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F64C, F64H Filter 

Installation & Maintenance Instructions

 7/15

I&M/en 8.240.10501

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 - I&M8075e) © 2015 IMI International s.r.o.

Fluid: Compressed air
Maximum pressure:
Guarded transparent bowl: 10 bar (150 psig)
Metal bowl: 17 bar (250 psig)
Operating temperature*: 
Transparent bowl: –20° ... +50°C (0° ... +125°F)
Metal bowl: –20° ... +65°C (0° ... +150°F)
* Air supply must be dry enough to avoid ice  
formation at temperatures below +2°C (+35°F).
Particle removal: Down to 0,01 µm
Air quality: Within ISO 8573-1, Class 1.7.2
Maximum remaining oil content in outlet air:
0,01 mg/m

3

 at +21°C (+70°F)  

with an inlet concentration of 17 ppm
Maximum flow at 6,3 bar (90 psig) inlet  
pressure**: 16 dm

3

/s (34 scfm) F64C, 28 dm

3

/s 

(60 scfm) F64H
** to maintain stated oil removal performance.
Automatic drain connection: 1/8”
Automatic drain operating conditions: 
Minimum pressure: 0,7 bar (10 psig). Drain 
openswhen bowl pressure drops below 0,2 bar 
(3 psig)
Minimum air flow:  
1 dm

3

/s (2 scfm) required to close drain

Nominal bowl size: 0,2 litre (7 fluid oz)
Materials:
Body: Zinc
Bowl:
Metal: Aluminium
Transparent, optional: Polycarbonate
Metal bowl liquid level indicator lens, standard: 
Grilamid
Metal bowl sight glass, optional: Pyrex
Element: Composite materials
Elastomers: Synthetic rubber
Mechanical service indicator materials:
Body: Transparent Nylon
Internal parts: Acetal
Spring: Stainless steel
Elastomers: NBR

Replacement Items

Service kit,  
contains required items circled: 4380-200
Prismatic sight glass 

4380-040

Pyrex sight glass  4380-041
Filter element:
F64C 4344-01
F64H 4344-02
Manual drain 

684-84

Automatic drain 

3000-97

Mechanical service Indicator (1) 5797-50

Installation

1.Install unit vertically in air line -
• vertically (bowl down),
• with air flow in direction of arrow on body,
• upstream of regulators, lubricators, and   
 cyclingvalves,

• as close as possible to the air supply when  
  used asa main line filter,
• as close as possible to the device being  
  serviced when used as a final filter.
2. Before assembling the basic unit into the yoke  
  the port seal o-rings should be lightly smeared 
  with o-ring grease. 
3. Locate clamp ring under lugs on top of yoke,  
  offerbasic unit into yoke with directional  
  arrows correctly aligned (an interference fit  
  prevents assembly if misaligned) before  
  engaging and fullytightening the clamp ring.
4. Turn bowl or bowl guard fully clockwise into  
  body before pressurizing. Lock symbols on  
  body andbowl guards must align.
5. Auto-drain units may be fitted with a short  
  drain pipe and connector, minimum 5 mm  
  bore, to theG1⁄8 bottom outlet.
6. Push bowl, or bowl with guard, into body and  
  turnfully clockwise before pressurizing.
7. Install a Norgren general purpose filter with a  
  5 µm element upstream of the oil removal filter  
  to obtainmaximum element service life.
8. Turn bowl into body until arrowhead on bowl
  is aligned with or to the right of the arrowhead  
  on the body. 

A

B

C

Servicing

1. Open manual drain to expel accumulated  
  liquids.Keep liquids below element (58, 60).
2. To operate automatic drain manually, lift  
  operatingpin in bottom outlet with a blunt rod. 
3. Replace filter element when pressure drop  
  acrosselement exceeds 0,7 bar (10 psig). The  
  mechanicalservice indicator shows  
  approximately full red.

Diassembly

1. Shut off inlet pressure. Reduce pressure in  
  inletand outlet lines to zero. 
2. For ease of maintenance the unit can be  
  removedfrom the yoke by unscrewing the  
  clamp ring, whichwill jack the unit out down 
 wards. 
3. Lift and turn the filter bowl counterclockwise  
  and remove with bowl o-ring.
4. Disassemble in general accordance with the  
  item numbers on exploded view. Do not  
  remove thedrains or the service indicator  
  unless replacementis necessary. Remove and  
  replace only if theymalfunction.

2

5

3

4

1

16

60

7

61

58

59

8

6

48

32

47

18

31

30

29

43

44

46

45

40

36

38

37

41

42

39

33

35
34

26

22

24

23

27

28

25

19

21

20

Technical features

Option selector

Port

2 1/4”

3 3/8“ 

4 1/2“ 

6 3/4

Servive life indicator

Mechanical service indicator 

Without indicator

Bowl

D Metal

Transparent with guard

Metal with Pyrex sight glass

Element

0 Coalescing

Thread

PTF (1/8 PTF gauge ports)

ISO Rc taper (1/8 ISO Rc gauge ports)

ISO G parallel (1/8 ISO Rc gauge ports)

No thread (basic unit)

F64

˙

 – 

˙˙˙

 – 

˙˙˙

Drain

A Automatic

M Manual

Q  Manual 1/4 turn

Bowl/ 

Element

C Standard

High flow 

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