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Leser - 4412.4514

Manufacturer Leser
Part Number 4412.4514
Inner Code 3762289
Description High performance safety valve
Custom Code 84814010
Technical specification

4412.4514

High performance safety valve, type 441 DIN,
closed spring cover, gas-tight ventilation H4,
for vapors, gases and liquids
M33 tests, approvals
H03 Tests, Approvals
H01 Material quality certificate

Weight: 9,600 KG/ST

Article number: 84814010

Technical specification:

Ordercode output, line 1: K7TM33MB1K4XH03K3IP2AJ36X00H88
Order code output, line 2: H84H51H47H22L8JL64L49H01
Case material: (H22)
Housing made of material 1.0619 (GP240GH)
(with triple certification: WCB, WCC, 0619)
Nominal inlet diameter DN 25
Outlet nominal diameter DN 40
d0 (ASME-DIN) [mm] 23.0
Outflow rate D/G: 0.70
Flow rate F: 0.45
Inlet flange pressure level (H47)
PN 40 in accordance with DIN EN 1092
Outlet flange pressure stage (H51)
PN 16 in accordance with DIN EN 1092
Inlet flange sealing surface: (H84)
Form B1 (rough) according to DIN EN 1092
Outlet flange sealing surface: (H88)
Form B1 (rough) according to DIN EN 1092
Response pressure: 6.00
Pressure unit: bar-g
Response pressure [bar-g] 6,00
Response pressure in psi-g: 87.02
Cold setting pressure [bar-g] 6.00
Cold set pressure [psi-g] 87.02
operating temperature: 20
Temperature unit: °C - Celsius
Operating temperature [°C] 20.00
Operating temperature in °F: 68
Plate, metallic/Wst.: (L49)
Made of material: 1.4122
Seal ring material: (MB1)
Graphite/1.4401 sealing ring
Spring hood material: (J36)
0.7043 (GGG 40.3)
Spring material (X00)
standard material
Coating system: (P2A)
1-layer coating system in RAL 5005 in accordance with LID 1608.03
Guide disc material: (K3I)
Guide disc material: 1.4104/ 430F
Spindle material (K4X)
Spindle material:1.4021
Pressure screw material: (K7T)
1.4104/ 430F + PTFE/ glass
Wst stud screws Item 55 (L8J)
Material of stud screws Pos. 55:1.7225/ SA-193 B7/ SA-320 L7
Hexagon nuts Wst. Item 56 (L9J)
Material hexagon nuts Pos. 56:1.7225/SA-194 size 7/SA-320 7L
Approvals: (M33)
Proof of testing the set pressure (TRB 513 4.2, TRD 504 3.3.4): EN
10204-3.2 (TÜV-Nord)

Certificate of material quality for: (H01)
Housing — position 1 with material quality certificate 3.1 in accordance with DIN EN 10204
Documentation: (H03)
LESER CGA Certificate for Global Application Acceptance Test Certificate 3.1 in accordance with DIN
EN 10204
Weight 9.6

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