4414-5682 Leser United States Sales
If you are looking for a reliable supplier where you can purchase the 4414-5682 safety valve, 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
Type 441 ANSI Full Nozzle,
closed spring hood, gas-tight cap H2,
for vapors, gases and liquids
Technical specification:
Order code output, line 1: K7UM33MB1K4ZH03I64J54X00L39H89
Order code output, line 2: H79H65H28L8KL64L44H01
Case material: (H28)
1.4408/CF8M
Nominal size entry NPS 1"
NPS 2 inch diameter outlet
d0 (ASMEDIN) [mm] 23.0
Outflow coefficient D/G: 0.70
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
Response pressure: 18.00
Pressure unit: bar-g
Response pressure [bar-g] 18.00
Response pressure in psi-g: 261.07
Cold setting pressure [bar-g] 18.00
Cold setting pressure [psi-g] 261.07
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.: (L44)
Made from 1.4404/316L
Sealing ring material: (MB1)
Graphite sealing ring/1.4401
Spring material (X00)
standard material
Hood material: (J54)
Spring hood material 1.4408/CF8M, cast version
Guide wheel material: (I64)
Guide wheel material: 1.4401/ 1.4404/ 316/ 316L
Spindle material (K4Z)
Spindle material: 1.4404/316L
Pressure screw material: (K7U)
1.4401/ 1.4404/ 316/ 316L + PTFE/ glass
Ventilation/cap Material: (K8T)
Ventilation/cap material: 1.4404/ 316L
Wst stud screws Item 55 (L8K)
Material stud screws pos. 55:1.4401/A4-70/SA-193+320 B8M
Hexagon nuts Wst. Item 56 (L9K)
Material hexagon nuts Pos. 56:1.4401/A4-70/SA-194-8M
Locking screw material: (MB5)
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