4374.3142
Leser
Compact Performance safety valve, type 437,
closed bonnet, gas-tight cap H2,
for vapours, gases and liquids
Technical specification:
Order code output, line 1: K7UM33K4ZH03X00V54V65L44MA5H01
E-body material : 1.4404/316L
1.4404 / 316L
Outlet body material: (MA5)
1.4401/ 1.4404/ 316/ 316L
Outlet nozzle Material: n.a.
A flange material: n.a.
Weighted Connection Entry: (V54)
External thread G 1/2" according to DIN ISO 228-1
Threaded outlet: (V65)
Internal thread G 1/2" according to DIN ISO 228-1
Nominal size inlet G 1/2"
Nominal size outlet G 1/2"
Pressure stage entry PN 250
Pressure level outlet PN 160
d0 (ASME-DIN) [mm] 10.0
Discharge coefficient D/G: 0.50
Coefficient of discharge F: 0.35
Response pressure: 50.00
Pressure unit: bar-g
Response pressure [bar-g] 50.00
Set pressure in psi-g: 725.19
Cold set pressure [bar-g] 50.00
Cold Set Pressure [psi-g] 725.19
Operating temperature: 40
Temperature unit: °C - Celsius
Operating temperature [°C] 40.00
Operating temperature in °F: 104
Plate, metallic / material: (L44)
made of material 1.4404/ 316L
Spindle material (K4Z)
Spindle material: 1.4404/ 316L
Pressure screw material: (K7U)
1.4401/ 1.4404/ 316/ 316L + PTFE/ glass
Lifting / cap material: (K8T)
Lifting / cap material: 1.4404/ 316L
Spring material (X00)
standard material
Decrease: (M33)
Proof of testing the set pressure (TRB 513 4.2, TRD 504 3.3.4): EN
10204-3.2 (TÜV-Nord)
Material quality verification for: (H01)
Housing – Position 1 with material quality certificate 3.1 according to DIN EN 10204
Documentation: (H03)
LESER CGA Certificate for Global Application Inspection certificate 3.1 according to DIN
EN10204