10275057 4373.2604 Compact Performance safety valve by Leser
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The Leser 10275057 4373.2604 is a Type 437 Compact Performance safety valve engineered for vapors, gases, and liquids. It features a closed spring hood with gas-tight ventilation H4. The inlet and outlet nominal diameters are both G 3/4", utilizing a G 3/4" external thread entry in accordance with DIN ISO 228-1 and a G 3/4" internal thread exit. It has an inlet pressure level of PN 250 and an outlet pressure level of PN 160, with a d0 (ASME-DIN) of 10.0 mm. The unit operates at a response pressure and cold setting pressure of 11.00 bar-g (159.54 psi-g) at an operating temperature of 20 °C (68 °F). The valve construction incorporates a 1.4104/430 E-body material, 1.4104/430F outlet housing, 1.4122 metallic plate, 1.4021 spindle, and a 1.4104/430F + PTFE/glass pressure screw. It is finished with a 1-layer coating system in RAL 5005.
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Characteristics
| Manufacturer | Leser |
|---|---|
| Part number | 10275057 4373.2604 |
| Inner Code | 4885351 |
| Custom Code | 84814010 |
Technical specification
| Product type | Compact Performance safety valve |
|---|---|
| Type | 437 |
| Nominal diameter inlet | G 3/4" |
| Nominal diameter outlet | G 3/4" |
| Pressure level entry | PN 250 |
| Pressure level outlet | PN 160 |
| d0 (ASME-DIN) | 10.0 mm |
| Response pressure | 11.00 bar-g |
| Cold setting pressure | 11.00 bar-g |
| Operating temperature | 20.00 °C |
| E-body material | 1.4104/430 |
| Outlet housing material | 1.4104/ 430F |
| Metallic plate material | 1.4122 |
| Spindle material | 1.4021 |