Download Print this page
Norgren B38 Installation & Maintenance Instructions

Norgren B38 Installation & Maintenance Instructions

Stainless steel, precision filter/regulator

Advertisement

Quick Links

Material
4....Stainless steel (standard)
5....Stainless steel and FPM
Port
Material
2 1/4"
4 Stainless steel
(standard)
5 Stainless steel and FPM
* 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.
Technical Data
Fluid: Compressed air
Maximum pressure:
Stainless steel
Manual drain: 31 bar (450 psig)
Automatic drain: 17 bar (245 psig)
* Outlet pressure can be adjusted to pressures in excess of, and less than, those specified. Do not use these units to control
Operating temperature*:
pressures outside of the specified ranges.
-40° ... +80°C (-40° ... +176°F)
* Air supply must be dry enough to avoid ice formati-
TECHNICAL DATA
on at temperatures below +2°C (+35°F).
Fluid: Compressed air
Particle removal: 5 μm or 25 μm filter element
Maximum pressure:
Air quality: Within ISO 8573-1, Class 3 and Class 5
Manual drain: 31 bar (450 psig)
(particulates)
Automatic drain: 17 bar (247 psig)
Typical flow with 7 bar (100 psig) inlet pressure, 1
Operating temperature*: -40° ... +80°C
bar (15 psig) set pressure and 0,05 bar (1 psig) droop
(-40° ... +176°F)*
from set: 8 dm3/s (17 scfm)
* Air supply must be dry enough to avoid ice formation at
Automatic drain connection: 1/4" PTF
temperatures below +2°C (+36°F).
Automatic drain operating conditions
Particle removal: 5 μm or 25 μm filter element
(float operated):
Air quality: Within ISO 8573-1, Class 3 and Class 5
Bowl pressure required to close drain: Greater
(particulates)
than 0,3 bar (5 psig)
Typical flow with 7 bar (102 psig) inlet pressure, 1 bar (14.5
Bowl pressure required to open drain:
psig) set pressure and 0,05 bar (0,7 psig) drop from set: 8
Less than 0,2 bar (3 psig)
dm3/s (17 scfm)
Minimum air flow required to close drain:
Automatic drain connection: 1/4" PTF
1 dm3/s (2 scfm)
Automatic drain operating conditions
Gauge ports:
(float operated):
1⁄4" as per main ports
Bowl pressure required to close drain: Greater
Materials:
than 0,3 bar (4,4 psig)
Body: Stainless steel
Bowl pressure required to open drain:
Bonnet: Stainless steel
Less than 0,2 bar (3 psig)
Bowl: Stainless steel
Minimum air flow required to close drain:
Adjusting screw: Stainless steel
1 dm3/s (2 scfm)
Element
Gauge ports:
5 μm: Stainless steel
1⁄4" as per main ports
25 μm: Vyon
Materials:
Elastomers: Synthetic rubber
Body: Stainless steel
Diaphragm insert: Acetal resin, stainless steel and
nitrile
Bonnet: Stainless steel
Other parts stainless steel
Bowl: Stainless steel
Replacement items
Adjusting screw: Stainless steel
Service Kit (includes items circled on exploded view):
Element
Relieving
5 μm: Stainless steel
2 bar
25 μm: Vyon
4 & 7 bar
Elastomers: Synthetic rubber
10 bar
Diaphragm insert: Acetal resin, stainless steel and nitrile
Non relieving
Other parts stainless steel
2 bar
4 & 7 bar
REPLACEMENT ITEMS
10 bar
Service Kit (includes items circled on exploded view):
Filter section
Relieving
5 μm stainless steel
2 bar
25 μm stainless steel
4 & 7 bar
5 μm viton and stainless steel
10 bar
25 μm stainless steel
Non relieving
Auto drain (replacement)
2 bar
Panel Mounting Dimensions
4 & 7 bar
Panel mounting hole diameter: 42 mm (1,65")
10 bar
Panel thickness: 0 .... 6 mm (0" ... 0,24")
Filter section
Installation
5 μm stainless steel
1. Shut off air pressure. Install filter/regulator in air
25 μm stainless steel
line -
5 μm viton and stainless steel
• vertically (bowl down),
25 μm stainless steel
• with air flow in direction of arrow on body,
Auto drain (replacement)
• upstream of lubricators and cycling valves,
• as close as possible to the device being serviced.
PANEL MOUNTING DIMENSIONS
2. Connect piping to proper ports using pipe thread
Panel mounting hole diameter: 41 mm (1.61")
sealant on male threads only. Do not allow sealant
Maximum panel thickness: 0 ... 6 mm (0 ... 0.24")
to enter interior of unit.
3. Install a pressure gauge or plug the gauge ports.
INSTALLATION
Gauge ports can also be used as additional outlets
1. Shut off air pressure. Install filter/regulator in air line
for regulated air.
• vertically (bowl down),
• with air flow in direction of arrow on body.
• upstream of lubricators and cycling valves,
1/14
1999-IM8150b
• as close as possible to the device being serviced.
Stainless steel instrument regulator
Options
B38 - HHH - HHHH
0....Stainless steel, relieving
1....Stainless steel, non-relieving
2....Stainless steel, relieving with bracket and panel nut
3....Stainless steel, non-relieving with bracket and panel nut
4....Stainless steel, relieving with panel nut
Diaphragm
5....Stainless steel, non-relieving with panel nut
0 Stainless steel, relieving
6....Stainless steel, relieving with handwheel and panel nut
1 Stainless steel, non-relieving
7....Stainless steel, non-relieving with handwheel and panel nut
2 Stainless steel, relieving with bracket and panel nut
8....Stainless steel, relieving with handwheel, bracket and panel nut
9....Stainless steel, non-relieving with handwheel, bracket and panel nut
3 Stainless steel, non-relieving with bracket and panel nut
4 Stainless steel, relieving with panel nut
5 Stainless steel, non-relieving with panel nut
Adjustment
6 Stainless steel, relieving with handwheel and panel nut
1. Before applying inlet pressure to filter/regulator,
7 Stainless steel, non-relieving with handwheel and panel nut
turn adjustment (2) counterclockwise to remove
8 Stainless steel, relieving with handwheel, bracket and panel nut
all force on regulating spring (7).
9 Stainless steel, non-relieving with handwheel, bracket and panel nut
2. Apply inlet pressure, then turn adjustment (2)
clockwise to increase and counterclockwise to
decrease outlet pressure setting.
3. Always approach the desired pressure from a
lower pressure. When reducing from a higher to a
2. Connect piping to proper ports using pipe thread
lower setting, first reduce to some pressure less
sealant on male threads only. Do not allow sealant to
than that desired, then bring up to the desired
enter interior of unit.
pressure.
3. Install a pressure gauge or plug the gauge ports.
NOTE
Gauge ports can also be used as additional outlets for
With non-relieving filter/regulators, make
regulated air.
pressure reductions with some air flow in the
system. If made under no flow (dead-end)
ADJUSTMENT
conditions, the filter/regulator will trap the over-
1. Before applying inlet pressure to filter/regulator, turn
pressure in the downstream line.
adjustment (2) counterclockwise to remove all force on
4. Once required pressure is achieved tighten
regulating spring (7).
locknut (3) to lock setting.
2. Apply inlet pressure, then turn adjustment (1) clockwise to
Servicing
increase and counterclockwise to decrease outlet pressure
1. For manual drain models, regularly open drain
setting.
to expel accumulated liquids. Keep liquids below
3. Always approach the desired pressure from a lower
element retainer (13).
pressure. When reducing from a higher to a lower
2. At approximately 6 month intervals it is advisable
setting, first reduce to some pressure less than that
to remove the bowl assembly by removing the
desired, then bring up to the desired pressure.
securing screws (4) and unscrewing the element
retainer (13) to remove the element (15) for
NOTE
inspection. Since the direction of air flow is from
With non-relieving filter/regulators, make pressure
the inside of the element to the outside, a clean
reductions with some air flow in the system. If made
exterior is not an an indication of freedom from
under no flow (dead-end) conditions, the filter/
contamination. If the filter element shows
regulator will trap the over-pressure in the downstream
evidence of blockage, replace with new element.
line.
Clean the element retainer (13) and the upper and
lower gaskets (14) before replacing the filter
4. Tighten locknut (3) to lock pressure setting.
element –avoiding excessive overtightening of the
retainer. Inspect the bowl O-ring (16) for damage
SERVICING
and renew if necessary.
1. For manual drain models, regularly open drain to
3. Clean or replace filter element when dirty.
expel accumulated liquids. Keep liquids below element
Disassembly
retainer (13).
1.Filter/Regulator can be disassembled without
2. At approximately 6 month intervals it is advisable to
removal from air line.
remove the bowl assembly by removing the securing
2. Shut off inlet pressure. Reduce pressure in inlet
R38-100R
screws (4) and unscrewing the element retainer (13)
and outlet lines to zero.
R38-101R
to remove the element (15) for inspection. Since the
3. Turn adjustment screw fully counterclockwise.
R38-102R
direction of air flow is from the inside of the element
4. Disassemble in general accordance with the item
to the outside, a clean exterior is not an indication of
R38-100NR
numbers on exploded view. Do not remove the
freedom from contamination. If the filter element
R38-101NR
drains unless replacement is necessary. Remove
shows evidence of blockage, replace with new element.
and replace drains only if they malfunction.
R38-102NR
Clean the element retainer (13) and the upper and
Cleaning
lower gaskets (14) before replacing the filter element
1. Rinse and dry parts. Blow out internal passages
B38-100S(5)
R38-100R
–avoiding excessive overtightening of the retainer.
in body (30) with clean, dry compressed air. Blow
B38-100S(25)
R38-101R
Inspect the bowl O-ring (16) for damage and renew if
B38-150S(5)
air through filter element (15) from inside to
R38-102R
necessary.
B38-150S(25)
outside to remove surface contaminants.
3. Clean or replace filter element when dirty.
3000-90
2. Inspect parts. Replace those found to be
R38-100NR
damaged.
R38-101NR
DISASSEMBLY
Assembly
R38-102NR
1.
Filter/regulator can be disassembled without removal
1. Lubricate threads and nose of adjusting screw
from air line.
(2) at regular intervals with suitable grease eg.
B38-100S-5
2. Shut off inlet pressure. Reduce pressure in inlet and
Speerol APT2.
B38-100S-25
outlet lines to zero.
2. Lubricate seals (16, 36, 37) with light coat of good
B38-150S-5
3. Turn adjustment screw fully counterclockwise.
quality grease.
B38-150S-25
4. Disassemble in general accordance with the item
3. Assemble the unit as shown on the exploded view.
3000-90
numbers on exploded view. Do not remove the drain
4. Torque Table
Item
unless replacement is necessary. Remove and replace
4 (screws, stainless steel model) 7,3/3,3 (66/30)
drain only if it malfunctions.
CLEANING
1. Rinse and dry parts. Blow out internal passages in body
(30) with clean, dry compressed air. Blow air through
filter element (15) from inside to outside to remove
surface contaminants.
2. Inspect parts. Replace those found to be damaged.
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 IMI International s.r.o.
Our policy is one of continued research and development. We therefore reserve the right to amend,
without notice, the specifications given in this document. (1999-xxxxb) © 2020 IMI International s.r.o.
B38 - Installation & Maintenance Instructions
B38 - Stainless Steel, Precision Filter/Regulator
B38 – 2˙˙ – ˙˙˙A
Drain
A....Automatic
B....Manual
Drain
Element
A Automatic
1
B Manual
2
Nm (Inch-Pounds)
Installation & Maintenance Instructions
Spring (Outlet Pressure Range) *
C....0,04 ... 2 bar (0.6 ... 30 psig)
F ....0,07 ... 4 bar (1 ... 60 psig)
K....0,25 ... 7 bar (3,6 ... 100 psig)
M...0,5 ... 10 bar (7.2 ... 150 psig)
Spring (Outlet Pressure Range) *
Element
5 μm
C 0,04 ... 2 bar (0,5 ... 29 psig)
1
5 μm
25 μm
F 0,07 ... 4 bar (1 ... 58 psig)
2
25 μm
K 0,25 ... 7 bar (3,6 ... 102 psig)
M 0,4 ... 10 bar (5,8 ... 145 psig)
1
2
3
4
5
6
7
8
32
36
34
35
33
37
38
30
16
14
15
14
13
11
4
N/IM/en 8.446.307.01
Thread Form
A PTF
17
19
18
21
20
4
4/19
IM/en 8.446.307.01

Advertisement

loading

Summary of Contents for Norgren B38

  • Page 1 B38 - Installation & Maintenance Instructions B38 - Stainless Steel, Precision Filter/Regulator Stainless steel instrument regulator Installation & Maintenance Instructions B38 – 2˙˙ – ˙˙˙A Spring (Outlet Pressure Range) * Material 4..Stainless steel (standard) Options C..0,04 ... 2 bar (0.6 ... 30 psig) 5..Stainless steel and FPM...
  • Page 2 B38 - Stainless Steel, Precision Filter/Regulator Installation & Maintenance Instructions ASSEMBLY 1. Lubricate threads and nose of adjusting screw (2) at regular intervals with suitable grease eg. Speerol APT2. 2. Lubricate seals (16, 36, 37) with light coat of good quality grease.