Caleffi 551 - Manual (Page 2)

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