4412.4534 Leser United States Sales
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Technical Specification
4412.4534
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: 17,200 KG/ST
Article number: 84814010
Technical specification:
Ordercode output, line 1: K7TM33MB1K4XH03K3FP2AJ36X00H88
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 40
Outlet nominal diameter DN 65
d0 (ASME-DIN) [mm] 37.0
Outflow rate D/G: 0.60
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
Outlet flange hole pattern: 4 bolt circle 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: 0.49
Pressure unit: bar-g
Response pressure [bar-g] 0.49
Response pressure in psi-g: 7.11
Cold setting pressure [bar-g] 0.49
Cold set pressure [psi-g] 7.11
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 wheel material: (K3F)
Guide disc material: 1.0501
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