LESER Spring-loaded safety valve Type 548 serie 433 steel/metal closed bonnet adjustment range 2.91 - 4.3 barg PN40 DN125
- ERIKS:13479224
Type 548 low-light safety device made of steel in a right-angled design with flange, ideal for medium quantities.
The proportional range ensures quiet operation, especially for liquids.
Available with a set pressure of 0.2 barg to 40 barg in the following dimensions.
For more information, visit: https://eriks.com/en/our-locations/
The proportional range ensures quiet operation, especially for liquids.
Available with a set pressure of 0.2 barg to 40 barg in the following dimensions.
- DN15
- DN20
- DN32
- DN40
- DN50
- DN65
- DN80
- DN100
- DN125
- DN150
For more information, visit: https://eriks.com/en/our-locations/
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Brand | LESER |
Series | 433 |
Type | 548 |
Norm | ISO 4126-1 |
Model | Spring-loaded safety valve |
Construction type | Right-angled |
Housing material inlet side | Steel |
Material quality inlet side | 1.0619 |
Housing material outlet side | Steel |
Material quality outlet side | 1.0619 |
Nominal inner diameter inlet side | DN125 |
Connection inlet side | Flange |
Pressure rating inlet side | PN40 |
Nominal inner diameter outlet side | DN125 |
Connection outlet side | Flange |
Pressure rating outlet side | PN40 |
Adjustment range | from 2.91 to 4.3 bar |
Blow-off characteristic | Low-lifting |
Valve bore | 74 mm |
Valve lifter | No |
Gastight valve | Yes |
Spring cap, closed | Yes |
Material spring bonnet | Ductile cast iron |
Material disc | 1.4122 |
Seat material | 1.4404 |
Sealing | Metal |
Spring material | Spring steel |
Spindle material | 1.4404 |
Medium temperature | from -85 to 450 °C |