4414.4642 Leser Poland Sales
If you are looking for a reliable supplier where you can purchase the 4414.4642 Pressure Relief Valve, you are in the right place. E-SUPTEC PL sells in the Poland marketLeser all product groups belonging to the brand, with fast delivery times and competitive prices.
Technical Specification
LESER Order Code
K7UM33MB1K4ZH03M53I63J54X00H88H84H51H47H28L8KL64L44H01J85
Set Pressure 10,00 bar-g
Cold Differential Test Pressure 10,00 bar-g
Min. superimp. back pressure 0,00 bar-g
Max. superimp. back pressure -
Operating Temperature 20 °C
Built-up Back Pressure 0,00 bar-g
Lifting Device H2 Cap, screwed
Valve Type Conventional Design
Standard Dimensions (a, b, H) 105 mm, 100 mm, 334 mm
d₀ 23,0 mm
Discharge Area 415,5 mm²
Orifice acc. to API 526 not applicable
Kd (S/G) ASME | PED 0,699 | 0,700 Standard
Kd (L) ASME | PED 0,521 | 0,450 Standard
Inlet Connection PN 40 DIN EN 1092
DN 25
Form B1: "rough" DIN EN 1092
Outlet Connection PN 16 DIN EN 1092
DN 40
Form B1: "rough" DIN EN 1092
Body Material 1.4408/SA-351 CF8M - SS
Nozzle / Seat Material 1.4404/316L - SS
Bonnet Material 1.4408/SA-351 CF8M - SS
Disc Material 1.4404/316L - SS
Spring Material 1.4310 - Stainless Steel
Pressure limit spring min. [bar-g] 9,01
Pressure limit springmax. [bar-g] 15,20