Norgren B38P Series - Manual

N/en 8.530.350.01
B38P
High flow filter/regulator (stainless steel)
1/4 NPT, 3/8 NPT, G1/4 or G3/8
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
7/14
2011-8168d
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
Medium:
Compressed air only
Maximum inlet pressure:
31 bar (manual drain)
17 bar (autodrain)
Outlet pressure range:
0,5 ... 10 bar
Flow:
40 dm
3 /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):
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.
Technical features
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)
(bar)
Element
(μm)
Flow *2)
(dm 3 /s)
Drain Weight
(kg)
Model
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
*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.
B38P-˙˙˙-˙˙M˙ Option selector
Port size * Substitute
1/4” 2
3/8” 3
Temperature range Substitute
-20 ... +80°C (FPM seals) 5
-40 ... +80°C (NBR seals) 4
Bracket Substitute
Inclusive 2
Without 4
* 1/2” port size on request
Thread form Substitute
NPT A
ISO G parallel G
Element Substitute
5 µm 1
25 µm 2
40 µm 3
Drain Substitute
Automatic A
Manual short bowl B