4414.4642 Leser United Kingdom 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. RADWARD sells all product groups belonging to the Leser brand in the United Kingdom market, 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