ALFA Series
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149_B |
149_M |
High capacity low and medium pressure gas regulators.They can be used with Natural gas,LPG and other non aggressive gases (air,nitrogen,…) They can be equipped with an OPSO valve against overpressure and an UPSO valve against underpressure.
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Compact and robust design
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Easily dismountable for inspection and maintenance
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Stable outlet pressure thanks to balanced seat design
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Internal limited capacity relief valve (model 1492BF)
Technical specifications
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Inlet pressure range |
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149_B : 0,5 ÷ 5 bar / 149_M : 1 ÷ 5 bar |
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Outlet pressure range |
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149_B : 16 ÷ 120 mbar / 149_M : 95 ÷ 320 mbar |
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Working temperature |
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-20o…+60oC (-4…+140F) |
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Code |
Model |
Connections |
Outlet pressure |
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LOW PRESSURE |
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CN-A10 BP |
ALFA 10 BP |
1" x 1" |
16-110 mbar |
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CN-A20 BP |
ALFA 20 BP |
1" x 1 1/2" |
16-110 mbar |
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CN-A30 BP |
ALFA 30 BP |
DN25 x DN40 |
16-110 mbar |
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CN-A31 BP |
ALFA 31 BP |
DN25 x DN40 |
16-110 mbar |
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CN-A35 BP |
ALFA 35 BP |
DN25 x DN50 |
16-110 mbar |
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CN-A40 BP |
ALFA 40 BP |
DN40 x DN40 |
16-120 mbar |
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CN-A50 BP |
ALFA 50 BP |
DN50 x DN50 |
16-120 mbar |
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CN-A60 BP |
ALFA 60 BP |
DN50 x DN50 |
16-320 mbar |
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CN-A80 BP |
ALFA 80 BP |
DN80 x DN80 |
16-320 mbar |
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CN-A100 BP |
ALFA 100 BP |
DN100 x DN100 |
16-320 mbar |
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CN-A150 BP |
ALFA 150 BP |
DN150 x DN150 |
16-320 mbar |
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MEDIUM PRESSURE |
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CN-A10 MP |
ALFA 10 MP |
1" x 1" |
95-450 mbar |
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CN-A20 MP |
ALFA 20 MP |
1" x 1 1/2" |
95-450 mbar |
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CN-A30 MP |
ALFA 30 MP |
DN25 x DN40 |
95-450 mbar |
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CN-A31 MP |
ALFA 31 MP |
DN25 x DN40 |
95-450 mbar |
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CN-A35 MP |
ALFA 35 MP |
DN25 x DN50 |
95-450 mbar |
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CN-A40 MP |
ALFA 40 MP |
DN40 x DN40 |
110-320 mbar |
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CN-A50 MP |
ALFA 50 MP |
DN50 x DN50 |
110-320 mbar |
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CN-A60 MP |
ALFA 60 MP |
DN50 x DN50 |
0,2-1 bar |
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CN-A80 MP |
ALFA 80 MP |
DN80 x DN80 |
0,2-1 bar |
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CN-A100 MP |
ALFA 100 MP |
DN100 x DN100 |
0,2-1 bar |
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CN-A150 MP |
ALFA 150 MP |
DN150 x DN150 |
0,2-1 bar |
 | | CLESSE low pressure regulators |
| | CLESSE medium pressure regulators |