4373.2604
Leser
Compact Performance safety valve, type 437,
closed spring hood, gas-tight lifting H4,
for vapours, gases and liquids
Technical specification:
Order code output, line 1: K7TM33K4XH03P2AX00V54V65L49MB8
Order code output, line 2: (H01)
E body material: 1.4104/430
1.4104 / 430
Outlet body material: (MB8)
Outlet body material:1.4104/ 430F
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: 9.00
Pressure unit: bar-g
Response pressure [bar-g] 9.00
Set pressure in psi-g: 130.53
Cold set pressure [bar-g] 9.00
Cold Set Pressure [psi-g] 130.53
Operating temperature: 20
Temperature unit: °C - Celsius
Operating temperature [°C] 20.00
Operating temperature in °F: 68
Plate, metallic / material: (L49)
made of material: 1.4122
Spindle material (K4X)
Spindle material:1.4021
Pressure screw material: (K7T)
1.4104/ 430F + PTFE/ glass
Lifting / cap material: (K8Y)
Lifting / cap Material: 1.4104/ 430F + FKM
Spring material (X00)
standard material
Color scheme: (P2A)
1-layer coating system in RAL 5005 according to LID 1608.03
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