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Safety valve LESER 484

Safety valve LESER 484
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  • Nominal inlet: DN25-DN40
  • Response pressure: 0.1-16 bar
  • Working environment temperature: -45 to 150 °C
  • Material: 1.4435 (BN2)

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  • Pickup from a warehouse in Kiev
  • New Mail - at the rates of the delivery service
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  • Dimensions and weights
  • Design pressures and temperatures
  • Throughput (Steam)
  • Throughput (Air)
  • Throughput (Water)
  • Delivery
  • Payment
Fact. dia. holes d 0 [mm] 13 25
- - -
- - - Vessel wall thickness Vessel wall thickness
- - - ≤ 5mm > 5 mm ≤ 5mm > 5 mm
- - PN 16 16 16 16
Flange thickness WITH [mm] 12.0 12.0 12.0 12.0
C1 [mm] 5.0 18.0 5.0 18.0
Diameter D [mm] 130.0 130.0 150.0 150.0
D1 [mm] 110.0 110.0 127.0 127.0
Bolt center circle L [mm] 90.0 90.0 110.0 110.0
Welded connections Input a (without connection to the vessel) Output b Input a (without connection to the vessel) Output b
PN 16 16 16 16
Center to end face - [mm] 24 80 thirty 90
Height - Н4 H max . [mm] 201 289
Height - H8
double piston design
H max. [mm] 229 296
Clamp connections Input a (without connection to the vessel) Output b Input a (without connection to the vessel) Output b
PN 16 16 16 16
Center to end face - [mm] 24 102 thirty 112
Height - Н4 H max. [mm] 201 289
Height - H8
double piston design
H max. [mm] 229 296
Threaded connections Input a (without connection to the vessel) Output b Input a (without connection to the vessel) Output b
PN 16 16 16 16
Center to end face - [mm] 24 120 thirty 130
Height - Н4 H max. [mm] 201 289
Height - H8
double piston design
H max. [mm] 229 296
Flange connections Input a (without connection to the vessel) Output b Input a (without connection to the vessel) Output b
PN 16 16 16 16
Center to end face - [mm] 24 126 thirty 134
Height - Н4 H max. [mm] 201 289
Height - H8
double piston design
H max. [mm] 229 296
Weight - -
Weight - Max. [kg] 3.0 4.0

конструкция LESER 484

Fact. dia. holes d 0 [mm] 13 25
- - -
- - - Vessel wall thickness Vessel wall thickness
- - - ≤ 5mm > 5 mm ≤ 5mm > 5 mm
Flange thickness WITH [mm] 12.0 12.0 12.0 12.0
C1 [mm] 5.0 18.0 5.0 18.0
Diameter D [mm] 130.0 130.0 150.0 150.0
D1 [mm] 110.0 110.0 127.0 127.0
Bolt center circle L [mm] 90.0 90.0 110.0 110.0
Welded connections Input a (without connection to the vessel) Output b Input a (without connection to the vessel) Output b
Center to end face - [mm] 24 80 thirty 90
Height - Н4 H max. [mm] 201 289
Threaded connections Input a (without connection to the vessel) Output b Input a (without connection to the vessel) Output b
Center to end face - [mm] 24 120 thirty 130
Height - Н4 H max. [mm] 201 289

Схема LESER 484

Fact. dia. holes d 0 [mm] 13 25
Body material: 1.4435 (316L)
Minimum set pressure p [bar] 0.3 0.1
Maximum set pressure p [bar] 16 16
Temperature range - Minimum Maximum Minimum Maximum
EPDM [° C] -45 +150 -45 +150
CR [° C] -40 +100 -40 +100
FKM [° C] -twenty +180 -twenty +180
NBR [° C] -25 +110 -25 +110
FFKM [° C] 0 +250 0 +250
Fact. hole diameter d 0 13 25
Set pressure [bar] Throughput [kg / h]
1 88 213
2 142 347
3 191 472
4 239 603
Maximum temperature for EPDM soft seal
5 286 722
6 332 840
7 378 956
eight 425 1073
nine 471 1191
ten 518 1308
12 611 1543
fourteen 701 1773
16 794 2007
Fact. hole diameter d 0 13 25
Set pressure [bar] Throughput [m 3 / h]
1 105 254
2 171 418
3 234 576
4 293 741
5 353 892
6 413 1043
7 472 1194
eight 532 1344
nine 592 1495
ten 651 1646
12 771 1947
fourteen 890 2249
16 1009 2551
Fact. hole diameter d 0 13 25
Set pressure [bar] Throughput [10 3 kg / h]


1 2.83 7.33
2 4.01 10.4
3 4.91 12.7
4 5.66 14.7
5 6.33 16.4
6 6.94 eighteen
7 7.49 19.4
eight 8.01 20.7
nine 8.5 22
ten 8.96 23.2
12 9.81 25.4
fourteen 10.6 27.4
16 11.3 29.3
  • Pickup from a warehouse in Kiev
  • New Mail - at the rates of the delivery service
  • SAT - at the rates of the delivery service
  • Deliveri - at the rates of the delivery service
  • Cashless payment with VAT
  • Online Privat24, Visa / MasterCard
Safety valve LESER 484

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