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Operating Manual

Breite: 170 

Höhe:8,15

Oben Links

278,5   20 

RIFOX - Hans Richter GmbH Spezialarmaturen Fon: +49 (0) 421 499 75 - 0          Internet:    www.rifox.de 
Bertha-von-Suttner-Str. 9     D-28207 Bremen Fax: +49 (0) 421 499 75 - 40         Email: [email protected]

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Page 2 of 5

-Di.

 Subject to modifi

 ca

tions

2.2 

Operation limits of housing material (Design)

Max. operating pressure (bar g)

 40               37               33                31

Max. operating temperature (°C)

100

200

    300              400

2.3 

Function limit of control unit

Cross section

Max. line pressure in bar g

IIs

18

IIs-GD*

10

IIs-GD*max                              22

IV-GD*

4

IVs

5

* GD: gastight under-level fl oad control for cold media

2.4 Performance

* GD: gastight under-level fl oad control for cold media

2.5 Function

 Due to its gravity, the condensate fl ows down to the deepest point, i.e. to the condensate trap housing. A rising condensate 

level lifts the fl oat and the valve is opened through the fl oat fork / rotary valve connection. When the condensate level drops, 
the valve closes.

2.6 

Compensation line

 In order to get proper function, the non-condensable gas must be able to leave the housing. Due to the vertical installation, 

the non-condensable gas is able to leave the housing and fl ows into the steam/gas chamber above it, which has the same 
pressure level. If the self-venting through the pipe must be extended, the control screw (6) can be replaced by a cutting ring 
screw bolt and a compensation line can be installed leading upwards. 

2.7 

Automatic venting

 For the steam applications, automatic venting must be provided (vent jet).

Picture 4: Diagram

Flo

w

 ra

te in

 kg

/h

 

Pressure difference in bar (with reference to atmospheric pressure)

                                  

10

100

1.000

0,1

1

10

1.500

22

500

4

50

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