beautypg.com

Caleffi 551 User Manual

Page 2

background image

Technical
characteristics

Product range

551002

Ш 22

551003

3/4”

551005

3/4”

551006

1”

551007

1 1/4”

551008

1 1/2”

551009

2”

551902

Ш 22

551905

3/4”

551906

1”

551052

DN 50

551062

DN 65

551082

DN 80

551102

DN 100

551122

DN 125

551152

DN 150

551053

DN 50

551063

DN 65

551083

DN 80

551103

DN 100

551123

DN 125

551153

DN 150

551200*

DN 200

551250*

DN 250

551300*

DN 300

2

Compact versions

Threaded connections
Materials:

- body:

brass EN 12165 CW617N

- int. element:

PA66G30 stainless steel (compact version)

- float:

PP

- floating guide and stem:

brass EN 12164 CW614N

- float lever and spring:

stainless steel

- hydraulic seal:

EPDM

Medium:

water, glycol solution

Max. percentage of glycol:

50%

Max. working pressure:

10 bar

Max. discharge pressure:

10 bar

Temperature range:

0–110°C

Connections:

- main:

- Ø 22 mm compression end; 3/4” F

- 3/4”, 1”, 1 1/4”, 1 1/2”, 2” F

- drain:

1/2” F (with plug)

Flanged and welded connections
Materials: - body:

epoxy resin coated steel

- int. element:

stainless steel

- air vent body:

brass EN 12165 CW617N (DN 200–DN 300),

chrome plated

- air float:

PP

- air floating guide and stem:

brass EN 12164 CW614N

- air float lever and spring:

stainless steel

- fydraulic seal:

EPDM

- drain cock (DN 50–DN 150):

brass EN 12165 CW617N

- shut-of and drain valve

body (DN 200–DN 300): brass EN 12165 CW617N, chrome plated

Medium:

water, glycol solution non hazardous, therefore

excluded from the guidelines of 67/548/CEE Directive

Max. percentage of glycol:

50%

Max. working pressure:

10 bar

Max. discharge pressure:

10 bar

Temperature range:

0–110°C

Connections:

- flanged:

PN 16: DN 50–DN 150; PN 10: DN 200–DN 300

- welded:

DN 50–DN 150

- temperature probe:

1/2” inlet/outlet (DN 200–DN 300)

- drain:

1” M (with plug); 2” F (DN 200–DN 300)

*

Without insulation and with floor supports