APPENDAGES

Safe

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nTec

Boiler Expansion Group DN20

APPENDAGES

Safe

ty b

y Pe

nTec

PenTec bvEdisonweg 73442 AC WoerdenThe Netherlands

Tel. +31 (0)182 503 100 E-mail info@pentecbv.nlInternet www.duco.nl www.pentecbv.nl

Boiler Expansion Group DN2028 mm solder

DUCO Boiler Expansion Group to protect closed potable heated water systems against excessive pressure. The boiler expansion group can be used for appliances such as gas boilers, indirectly fired boilers, electric boilers, close-in kitchen boilers and central heating appliances with tap spiral. The boiler expansion group consists of a shut-off valve, built-in non-return valve, a safety relief valve and a 360º turnable funnel. Max. operating temp. 90ºC / Max cap. 6.200 L/h. at 1 bar ( 10kPa ) differential pressure. In accordance with the EN 1488 the boiler expansion group is available in 6, 7, 8, 9 and 10 bar (KIWA certified is 6, 8 and 10 bar).

Code Set capacity pressure (bar) (kW)

1203-0-16-01 6 150*1203-0-17-01 7 1501203-0-18-01 8 150*1203-0-19-01 9 1501203-0-20-01 10 150** certified

UBIC DN20 (22 mm compression and 28 mm solder)

0

0,1

0,2

0,3

0,4

0,5

0,6

0,7

0,8

0,9

1

0 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 5500 6000 6500

l/h

∆ P

643

2

5

7

1

8

1 inlet2 shut-off valve3 test screw4 build-inn non-return valve5 relief valve6 funnel7 outlet8 adapter flexible hose