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Safety valve LESER 457/458

Safety valve LESER 457458
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  • Manufacturer: LESER
  • Nominal inlet: DN25-DN150
  • Response pressure: 2.5-300 bar
  • Working medium pressure: 300 bar
  • Working environment temperature: -85 to 550 °C
  • Material: 1.0619; 1.4581; 1.7357
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  • Dimensions and weight
  • Design pressures and temperatures
  • Throughput (Steam)
  • Throughput (Air)
  • Throughput (Water)
  • Documentation
  • Delivery and payment
Duvkh. + 025x5025x5050x8050x8080x10080x100100x150100x150100x150100x150150x250
Valve size1´´x 2´´1´´x 2´´2´´x 3´´2´´x 3´´3´´x 4´´3´´x 4´´4´´x 6´´4´´x 6´´4´´x 6´´4´´x 6´´6 '' x 10 ''
Fact. hole diameter d0 [mm]15twentythirty40506050607488110
-
Weight [kg]
twentytwenty45458888157157157157131
with bellows22224848108108188188188188162
Center to ends. surface [mm]Entrance a135135170170190190225225225225300
Output b Py40120120145145180180235235235235225
Output b Py63120120145145205205265265265265-
Output b Py160130130---------
Height (H4) [mm]H max. standard50650669969983283210791079107910791098
Bellows H max.54154177977993093011701170117011701156
Body material: 1.0619 (WCB)
DIN flangeentrancePy63 - 250Py63 - 160Py40
OutputPy40 - 63Py40Py16
Body material: 1.7357 (WC6)
DIN flangeentrancePy63 - 250Py63 - 160-
OutputPy40 - 63Py40-
Body material: 1.4581 (CF10M)
DIN flangeentrancePy63 - 250Py63 - 160Py40
OutputPy40 - 63Py40Py16

construction LESER 457/458

Dу in. + 025x5025x5050x8050x8080x10080x100100x150100x150100x150100x150150x250
Valve size1´´x 2´´1´´x 2´´2´´x 3´´2´´x 3´´3´´x 4´´3´´x 4´´4´´x 6´´4´´x 6´´4´´x 6´´4´´x 6´´6 '' x 10 ''
Fact. hole diameter d 0 [mm]15twentythirty40506050607488110
Body material: 1.0619 (WCB)
DIN flangeentrancePy63 - 250Py63 - 160Py40
OutputPy40 - 63Py40Py16
Minimum install. pressurep [bar]2.52.52.52.52.52.52.52.52.52.52.5
Min. installed pressure standard bellowsp [bar]13.513.5twenty2.5tententen6555
Min. installed bellows pressure low. pressurep [bar]by application
Maximum set pressurep [bar]300180125981307743465334eighteen
Max. installed pressure from spec. springp [bar]300180210114.516077160160775340
Temperature according to DIN ENmin. [0C]-85
Max. [0C]+450
Body material: 1.7357 (WC6)
DIN flangeentrancePy63 - 250Py63 - 160-
OutputPy40 - 63Py40-
Minimum install. pressurep [bar]2.52.52.52.52.52.52.52.52.52.5-
Min. installed pressure standard bellowsp [bar]13.513.5twenty2.5tententen655-
Min. installed bellows pressure low. pressurep [bar]by application
Maximum set pressurep [bar]300180125981307743465334-
Max. installed pressure from spec. springp [bar]300180210114.5160771601607753-
Temperature according to DIN ENmin. [0C]-85
Max. [0C]+550
Body material: 1.4581 (CF10M)
DIN flangeentrancePy63 - 250Py63 - 160Py40
OutputPy40 - 63Py40Py16
Minimum install. pressurep [bar]2.52.52.52.52.52.52.52.52.52.52.5
Min. installed pressure standard bellowsp [bar]13.513.5twenty2.5tententen6555
Min. installed bellows pressure low. pressurep [bar]by application
Maximum set pressurep [bar]2501468261613515.8eleven16.904.4
Max. installed pressure from spec. springp [bar]2501461306510451.5715549320
Temperature according to DIN ENmin. [0C]-85-270
Max. [0C]+550+400
Dу in. + 025x5025x5050x8050x8080x10080x100100x150100x150100x150100x150150x250
Valve size1´´x 2´´1´´x 2´´2´´x 3´´2´´x 3´´3´´x 4´´3´´x 4´´4´´x 6´´4´´x 6´´4´´x 6´´4´´x 6´´6 '' x 10 ''
Fact. hole diameter d 0 [mm]15twentythirty40506050607488110
Set pressure [bar]Throughput [kg / h]
2.53055351205203634294403338846417149947013998
335261914092385391550943915536682651095815980
4439781177930114882635249406775103061366419926
5526946212936055844760459148111123381635823855
66121102247941976803885368859443143631904327771
7697125328204774773910070783210742163392166231591
eight782140731675362869211310879712064183512432935480
nine868156235135949964312548976013385203602699239364
ten95317153860653510594137851072214704223672965343244
12112420234552770712494162571264517341263783497251000
fourteen129223245230885514355186781452719923303064017958594
161463263159211002416250211451644622555343084548666333
eighteen1633293966121119518149236151836725189383165079974081
twenty1804324773051236820050260892029127828423305612081842
221970354579771350621894284892215830388462246128389371
242142385486711468123799309672408533031502456661497145
2623144163936615859257083345226018356825427671958104939
28248644731006417040276233594327956383405831977318112756
thirty265947841076418225295443844329900410066237482695120596
32283250961146619414314714095031850436806644388089128463
34299853941213720549333114334533713462357032893240135975
36317257071284221743352474586335671489217441498657143875
383347602213549229413718948391376375161778515104094151804
403523633814260241443914050929396115432482632109553159765
5044117937178583023549014637774960568029103480137192-
6053069546214793636658952767095966381823124462--
70623611221252464274569294901667012996177146296--
80717412907290424917179711-80671110634---
90816014682330355593290670-91763125846---
1009156164733706562756101733-102959141201---
120113262037845850-125844-127361174666---
140137732478155758-153039-154882212410---
160166042987367215-184485-186707256056---
180201713629181656--------
20024970-101082--------
Dу in. + 025x5025x5050x8050x8080x10080x100100x150100x150100x150100x150150x250
Valve size1´´x 2´´1´´x 2´´2´´x 3´´2´´x 3´´3´´x 4´´3´´x 4´´4´´x 6´´4´´x 6´´4´´x 6´´4´´x 6´´6 '' x 10 ''
Fact. hole diameter d 0 [mm]15twentythirty40506050607488110
Set pressure [bar]Throughput [m 3 / h]
2.537165214662478417353574122564787001152417033
3430756172229144783622447836556100981338819524
4540961218737046004781260768333126761680524507
565011702632445772259401731210027152532022229490
6760136830775210844510989854711722178302363934474
7870156535225963966612578978313416204072705639457
eight98017633967671610887141661101815111229853047344440
nine109019614411746912108157551225416805255623389049423
ten120021584856822213328173431348918499281393730754406
12141925545746972815770205201596021888332944414164372
fourteen1639294966351123418211236971843125277384495097474338
161859334475251274020653268742090228665436035780884304
eighteen2079374084141424623094300512337332054487586464294270
twenty22984135930415752255363322825844354435391271476104236
22251845301019317258279773640428315388315906778310114202
24273849261108318764304193958130785422206422185144124168
26295753211197220271328604275833256456096937691978134134
28317757161286221777353024593535727489977453198812144100
thirty3397611213751232833774449112381985238679685105645154066
323617650714641247894018552289406695577584840112479164032
343836690215530262954262755466431405916489994119313173998
364056729816420278014506858643456116255295149126147183964
3842767693173102930747510618204808265941100304132981193930
4044968088181993081349951649975055369330105458139815203897
50559410065226473834462159808816290786273131231173984-
606693120422709445874743669676675262103217157004--
7077921401931542534048657411265087617120160182777--
80889015995359906093598781-99971137104---
909989179724043768465110989-112326154047---
10011088199494488575996123196-124681170991---
120132852390253780-147611-149390204877---
140154822785662676-172026-174099238764---
160176803180971571-196442-198808272651---
180198773576380466--------
20022074-89362--------
22024272----------
24026469----------
26028667----------
28030864----------
30033061----------
Dу in. + 025x5025x5050x8050x8080x10080x100100x150100x150100x150100x150150x250
Valve size1´´x 2´´1´´x 2´´2´´x 3´´2´´x 3´´3´´x 4´´3´´x 4´´4´´x 6´´4´´x 6´´4´´x 6´´4´´x 6´´6 '' x 10 ''
Fact. hole diameter d 0 [mm]15twentythirty40506050607488110
Set pressure [bar]Throughput [10 3 kg / h]
2.59.3915.934.657.296.111999.4129203251361
310.317.437.962.7105131109141223275395
411.920.143,772.4122151126163257318456
513.322.548.980.9136169141182287355510
614.524.653.688.7149185154200315389559
715.726.657.995.8161200166215340421604
eight16.828.461.9102172213178230363450645
nine17.830.265.6109182226189244385477684
ten18.831.869.2114192238199258406503721
1220.634.875.8125210261218282445551790
fourteen22.237.681.8135227282235305481595854
1623.840.287.5145243302251326514636913
eighteen25.242,792.8154258320267346545675968
twenty26.64597.81622723372813645757111020
2227.947.21031702853542953826037461070
2429.149.31071772983693083996297791118
2630.351.31121853103853204156558111163
2831.453.21161923213993334316808411207
thirty32.555.11201983334133444467048711250
3233.656.91242053444273564617278991291
3434.658.61282113544403664757499271330
3635.660.31312173654523774897719541369
3836.6621352233744653875027929801406
4037.663.613822938447739751581310051443
5042.071.11552564305334445769091124-
6046.077.9169280471584487631995--
7049.784.11833035086315266811075--
8053.189.9196324543-562729---
9056.395.4207343576-596773---
10059.4101219362608-628814---
12065.1110240-666-688892---
14070.3119259-719-744964---
16075.1127277-768-7951030---
18079.7135293--------
20084.0-309--------
22088.1----------
24092.0----------
26095.8----------
28099.4----------
300103----------

Technical Documentation LESER 457/458

Delivery

  • Pickup from a warehouse in Kiev - is free
  • New Mail - at the rates of the delivery service, at the rates of the delivery service, at the rates of the delivery service
  • SAT - at the rates of the delivery service
  • Deliveri - at the rates of the delivery service

Payment

  • Cashless payment with VAT
  • Online Privat24, Visa / MasterCard
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Safety valve LESER 457458

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