel (a registered trademark of 3M)
Model
198
(7.79)
293
(11.53)
228
(8.97)
337
(13.26)
329
(12.95)
448
(17.64)
32
(1.26)
40
(1.57)
44
(1.73)
26
(1.02)
29
(1.14)
35
(1.38)
75
(2.95)
93
(3.66)
128
(5.04)
24
(0.94)
40
(1.14)
36
(1.42)
100
(3.94)
98
(3.86)
120
(4.72)
160
(6.30)
40
(1.57)
55
(2.16)
50
(1.97)
20
(0.79)
27.5
(1.07)
25
(0.98)
80
(3.15)
90
(3.54)
120
(4.72)
40
(1.57)
45
(1.77)
60
(2.36)
55
(2.16)
62
(2.44)
81
(3.19)
110
(4.33)
124
(4.88)
162
(6.38)
M8 x 1.25
x12
(0.47)
deep
M10 x 1.5
x11
(0.43)
deep
M10 x 1.5
x12
(0.47)
deep
18P-1
18P-2
28P-1
28P-2
38P-1
38P-2
ABCDEFGHJKLMN P
(A/F)
18P 28P 38P
B
C
Torque
15-20 ft/lbs.
(22-27Nm)
Single Length
(A)
Double Length
(B)
Hex.
23.3
24.0 A/F
Bowl Removal
F
C
B
Single Length
(A)
Double Length
(B)
Bowl Removal
F
Hex.
23.3
24.0 A/F
Torque
25-30 ft/lbs.
(34-40 Nm)
B
C
Single Length
(A)
Double Length
(B)
Bowl Removal
F
Torque
60-70 ft/lbs.
(81-95 Nm)
Hex.
35.38
36.0 A/F
K
G
H
J
L
N
M
15°
4 Mounting Holes (P)
G
H
J
K
L
M
N
4 Mounting Holes (P)
15°
R30
R35
G
J
H
N
M
15°
L
K
R38
4 Mounting Holes (P)
mm
(inches)
D
D
D
105
03 HIGH PRESSURE FILTERS 24/10/02 11:13 am Page 105
Note: For full indicator specifications see Section 6.
Element Condition Indicators:
VISUAL AUTO RESET
CODE M2
48 VAC ELECTRICAL VISUAL INDICATOR
CODE E2
FLANGE FACE DETAILS
High Pressure Filters
18/28/38P Series
INDICATOR DETAILS
B
N/A
Pin 1 – Common
Pin 2 – Normally Closed
Pin 3 – Normally Open
N/A
2.90 (73.7)
1.44 (36.6)
1.44 (36.6)
Option Description Connection/Voltage Wiring “A” “B”
M2
E2
Visual Auto Reset
Electrical – Visual
N/A
Din 43650 3 Pole + Earth
5A@48 VAC, 3A@28VDC
A
B
1
3
2
Model
mm (inches)
11.9
(0.47)
14
(0.55)
15.7
(0.62)
23.8
(0.94)
27.8
(1.09)
31.7
(1.25)
25.4
(1.00)
28.0
(1.10)
33.0
(1.30)
50.8
(2.0)
57.1
(2.25)
66.7
(2.62)
M10 x 1.5-6H x 18 Deep
M12 x 1.75-6H x 20 Deep
M14 x 2-6H x 20 Deep
3
/
8
-16 UNC-2B x 18 Deep
7
/
16
-14 UNC-2B x 20 Deep
1
/
2
-13 UNC-2B x 20 Deep
19.0
(0.75)
25.4
(1.0)
31.8
(1.25)
18P
28P
38P
ABCD E F G
C
D
A
B
Ø G
Thread
E metric
F SAE
106
03 HIGH PRESSURE FILTERS 24/10/02 11:13 am Page 106
High Pressure Filters
18/28/38P Series
18P-1 Empty Housing and High Collapse
28P-1 Element Only
18P-1 Element Only
18P-2 High Collapse Elements Only
28P-2 Element Only
43.5
29.0
0
0 5 11 21
Flow (US GPM)
Flow (l/min)
20 40 8060
0.0
∆p (bar)
20QH
1.0
2.0
3.0
0
0.5
1.5
2.5
16
14.5
∆p (psid)
10QH
05QH
02QH
Empty Housing
100
26
43.5
29.0
0
0 5 11 21
Flow (US GPM)
Flow (l/min)
20 40 8060
0.0
∆p (bar)
20QH
1.0
2.0
3.0
0
0.5
1.5
2.5
16
14.5
∆p (psid)
10QH
05QH
02QH
100
26
43.5
29.0
0
01326 66
Flow (US GPM)
Flow (l/min)
50 100 250200
0.0
∆p (bar)
20Q
1.0
2.0
3.0
0
0.5
1.5
2.5
53
14.5
∆p (psid)
10Q
05Q
02Q
150 300
39 79
43.5
29.0
0
0 5 11 21
Flow (US GPM)
Flow (l/min)
20 40 8060
0.0
∆p (bar)
20Q
1.0
2.0
3.0
0
0.5
1.5
2.5
16
14.5
∆p (psid)
10Q
05Q
02Q
100
26
18P-2 Element Only
43.5
29.0
0
0 5 11 21
Flow (US GPM)
Flow (l/min)
20 40 8060
0.0
∆p (bar)
20Q
1.0
2.0
3.0
0
0.5
1.5
2.5
16
14.5
∆p (psid)
10Q
05Q
02Q
100
26
43.5
29.0
0
01326 66
Flow (US GPM)
Flow (l/min)
50 100 250200
0.0
∆p (bar)
20Q
1.0
2.0
3.0
0
0.5
1.5
2.5
53
14.5
∆p (psid)
10Q
05Q
02Q
150 300
39 79
28P-1 Empty Housing and High Collapse 28P-2 High Collapse Elements Only
43.5
29.0
0
01326 66
Flow (US GPM)
Flow (l/min)
50 100 250200
0.0
∆p (bar)
20QH
1.0
2.0
3.0
0
0.5
1.5
2.5
53
14.5
∆p (psid)
10QH
05QH
02QH
150 300
39 79
Empty Housing
43.5
29.0
0
01326 66
Flow (US GPM)
Flow (l/min)
50 100 250200
0.0
∆p (bar)
20QH
1.0
2.0
3.0
0
0.5
1.5
2.5
53
14.5
∆p (psid)
10QH
05QH
02QH
150 300
39 79
PRESSURE DROP CURVES
If the medium used has a viscosity different from 30 cSt, pressure drop over the filter can be estimated as follows :-
p = ( p30 x viscosity of medium used) / 30 cSt
107
03 HIGH PRESSURE FILTERS 24/10/02 11:13 am Page 107
High Pressure Filters
18/28/38P Series
38P-1 Empty Housing and High Collapse
38P-1 Element Only
38P-2 High Collapse Elements Only
43.5
29.0
0
0 26 53 132
Flow (US GPM)
Flow (l/min)
100 200 500400
0.0
∆p (bar)
20QH
1.0
2.0
3.0
0
0.5
1.5
2.5
106
14.5
∆p (psid)
10QH
05QH
02QH
300
79
Empty Housing
159
600
43.5
29.0
0
0 26 53 132
Flow (US GPM)
Flow (l/min)
100 200 500400
0.0
∆p (bar)
20QH
1.0
2.0
3.0
0
0.5
1.5
2.5
106
14.5
∆p (psid)
10QH
05QH
02QH
300
79 159
600
43.5
29.0
0
0 26 53 132
Flow (US GPM)
Flow (l/min)
100 200 500400
0.0
∆p (bar)
20Q
1.0
2.0
3.0
0
0.5
1.5
2.5
106
14.5
∆p (psid)
10Q
05Q
02Q
300
79
159
600
38P-2 Element Only
43.5
29.0
0
0 26 53 132
Flow (US GPM)
Flow (l/min)
100 200 500400
0.0
∆p (bar)
20Q
1.0
2.0
3.0
0
0.5
1.5
2.5
106
14.5
∆p (psid)
10Q
05Q
02Q
300
79
159
600
02Q
05Q
10Q
20Q
02QH
05QH
10QH
20QH
74
78
67
60
57
61
56
54
111
105
101
100
87
88
80
78
28
28
24
24
24
27
23
22
48
50
48
48
38
38
38
37
7.4
9.4
8.0
8.6
6.3
8.8
7.2
7.2
22.7
23.5
17.2
17.7
17.8
19.6
16.1
12.6
Media 38P-1 38P-2 28P-1 28P-2 18P-1 18P-2
Code (98 psid) (98 psid) (98 psid) (98 psid) (98 psid) (98 psid)
CAPACITY IN GRAMS
108
03 HIGH PRESSURE FILTERS 24/10/02 11:13 am Page 108
High Pressure Filters
18/28/38P Series
Element Service
A. Stop the system s power unit.
B. Relieve any system pressure in the filter line.
C. Drain the filter bowl if drain port option is provided.
D. Rotate the bowl clockwise (left) and remove.
E. Remove element by pulling downward with a slight twisting motion
and discard.
F. Check bowl o-ring and anti-extrusion ring for damage and replace
if necessary.
G. Lubricate element o-ring with system fluid and locate element in
filter head.
H. Install bowl by rotating counter-clockwise (right) and tighten to
specified torque.
18P — 15-20ft. lbs (22-27 Nm)
28P — 25-30ft. lbs (34-40 Nm)
38P — 60-70ft. lbs (81-95 Nm)
I. Confirm there are no leaks after powering the system.
Head Assembly
Element
Bowl
Single length
Double length
Indicators
M2 – Visual autoreset
E2 – Elecrical/Visual
w/DIN connection
Bowl Seal
Bowl Anti-extrusion Ring
*Seal Kit – (Nitrile)
*Seal Kit – (Fluoroelastomer)
1
2
3
4
5
6
7
Index Description
Parts List
6
7
3
2
1
5
4
109
*Includes bowl o-ring, bowl anti-extrusion washer
and indicator o-rings
03 HIGH PRESSURE FILTERS 24/10/02 11:13 am Page 109
Part Number
18P-1-02Q-M2-98-B2B2-1
18P-1-05Q-M2-98-B2B2-1
18P-1-10Q-M2-98-B2B2-1
18P-1-20Q-M2-98-B2B2-1
18P-2-02Q-M2-98-B2B2-1
18P-2-05Q-M2-98-B2B2-1
18P-2-10Q-M2-98-B2B2-1
18P-2-20Q-M2-98-B2B2-1
28P-1-02Q-M2-98-C2C2-1
28P-1-05Q-M2-98-C2C2-1
28P-1-10Q-M2-98-C2C2-1
28P-1-20Q-M2-98-C2C2-1
28P-2-02Q-M2-98-C2C2-1
28P-2-05Q-M2-98-C2C2-1
28P-2-10Q-M2-98-C2C2-1
28P-2-20Q-M2-98-C2C2-1
38P-1-02Q-M2-98-D2D2-1
38P-1-05Q-M2-98-D2D2-1
38P-1-10Q-M2-98-D2D2-1
38P-1-20Q-M2-98-D2D2-1
38P-2-10Q-M2-98-D2D2-1
Part Number
18P-1-02Q-E2-98-B2B2-1
18P-1-05Q-E2-98-B2B2-1
18P-1-10Q-E2-98-B2B2-1
18P-1-20Q-E2-98-B2B2-1
18P-2-02Q-E2-98-B2B2-1
18P-2-05Q-E2-98-B2B2-1
18P-2-10Q-E2-98-B2B2-1
18P-2-20Q-E2-98-B2B2-1
28P-1-02Q-E2-98-C2C2-1
28P-1-05Q-E2-98-C2C2-1
28P-1-10Q-E2-98-C2C2-1
28P-1-20Q-E2-98-C2C2-1
28P-2-02Q-E2-98-C2C2-1
28P-2-05Q-E2-98-C2C2-1
28P-2-10Q-E2-98-C2C2-1
28P-2-20Q-E2-98-C2C2-1
38P-1-02Q-E2-98-D2D2-1
38P-1-05Q-E2-98-D2D2-1
38P-1-10Q-E2-98-D2D2-1
38P-1-20Q-E2-98-D2D2-1
38P-2-10Q-E2-98-D2D2-1
Flow (l/min)
35
60
90
100
60
90
110
130
80
100
150
200
120
160
200
240
130
250
360
450
500
Media Rating
02Q
05Q
10Q
20Q
02Q
05Q
10Q
20Q
02Q
05Q
10Q
20Q
02Q
05Q
10Q
20Q
02Q
05Q
10Q
20Q
10Q
Ports
G
3
/
4
G
3
/
4
G
3
/
4
G
3
/
4
G
3
/
4
G
3
/
4
G
3
/
4
G
3
/
4
G1
G1
G1
G1
G1
G1
G1
G1
G1
1
/
4
G1
1
/
4
G1
1
/
4
G1
1
/
4
G1
1
/
4
Replacement Elements
G04242
G04243
G04244
G04245
G04250
G04251
G04252
G04253
G04258
G04259
G04260
G04261
G04266
G04267
G04268
G04269
G04274
G04275
G04276
G04277
G04284
PREFERRED PRODUCTS TABLE
The following filters are supplied with 7.0 bar bypass and Nitrile seals.
High Pressure Filters
18/28/38P Series
PART NUMBER MATRIX
Table 1 Table 2 Table 3 Table 4 Table 5 Table 6 Table 7 Table 8 Table 9
F3 28P 1 10Q M2 98 C2C2 1 –
Note: Indicator Differential Pressure Settings
2.5 bar with 3.5 bar bypass
5.0 bar with 7.0 bar bypass
5.0 bar with no bypass
MODEL
18P
28P
38P
SYMBOL
B2B2
M4M4
B3B3
Y3Y3
Y9Y9
C2C2
N4N4
C3C3
Y3Y3
Y9Y9
D2D2
E2E2
O4O4
P4P4
D3D3
E3E3
Y3Y3
Y9Y9
Description
G
3
/
4
” Thread
12, SAE Thread
M27, ISO 6149
3
/
4
” 6000-M Flange Face
3
/
4
” 6000-M Config.
Flange Face
G1
16 SAE Thread
M33, ISO 6149
1” 6000-M Flange Face
1” 6000-M Config.
Flange Face
G1
1
/
4
” Thread
G1
1
/
2
” Thread
20 SAE Thread
24 SAE Thread
M42, ISO 6149
M48, ISO 6149
1
1
/
4
” 6000-M Flange Face
1
1
/
4
” 6000-M Config.
Flange Face
SYMBOL
N
M2
V6
E2
TW6
FW6
Description
None
Visual (Auto reset)
FPC Visual (Auto reset)
Visual Electrical Din Plug
FPC Electrical Din Plug
FPC Electronic L.E.D.
SYMBOL
O
F3
Description
Nitrile
Fluoroelastomer*
Ports
Indicator Options
Seals
Table 1
SYMBOL
1
2
Description
Single Length
Double Length
Housing Length
Table 3
Symbol
18P
28P
38P
Model Number
Table 2 Table 5 Table 7
SYMBOL
50
98
X
Description
3.5 bar
7.0 bar
No bypass
Bypass Indicator Setting
Table 6
SYMBOL
I
II
Description
None
No Bypass
Options
Table 8
Applied to the filter assembly by Parker
Filtration.
Design Number
Table 9
Note: Filter assemblies ordered from the Part Number Matrix below are on extended lead times.
Where possible, please make your selection from the table above.
Table 4
Average filtration ratio ß (ISO 16889) / particle size µm(c)
2 10 75 100 200 1000
N/A N/A N/A N/A N/A 4.5
N/A N/A 4.5 5 6 7
N/A 6 8.5 9 10 12
61117182022
CODE
02Q
02QH
05Q
05QH
10Q
10QH
20Q
20QH
Degree of Filtration
110
03 HIGH PRESSURE FILTERS 24/10/02 11:13 am Page 110
