




€771.60/ pieceexcl. VAT
€933.64incl. VAT
Estimated delivery date - 17/12/2026Live Order Tracking
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Brand | LESER |
Series | 440 |
Type | 562 |
Norm | TRD 721 |
Model | Spring-loaded safety valve |
Construction type | Right-angled |
Housing material inlet side | Cast iron |
Material quality inlet side | EN-JL1040 |
Housing material outlet side | Cast iron |
Material quality outlet side | EN-JL1040 |
Nominal inner diameter inlet side | DN32 |
Connection inlet side | Flange |
Pressure rating inlet side | PN16 |
Nominal inner diameter outlet side | DN50 |
Connection outlet side | Flange |
Pressure rating outlet side | PN16 |
Flange finish | Raised face |
Adjustment range | from 4.21 to 6.2 bar |
Blow-off characteristic | High-lifting |
Valve bore | 29 mm |
Valve lifter | Open |
Gastight valve | No |
Spring cap, closed | Yes |
Material spring bonnet | Ductile cast iron |
Material disc | 1.4122 |
Seat material | 1.4404 |
Sealing | EPDM |
Bellows seal | EPDM |
Spring material | Spring steel |
Spindle material | 1.4021 |
Medium temperature | from 0 to 120 °C |