AIR BREATHER/FILTER

The F1LT0N AIR BREATHER/FILTER is a robust, compact and efficient unit designed to allow flow of clean air to and from

closed chambers where balanced atmospheric pressure is required.

Applications

In gearboxes, bearing housings etc., the rotating parts create

pressures which can cause damage to seals, loss of oil and

complete failure. This problem can be eliminated by fitting a

FILTON AIR BREATHER/FILTER.

It is essential that oil in hydraulic systems is free of external

contaminants. A continuous volume change occurs in the

hydraulic reservoir which can draw atmospheric

contaminants into the system. A clean exchange of air is

assured when a FILTON AIR BREATHER/FILTER is fitted.

A similar problem can occur with liquid storage tanks where

the FILTON AIR BREATHER/FILTER can prevent contamination.

Temperature changes can cause pressure and vacuum to

occur in closed machinery. A FILTON AIR BREATHER/FILTER

will eliminate this problem.

Maintenance

The element does not need replacing, it is easily cleaned by

reverse flow.

Periodically check the element for contamination.

Specials

We can vary the materials of construction or the type of

connecting thread if required.

Specification

1. Locking nut - brass

2. Sealing/lock washer - nitrile rubber and spring steel

3. Element - sintered bronze available in 4 grades,

see table below

4. Cover - stainless steel, type 304

5. Body - brass

Flow Capacity

Grade Particle

Reference Retention Size

Micrometres

A 3 to 6

B 15 to 25

C 30 to 40

D 55 to 75

APPROX. FLOW RATE<

R.i/e"

28

R.1/4"

36

113

153

185

170

255

353

R.3/S" R.t/2"+R.3/4"

50 56

395_____555_

516 798

578

1083

RT+R.I1/4"

2166

3333

5250

8500

* cubic centimetres/second for a pressure drop

of 100mm wg: Pro-rata for other pressure drops.

Dimensions

Part No.

14039

14728

14729

14730

14773

14774

14812

D1A

R.1/8"

R.1/4"

R.3/8"

R.1/2"

R.3/4"

R.1"

R.I1/4"

D2

21

24

35

45

51

80

80

L1

37

45

48

62

66

100

100

L2

10

14

14

19

20

24

26

Dimensions in millimetres

B.S.P. taper threads to B.S.21 and I.S.O.R7

When specifying add the element grade letter as a suffix to the Part No.

^^^^^

FILTON LIMITED

CASWELL ROAD, SYDENHAM INDUSTRIAL ESTATE

ROYAL LEAMINGTON SPA CV31 1QF ENGLAND

Telephone (01926) 423191 Telefax (01926) 450610

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