4412.1302 Leser United States Sales
If you are looking for a reliable supplier where you can purchase the 4412.1302 Type 441, 442 Full nozzle DIN, ANSI, you are in the right place. ONRION sells all product groups belonging to the Leser brand in the United States market, with fast delivery times and competitive prices.
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Technical Specification
High performance safety valve, type 441 ANSI full nozzle,
closed spring hood, gas-tight cap H2,
for vapors, gases and liquids
Order code output, line 1: K7TM33MB1K4XH03K3FP2AJ36X00L39
Order code output, line 2: H89H79H65H22L8JL64L49H01
Medium: vapors/gases/liquids
vapours/gases/liquids
Case material: (H22)
Housing made of material 1.0619 (GP240GH)
(with 3-fold certificate: WCB, WCC,1.0619)
NPS 1 1/2" diameter inlet
NPS 2 1/2" diameter outlet
d0 (ASMEDIN) [mm] 37.0
Outflow rate F: 0.45
Flange pressure stage entry (H65)
300 lbs according to ASME B 16.5
Flange pressure stage outlet (H79)
150 lbs according to ASME B 16.5
Inlet flange sealing surface: (H89)
serrated spiral finish (Ra = 3.2 - 6.3 μm) according to ASME B16.5
Outlet flange sealing surface: (L39)
serrated spiral finish (Ra = 3.2 - 6.3 μm) according to ASME B16.5
Pressure unit: bar-g
Cold setting pressure [bar-g] 0.00
Cold setting pressure [psi-g] 0.00
Operating temperature: 20
Temperature unit: °C - Celsius
Operating temperature [°C] 20.00
Operating temperature in °F: 68
Seat bushing material (L64)
Seat bush material: 1.4404/316L
plate, metallic/Wst.: (L49)
Made of material: 1.4122
Sealing ring material: (MB1)
Graphite sealing ring/1.4401
Spring material (X00)
standard material
Spring hood material: (J36)
0.7043 (VS 40.3)
Guide wheel material: (K3F)
Guide wheel material: 1.0501
Spindle material (K4X)
Spindle material:1.4021
Pressure screw material: (K7T)
1.4104/ 430F + PTFE/ glass
Ventilation/cap Material: (K8R)
Ventilation/cap Material: 1.0460/ SA-105
Wst stud screws Item 55 (L8J)
Material 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
Locking screw material: (MB5)
Colouring: (P2A)
1-layer coating system in RAL 5005 in accordance with LID 1608.03
Acceptances: (M33)
Proof of the adjustment pressure test (TRB 513 4.2, TRD 504 3.3.4): EN
10204-3.2 (TÜV-Nord)
Material quality certificate 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 Inspection Certificate 3.1 in accordance with DIN
EN 10204