4414.7942 Leser United States Sales
If you are looking for a reliable supplier where you can purchase the 4414.7942 High performance safety valve, type 441 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
closed spring cap, gas-tight cap H2,
for vapors, gases and liquids
Technical specification:
Order code issue, line 1: K7UM48MB1K4ZH03J45I63J54X00L39
Order code issue, line 2: H89H79H65H28L8KL64L44H01L59
Case material: (H28)
1,4408/CF8M
Nominal size entry NPS 2"
Nominal size outlet NPS 3"
d0 (ASME-DIN) [mm] 46.0
Flow rate D/G: 0.70
Flow rate F: 0.45
flange compression stage inlet (H65)
300 lbs according to ASME B 16.5
Outlet flange compression stage (H79)
150 lbs according to ASME B 16.5
Flange seal face inlet: (H89)
serrated spiral finish (Ra = 3.2 - 6.3 μm) according to ASME B16.5
flange sealing surface outlet: (L39)
serrated spiral finish (Ra = 3.2 - 6.3 μm) according to ASME B16.5
Response pressure: 25.00
Pressure unit: bar-g
response pressure [bar-g] 25,00
response pressure in psi-g: 362.59
Cold set pressure [bar-g] 25.00
Cold set pressure [psi-g] 362.59
Operating temperature: -50
Temperature unit: °C - Celsius
Operating temperature [°C] -50.00
Operating temperature in °F: -58
Metallic plate/Wst.: (L44)
from material 1.4404/ 316L
Seal ring material: (MB1)
sealing ring made of graphite/1.4401
Pressure screw: (J45)
with waistband
Spring cover material: (J54)
spring hood material 1.4408/CF8M, cast version
spring material (X00)
standard material
Guide plate material: (I63)
Guide plate material: 1.4404/316L
Spindle material (K4Z)
Spindle material: 1.4404/316L
Pressure screw material: (K7U)
1.4401/1.4404/316/316L + PTFE/glass
Stud screws Wst. Pos. 55 (L8K)
Stud screw material pos. 55:1.4401/A4-70/SA-193+320 B8M
Hex nuts Wst. Pos. 56 (L9K)
Material hexagon nuts pos. 56:1.4401/A4-70/SA-194-8M
Acceptance: (M48)
LR - Lloyd`s Register Certificate of Acceptance for Maritime Applications
Material quality certificate for: (H01)
Housing — position 1 with material quality certificate 3.1 according to DIN EN 10204
Material quality certificate for: (L59)
Seat or seat bush - position 5 with material quality certificate 3.1 acc. to DIN EN
10204
documentation: (H03)
LESER CGA Certificate for Global Application Acceptance Test Certificate 3.1 according to DIN
EN 10204
Name of media: (LPG)
Tag no., valve 1: H2883-32-PSV-5115
Aggregate state of the medium: (GAS)
Destination (country/ship): SHIP
Pipe Class (I-III; IGC; IGF): I
Name of shipyard: HYUNDAI HEAVY INDUSTRIES
New building number: H2883
Design temperature (min): -50 °C
Design temperature (max): +130 °C
Operating temperature: -50 °C
Type and location of day no.: (M25)
Labeling with tag (film/paper)