If the website is not displayed correctly, please click HERE to reload.


header

Type 459 IC

LESER India Type 459 IC is a threaded or flanged safety valve with compact dimensions for economical protection of small and mid sized capacites for thermal applications. Available with UV stamp.

Approvals

  • UV stamp according to ASME Section VIII Division 1, National Board certified capacities
  • IBR Certificate Form III C (without attachment 11)
  • Chief Controller of Explosives (CCoE/PESO)

Industries

  • Thermal relief applications for Oil & Gas
  • Utility steam
  • Air / gas compressors
  • Pump Discharge
  • Mobile tank (transport system)
  • Chemical equipment and piping
  • Pressure vessels
  • LPG / LNG terminals, carriers etc.
  • Cryogenic system and oxygen applications  
Product info Metric unit US unit

Key feature

Compact dimensions for small and midsized capacites

Compact dimensions for small and midsized capacites

Nominal diameter inlet

Nominal diameter inlet - Flange

DN 15 3/4 "

Nominal diameter inlet - Thread

DN 15 3/4 "

Orifice

Actual orifice area A0

133 mm² 0.206 in²

Actual orifice diameter d0

13.0 mm 0.512 in

Set Pressure

0.2  -  100 bar 3  -  1450 psig

Pressure

Flange rating inlet

CL150  -  CL600 CL150  -  CL600

Temperature acc. to DIN EN

Temperature acc. to ASME

-196  to  427 °C -321  to  801 °F

Material outlet body

SA 216 WCB, SA 351 CF8M

Material inlet body

SA 479 316L

Body material

Valve connection

Thread acc. to DIN ISO 228-1, ISO 7-1 / BS 21 or ASME B1.20.1
Flange acc. to ASME B 16.5

Thread acc. to DIN ISO 228-1, ISO 7-1 / BS 21 or ASME B1.20.1
Flange acc. to ASME B 16.5

Bellows

On Special Demand

On Special Demand

Approvals

UV stamp acc. to ASME Section VIII Division 1, National Board certified capacities
IBR Certificate Form III C (without attachment 11)
Chief Controller of Explosives (CCoE/PESO)
Third party inspections possible

UV stamp acc. to ASME Section VIII Division 1, National Board certified capacities
IBR Certificate Form III C (without attachment 11)
Chief Controller of Explosives (CCoE/PESO)
Third party inspections possible

Type of loading

Spring loaded

Spring loaded

Feature  
Disc

with soft sealing O-ring CR „K”

FW3

with soft sealing O-ring EPDM „D”

FW9

with soft sealing O-ring FKM „L”

FW1

with soft sealing O-ring FFKM „C”

FW2

Seat/nozzle  
Test gag

for cap H2

F5H

for lifting lever H4

F5H

Bonnet  
Drain plug  
Caps and levers

Screwed cap H2

FF2

Screwed packed lever

FF3

Cooling spacer  
Jacket type  
Back Print page To top