Norgren B38AL Datasheet

See Section ALE-24 for Accessories

Littleton, CO USA Phone [phone] www.norgren.com

B38

● Compact instrument units with high performance

● Stable regulation and temperature compensation

● Excellent flow and regulation characteristics

Instrument Filter/Regulator

Aluminum Model 1/4" PTF

ALE-12-16

ISO Symbols

Automatic Drain, Relieving

Automatic Drain,

Non Relieving

Manual Drain, Relieving

Manual Drain,
Non Relieving

Alternative Models

Port Size Substitute
1/4” PTF 2

Type Substitute
Aluminum 0

Diaphragm Substitute
Relieving 0
Non relieving 1
Relieving, bracket and nut 2
Non relieving, bracket and nut 3
Relieving with nut 4
Non relieving with nut 5

Threads Substitute
PTF A
ISO Rc taper B
ISO G parallel D
API.LP.INT K

Port Size Model Number Flow†scfm (dm3/s) Weight lbs (kg)
1/4" PTF B38-200-B2CA 17 (8) 1.18 (0.53)

Ordering Information. Models listed are relieving type with PTF threads, manual drain, 25 µm element, screw adjustment, 0.6 to 30 psig

(0.04 to 2 bar) outlet pressure adjustment range and without gauge.

Outlet Pressure Adjustment Ranges* Substitute

0.6 to 30 psig (0.04 to 2 bar) C
1 to 60 psig (0.07 to 4 bar) F

3.6 to 100 psig (0.25 to 7 bar) K

Element Substitute
5 µm 1
25 µm 2

83B

★ ★ ★ ★ ★ ★ ★

--

Drain Substitute
Manual B

* 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.

† Typical flow 100 psig (7bar) inlet pressure, 15 psig (1 bar) set pressure, and a droop of 1 psig (0.05 bar) from set.

B38 Instrument Filter/Regulators

Littleton, CO USA Phone [phone] www.norgren.com

ALE-12-17

All Dimensions in Inches (mm)

Technical Data

Fluid: Compressed air
Maximum pressure

Manual drain: 300 psig (20 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 100 psig (7 bar) inlet pressure, 15 psig (1 bar) set pressure and a

droop of 1 psig (0.05 bar) from set:
17 scfm (8 dm

3

/s)
Manual Drain
Nominal bowl size:

2.4 fluid ounce (70 ml)

Gauge ports:

1/4" PTF

Materials

Body: Aluminum
Bonnet: Aluminum
Bowl: Aluminum
Adjusting screw: Steel
Elements

25 µm: High density polyethylene
5 µm: Ceramic pyrolith

Elastomeric materials: Synthetic r ubber

Typical Performance Characteristics

INLET PRESSURE - 100 psig (7 bar g)

FLOW CHARACTERISTICS -

PORT SIZE: 1/4"

0 2 4 6 8 10 dm3/s

AIR FLOW

0 4 8 12 16 20 24 scfm

OUTLET PRESSURE

4

3

2

1

0

bar g

50

40

30

20

10

0

psig

** Minimum clearance required to remove bowl.
Panel mounting hole diameter: 1.65" (42 mm)
Maximum panel thickness: 0.24" (6 mm)

Service Kits

Item Type Part number
30 psig (2 bar) range Relieving R38-100R

Non relieving R38-100NR
60 and 100 psig Relieving R38-101R
(4 bar and 7 bar) range Non relieving R38-101NR
5 micron element B38-100A (5)
25 micron element B38-100A (25)

Service kits includes diaphragm assembly, o-ring, valve, valve
spring and 8 pan head screws.

2.52 (64)

1.26 (32)

REGULATION CHARACTERISTICS - PORT SIZE: 1/4"

MAXIMUM RECOMMENDED

psig

FLOW THROUGH 1/4

bar g

10%

60

100%

4

200%

50

3

40

30

2

OUTLET PRESSURE

20

1

10

"

PIPE

100% FLOW
scfm dm3/s

7.9 3.7

5 2.4

3.6 1.7

2.5 1.2

2.52 (64)

9.17 (233)**

0.51 (13)

1/8" PTF

2.09 (53)

3.11 (79)

2.95 (75)

5.71 (194)

0

0

0 20 40 60 80 100 psig

0 2 4 6 8 bar g

INLET PRESSURE