Norgren B38SS Series Datasheets - Manual (Page 2)

B38 Stainless Steel Filter/Regulator
ALE-16-13
All Dimensions in Inches (mm)
Littleton, CO USA Phone 303-794-2611 www.norgren.com
Technical Data
Fluid: Compressed air
Maximum pressure
Manual drain: 450 psig (31 bar)
Automatic drain: 250 psig (17 bar)
Operating temperature: -40° to 175°F (-40° to 80°C) *
* Air supply must be dry enough to avoid ice formation at temperatures below 35°F (2°C).
Particle removal: 5 µm or 25 µm filter element
Air quality: Within ISO 8573-1, Class 3 and Class 5 (particulates)
Typical flow with 175 psig (12 bar) inlet pressure, 115 psig (8 bar) set pressure and
a droop of 15 psig (1.0 bar) from set
1/4": 15 scfm (7 dm
3 /s)
1/2": 106 scfm (50 dm 3 /s)
Automatic drain connection: Will fit 1/8-27 and 1/8-28 pipe thread
Automatic drain operating conditions (float operated)
Bowl pressure required to close drain: Greater than 5 psig (0.3 bar)
Bowl pressure required to open drain: Less than 3 psig (0.2 bar)
Minimum air flow required to close drain 2 scfm (1 dm
3 /s)
Nominal bowl size
Short bowl with manual drain: 25 ml (1 fluid ounce)
Long bowl with manual drain: 3 fluid ounce (90 ml)
Long bowl with automatic drain: 1 fluid ounce (25 ml)
Gauge ports:
1/4" PTF
Relief port:
1/8" PTF
Materials (standard option)
Body: Stainless steel
Bonnet: Stainless steel
Bowl: Stainless steel
Adjusting screw: Stainless steel
Elements
5 µm & 25 µm: High density polyethylene
1/4" only 5 µm: Ceramic pyrolith
Elastomeric materials: Synthetic rubber
Typical Performance Characteristics
INLET PRESSURE - 175 psig (12 bar g)
FLOW CHARACTERISTICS - PORT SIZE: 1/2"
0 20 40 60 80 100 dm 3 /s
AIR FLOW
0 40 80 120 160 200 240 scfm
OUTLET PRESSURE
16
12
8
4
0
bar g
200
160
120
80
40
0
psig
INLET PRESSURE - 175 psig (12 bar g)
FLOW CHARACTERISTICS - PORT SIZE: 1/4"
0 4 8 12 16 20 dm 3 /s
AIR FLOW
0 8 16 24 32 40 48 scfm
OUTLET PRESSURE
16
12
8
4
0
bar g
200
160
120
80
40
0
psig
0.51 (13)
2.52 (64)
2.52 (64) 2.95 (75)
(1.26 (32)
5.71 (194)
2.09 (53)
3.23 (82)
∅1.65 (42)
9.61 (244)
2.09 (53)
5.20 (132)
∅1.65 (42)
5.32 (135)**
7.28 (185)**
1/8" PTF
0.51 (13)
2.88 (73)
2.52 (64) 2.95 (75)
1.26 (32)
11.14 (283)
2.37 (62)
6.38 (162)
∅1.65 (42)
8.47 (215)**
10.75 (273)
2.37 (62)
5.98 (152)
∅1.65 (42)
8.01 (205)**
** Minimum clearance required to remove bowl.
1/4” Port Size
Manual Drain, Short Bowl
1/4” Port Size
Automatic Drain, Long Bowl
1/2” Port Size
Manual Drain, Long Bowl 1/2” Port Size
Automatic Drain, Long Bowl
Panel mounting hole diameter: 1.65" (42 mm)
Maximum panel thickness: 0.24" (6 mm)
Service Kits (standard option)
1/4" Regulator
1/2" Regulator
Item Type Part number
30 psig spring
Relieving R38-100R
Non relieving R38-100NR
60 & 100 psig Relieving R38-101R
spring Non relieving R38-101NR
150 psig spring
Relieving R38-102R
Non relieving R38-102NR
Item Type Part number
All available Relieving 2787-41
spring ranges Non relieving 2787-42
Item Part number
5 µm B38-100A (5)
25 µm B38-100S (25)
Item Part number
5 µm 2787-43
25 µm 2787-44
Automatic Drain Assembly
Item Part number
Automatic Drain Assembly 3000-90
Filter service kits include element, seals and screws.
Regulator service kits include diaphragm assembly,
o-ring,valve, valve spring and 8 pan head screws.
1/4" Filter
1/2" Filter