Norgren B38P User Manual
High flow filter/regulator designed for
use in corrosive environment
Metallic parts meet NACE* Standard MR-01-75
Applications include marine environment,
oil and gas productions
* National Association of Corrosion Engineers – recognised oil-field recommendation for
resistance to sulphide stress cracking common in well-head and other corrosive environments
Technical features
Medium:
Compressed air only
Maximum inlet pressure:
31 bar (manual drain)
17 bar (autodrain)
Outlet pressure range:
0,5 ... 10 bar
Flow:
40 dm3/s
Element:
5, 25 or40 μm
Port sizes:
1/4 NPT, 3/8 NPT, G1/4 or G3/8
1/4 PTF (gauge) and
1/4 NPT (automatic drain)
Drain:
Manual or automatic
Automatic drain operation
conditions (float operated):
B38P
High flow filter/regulator (stainless steel)
1/4 NPT, 3/8 NPT, G1/4 or G3/8
To close: > 0,3 bar,
To open: < 0,2 bar
Minimum air flow required to
close 1 dm
3
/s
Ambient/Media temperature:
-20 ... +80°C (FPM seals)
-40 ... +80°C (NBR seals)
Air supply must be dry enough
to avoid ice formation at
temperatures below +2°C.
Materials:
Body, bowl, bonnet, filter element
and adjusting screw:
316 stainless steel
Elastomers: FPM or NBR
Technical data, standard model, relieving and panel nut
Symbol Port size Outlet pressure *1)
*1) Outlet pressure can be adjusted to pressures in excess of, and less than,
those specified. Do not use these units to control pressures outside of the
specified ranges.
*2) Typical flow with 10 bar inlet pressure, 6,3 bar set pressure and a 1 bar drop
from set.
(bar)
1/4 NPT 0,5 ... 10 5 40 Manual 1,61 B38P-254-B1MA
3/8 NPT 0,5 ... 10 5 40 Manual 1,60 B38P-354-B1MA
1/4 NPT 0,5 ... 10 5 40 Automatic 1,74 B38P-254-A1MA
3/8 NPT 0,5 ... 10 5 40 Automatic 1,73 B38P-354-A1MA
Option selector
Port size * Substitute
1/4”
3/8”
Temperature range Substitute
-20 ... +80°C (FPM seals)
-40 ... +80°C (NBR seals)
Bracket Substitute
Inclusive
Without
* 1/2” port size on request
2
3
5
4
2
4
Element
(μm)
Flow *2)
3
/s)
(dm
B38P-˙˙˙-˙˙M˙
Drain Weight
(kg)
Model
Thread form Substitute
NPT
ISO G parallel
Element Substitute
5 µm
25 µm
40 µm
Drain Substitute
Automatic
Manual short bowl
A
G
1
2
3
A
B
7/14 2011-8168d
Our policy is one of continued research and development. We therefore reserve the right to amend,
without notice, the specifications given in this document. © 2014 Norgren China
N/en 8.530.350.01
B38P
Flow characteristics
Inlet pressure: 10 bar, filter element: 5 μm, port size: 1/4 NPT
bar
8
6
4
2
Outlet pressureOutlet pressure (P2)
0
0
10 20 30 40
Flow
Regulating characteristics
bar
8
6
4
4 bar (0,37 dm /s)
2
2,5 bar (0,25 dm /s)
0
0
6,3 bar (0,56 dm /s)
Regulation 10 % flow Regulation 100 % flow
8 bar (0,7 dm /s)
3
3
3
21 43 65 87 10 11 bar9
8,0 bar
6,3 bar
4,0 bar
2,5 bar
3
dm
/s
bar
3
8
6
4
4 bar (3,7 dm /s)
Outlet pressure (P2)
2
0
0
6,3 bar (5,6 dm /s)
3
2,5 bar (2,5 dm /s)
21 43 76 9 108 bar
3
3
8 bar (7 dm /s)
3
Inlet pressure (P1)Inlet pressure (P1)
Accessories
Panel nut Neck mounting bracket Gauge *1) Plastic adjusting knob
5988-02 18-001-973 (includes panel nut) 18-013-913 (0 ... 6 bar, -40 ... 65°C) 74630-04
18-013-909 (0 ... 10 bar, -40 ... 65°C)
*1) Stainless steel items not strictly to NACE standard MR-01-75.
Spare parts Filter element
Reparatursatz
A080823-01 *2)
A080823-03 *3)
A080823-02 *4)
A080823-04 *5)
*2) manual drain, FPM
*3) manual drain, NBR
*4) auto drain, FPM
*5) auto drain, NBR
Filter element
5 µm: 5984-01
25 µm: A080874-02
40 µm: A080874-03
N/en 8.530.350.02
Our policy is one of continued research and development. We therefore reserve the right to amend,
without notice, the specifications given in this document. © 2014 Norgren China
2011-8168d 7/14
Loading...