| BRAND | Leser |
| Product | 4414.4642 |
| Description | Pressure Relief Valve |
| Internal code | IMP4667608 |
| Custom code | 84814010 |
| Technical specification | high performance safety valve, type 441 DIN, closed spring cover, gas-tight cap H2, for vapors, gases and liquids Order code output, line 1: K7UM33MB1K4ZH03M53I63J54X00H88 Order code output, line 2: H84H51H47H28L8KL64L44H01J85 Housing material: (H28) 1.4408/CF8M Nominal width inlet DN 25 Nominal width outlet DN 40 d0 (ASME DIN) [mm] 23.0 Outflow rate D/G: 0.70 Outflow rate F: 0.45 Inlet flange pressure stage (H47) PN 40 in accordance with DIN EN 1092 Outlet flange pressure stage (H51) PN 16 in accordance with DIN EN 1092 Inlet flange sealing surface: (H84) Form B1 (rough) according to DIN EN 1092 Outlet flange sealing surface: (H88) Form B1 (rough) according to DIN EN 1092 Response pressure: 10.00 Pressure unit: bar-g Response pressure [bar-g] 10.00 Response pressure in psi-g: 145.04 Cold adjustment pressure [bar-g] 10.00 Cold adjustment pressure [psi-g] 145.04 Working temperature: 20 Temperature unit: °C - Celsius Operating temperature [°C] 20.00 Operating temperature in °F: 68 Plate, metallic/Wst.: (L44) Made from 1.4404/316L Sealing ring material: (MB1) Graphite/1.4401 sealing ring Spring cover material: (J54) Spring cover material 1.4408/CF8M, cast version Spring material (X00) standard material Valve treatment: (J85) Oil-free and grease-free cleaning for standard requirements (not for oxygen), including white light test Guide plate material: (I63) Guide plate material: 1.4404/316L Spindle material (K4Z) Spindle material: 1.4404/316L Pressure screw material: (K7U) 1.4401/ 1.4404/ 316/ 316L + PTFE/ glass Wst. Stud screws Position 55 (L8K) Material studs Pos. 55:1.4401/A4-70/SA-193+320 B8M Hexagon nuts Wst. Item 56 (L9K) Material hexagon nuts Pos. 56:1.4401/A4-70/SA-194-8M Acceptances: (M33) Proof of testing the setting pressure (TRB 513 4.2, TRD 504 3.3.4): EN 10204-3.2 (TÜV-Nord) Material quality certificate for: (H01) Housing — position 1 with material quality certificate 3.1 in accordance with DIN EN 10204 Documentation: (H03) LESER CGA Certificate for Global Application Acceptance Test Certificate 3.1 according to DIN EN 10204 Documentation: (M53) Acceptance test certificate 3.1 in accordance with DIN EN 10204: Test for freedom from oil and grease in accordance with LGS 0210 |
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