LESER Spring-loaded safety valve Type 11521 serie 437 stainless steel/metal gastight closed bonnet adjustment range 2.76 - 4.75 barg 1/2" NPT
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Brand | LESER |
Series | 437 |
Type | 11521 |
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 | 1.4404 |
Nominal inner diameter inlet side | 1/2" (15) |
Connection inlet side | External thread (NPT) |
Standard connection inlet side | ASME B1.20.1 |
Nominal inner diameter outlet side | 1/2" (15) |
Connection outlet side | Internal thread (NPT) |
Standard connection outlet side | ASME B1.20.1 |
Adjustment range | from 2.76 to 4.75 bar |
Blow-off characteristic | Low-lifting |
Valve bore | 10 mm |
Valve lifter | No |
Gastight valve | Yes |
Spring cap, closed | Yes |
Material spring bonnet | 1.4404 |
Material disc | 1.4404 |
Seat material | 1.4404 |
Sealing | Metal |
Bellows seal | No |
Spring material | 1.4310 |
Spindle material | 1.4404 |
Medium temperature | from -270 to 280 °C |