4421.4385
Leser
High performance safety valve, type 442 DIN,
open spring hood, lifting H3,
for vapours, gases and liquids
+
H01 material quality certificate
+
H03 tests, acceptances
+
M33 tests, acceptances
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Technical specification:
Order code output, line 1: K7TM33MB1K4XH03K3IP2AJ36X00H88
Order code output, line 2: H84H51H45H23L8JL64L49H01
Medium: vapours/gases/liquids
Vapours/Gases/Liquids
Housing material: (H23)
0.7043 (GGG40.3)
Note on materials: different material will be delivered!
Nominal size inlet DN 25
Nominal size outlet DN 40
d0 (ASME-DIN) [mm] 23.0
Coefficient of discharge F: 0.45
Flange rating inlet (H45)
PN 16 according to DIN EN 1092
Flange rating outlet (H51)
PN 16 according to DIN EN 1092
Flange facing inlet: (H84)
Form B1 (rough) according to DIN EN 1092
Flange sealing surface outlet: (H88)
Form B1 (rough) according to DIN EN 1092
Pressure unit: bar-g
Cold set pressure [bar-g] 0.00
Cold Set Pressure [psi-g] 0.00
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
Sealing ring material: (MB1)
Sealing ring made of graphite/1.4401
Spring cap material: (J36)
0.7043 (GGG 40.3)
Spring material (X00)
standard material
Color scheme: (P2A)
1-layer coating system in RAL 5005 according to LID 1608.03
Guide washer material: (K3I)
Guide washer material: 1.4104/ 430F
Spindle material (K4X)
Spindle material:1.4021
Pressure screw material: (K7T)
1.4104/ 430F + PTFE/ glass
Stud bolts material item 55 (L8J)
Material stud bolts item 55: 1.7225/ SA-193 B7/ SA-320 L7
Hexagon nuts material item 56 (L9J)
Material hexagon nuts item 56: 1.7225 / SA-194 size 7 / SA-320 7L
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
OFFER ! : Please specify response pressure when ordering!
General information
We offer a standard type. Please check the execution