Norgren F18 Installation Instructions

F18

Installation & Maintenance

Instructions

DISASSEMBLY

1. Filter can be disassembled without removal from air line.

2. Shut off inlet pressure. Reduce pressure in inlet and outlet
lines to zero.

3. Disassemble in general accordance with the item numbers
on exploded view. Do not remove the drains or the service
indicators (1, 6) unless replacement is necessary. Remove
and replace only if they malfunction.

CLEANING

1. Clean mechanical indicator lens (3) with warm water only.
Clean electrical indicator (6) with dry, clean cloth. Clean
other parts with warm water and soap.

2. Rinse and dry parts. Blow out internal passages in body
(14) with clean, dry compressed air. Blow air through filter
element (17) from inside to outside to remove surface
contaminants.

3. Inspect parts. Replace those found to be damaged.

ASSEMBLY

1. Lubricate o-rings with o-ring grease.

2. Bowl Assembly (Current and 1996 Bowls)
If the 1/4 turn manual drain was removed, lubricate the
portion of the drain body (21, 34) that contacts the bowl,
and the hole in the manual drain body that accommodates
the stem of drain valve (22, 35) with o-ring grease. Press
body (21, 34) thru hole from inside of bowl. Place retainer
o-ring (23, 36) over body (21, 34) and position in groove.
Press drain valve (22, 35) thru hole in body (21, 34).
Assemble the liquid indicator parts to bowl as shown on
the exploded view. Tighten screws (27, 40) to
1,7 to 3,4 N-m (15 to 30 inch-pounds).

3. Bowl Assembly (1990 - 1995 Bowl)
Tighten drain nut (55, 59) to 2,3 to 2,8 N-m (20 to 25 inch­pounds). Assemble the liquid indicator parts (47 thru 51)
to bowl. Apply a 0,9 to 1,8 kg (2 to 4 pound) clamping
force to upper and lower brackets (48) to pull brackets
together. Tighten screws (47) to 0,9 to 1,1 N-m (8 to 10
inch-pounds).

4. Bowl Assembly (Bowl Prior to 1990)
Tighten drain nut (63, 67) to 2,3 to 2,8 N-m (20 to 25 inch­pounds). Assemble the liquid indicator parts to bowl as
shown on the exploded view. Tighten retainer (69) to
1,1 to 1,7 N-m (10 to 15 inch-pounds).

5. Lubricate male threads on metal bowl (53, 74) and
intermediate body (15, 15A) with a small amount of anti­seize compound.

6. Assemble filter as shown on the exploded view. Arrows on
indicator (3, 8) and body (14) must point in same
direction. Tighten screws (2, 7) to 2,8 to 3,9 N-m
(25 to 35 inch-pounds). Install element (17) with the larger
end against end cap gasket (18). Tighten end cap (19) to
7,9 to 8,5 N-m (70 to 75 inch-pounds). Tighten
intermediate body (15, 15A) to approximately
16 N-m (12 foot-pounds) - snug with two hands.

7. Bowl Installation (Current and 1996 Bowls)
Push bowl assembly (20, 33) into intermediate body and
turn fully clockwise.

8. Bowl Installation (All Bowls Prior to 1996)
Turn bowl assembly (46, 61) fully into intermediate body,
approximately five full turns. Unscrew bowl no more than
one full turn to position liquid level lens for best visibility.

CAUTION

Water vapor will pass through these units and could
condense into liquid form downstream as air temperature
drops. Install an air dryer if water condensation could have a
detrimental effect on the application.

WARNING

These products are intended for use in industrial
compressed air systems only. Do not use these products
where pressures and temperatures can exceed those listed
under Technical Data.

Before using these products with fluids other than air, for
nonindustrial applications, or for life-support systems consult
Norgren.

TECHNICAL DATA

Fluid: Compressed air
Maximum pressure: 17 bar (250 psig)
Operating temperature:* -34° to +80°C (-30° to +175°F)
* Air supply must be dry enough to avoid ice formation at

temperatures below +2°C (+35°F)

Particle removal: 5 µm, 25 µm, 40 µm, or 75 µm filter

element

Air quality: Within ISO 8573-1, Class 3 and Class 5

(particulates)

Typical flow with a 40 µm element at 6,3 bar (90 psig) inlet

pressure and 0,5 bar (7 psid ) pressure drop:
1" ports: 765 dm

3

/s (1625 scfm)
Nominal bowl size: 0,2 litre (7 fluid ounce)
Drain connection: 1/8" pipe thread
Automatic drain operating conditions (float operated):

Bowl pressure required to close drain: Greater than

0,3 bar (5 psig)

Bowl pressure required to open drain: Less than

0,2 bar (3 psig)

Minimum air flow required to close drain:

1 dm

3

/s (2 scfm)

Manual operation: Depress pin inside drain outlet

Materials:

Body: Aluminum
Intermediate: Aluminum
Bowl: Aluminum
Bowl sight glass: Transparent nylon
Filter element: Sintered bronze
Elastomers: Neoprene and nitrile

REPLACEMENT ITEMS

Service kit

(includes items circled on exploded view)

...5945-50

Liquid level lens kit

Current, 1996 (27, 29, 30, 31, 40, 42, 43, 44)...4380-050

1990 - 1995 (47, 49 thru 52) ...............................2273-20

Prior to 1990 (70, 71, 72)....................................2273-08

Filter element, 5µm (17) ..........................................5882-11

Filter element, 25µm (17) ........................................5882-12

Filter element, 40µm (17) ........................................5882-13

Filter element, 75µm (17) ........................................5882-14

Mechanical service Indicator (1)..............................5797-50

Electrical service Indicator (6) ...............................4020-51R

Manual drain, 1/4 turn (21, 22, 23) (34, 35, 36) .......619-50

Manual drain, petcock (54, 62)................................2796-52

Automatic drain........................................................3000-10

INSTALLATION

1. Shut-off air pressure. Install filter in air line -

● vertically (bowl down),

● with air flow in direction of arrow on body,

● upstream of regulators, lubricators, and cycling

valves,

● as close as possible to the air supply when used as a

main line filter,

● as close as possible to the device being serviced

when used as a final filter.

2. Connect piping to proper ports using pipe thread sealant

on male threads only. Do not allow sealant to enter

interior of unit.

3. Before applying air pressure, make sure bowls (32, 45,

53, 74) are turned fully into intermediate body (15, 15A).

See steps 7 and 8 of ASSEMBLY.

4. Flexible tube with 3mm (0.125") minimum I.D. can be

connected to the automatic drain. Avoid restrictions in

the tube.

SERVICING

1. Open manual drain to expel accumulated liquids. Keep

liquids below top of liquid level lens.

2. Clean or replace filter element when pressure drop

across element exceeds 0,7 bar (10 psig). Optional

mechanical service indicator shows approximately all red

and optional electrical service indicator provides an

electrical output when pressure drop reaches 0,7 bar (10

psig).

© Norgren 2001

IM-350.100

(5/01)

General Purpose Filter

F18 - ★★★ - ★★★★

Thread Form

A....PTF

B....ISO Rc taper

G....ISO G parallel

Port

B....1-1/2"

C....2"

Bowl

D...0,2 litre (7 fluid ounce)

metal with sight glass

M ..0,2 litre (7 fluid ounce)

metal without sight glass

Drain

A....Automatic

M...Manual, 1/4 turn

Element

1....5µm

2....25µm

3....40µm

4....75µm

Service Indicator

00..Without

01..With mechanical
indicator

04..With electrical
service indicator

* See Norgren publication IM-900.920 for specifications and electrical wire connections of the optional electric service

indicator.

1

13

14

16

15
15A

20

33

6

17

18

19

Current Bowl Configuration

21

24

26

23

22

25

Bowl Configuration 1996

34

37

39

36

35

38

Bowl Configuration 1990 - 1995

58

56

57

54

55

54A

Bowl Configuration Prior to 1990

61

64

65

62

63

62A

60

59

66

68

67

7

8

12

1011

43

49

48

73

2

4

3

5

9A

9

31

32
30

29

28

27

44

45

42

41

40

46

52

53

49

48

47

51

50

51

47

74

71

72

71
70

69

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