LESER Spring-loaded safety valve Type 1528 series 459 stainless steel/metal gastight closed bonnet adjustment range 2.51 - 3.7 barg inlet 1" BSPP outlet 1.1/2" BSPP
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Brand | LESER |
Series | 459 |
Type | 1528 |
Norm | ISO 4126-1 |
Model | Spring-loaded safety valve |
Construction type | Right-angled |
Housing material inlet side | Stainless steel |
Material quality inlet side | 1.4404 |
Housing material outlet side | Stainless steel |
Material quality outlet side | 1.4408 |
Nominal inner diameter inlet side | 1" (25) |
Connection inlet side | External thread (BSPP) |
Standard connection inlet side | ISO 228-1 |
Nominal inner diameter outlet side | 1.1/2" (40) |
Connection outlet side | Internal thread (BSPP) |
Standard connection outlet side | ISO 228-1 |
Adjustment range | from 2.51 to 3.7 bar |
Blow-off characteristic | High-lifting |
Valve bore | 17.5 mm |
Valve lifter | No |
Gastight valve | Yes |
Spring cap, closed | Yes |
Material spring bonnet | 1.4408 |
Material disc | 1.4404 |
Seat material | 1.4404 |
Sealing | Metal |
Bellows seal | No |
Spring material | 1.4310 |
Spindle material | 1.4404 |
Medium temperature | from -200 to 300 °C |