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FL 549 Series

Safety valve for gas, liquid or steam. Also for thermal relief application. Available in screwed and flanged connection for all utility valves.

Approvals

  • CCOE

Industries

  • Chemical Industry    
  • Petrochemical Industry    
  • Power    
  • Industrial Gases    
  • Beverage Industry    
  • Pharmaceutical Industry   
Product info Metric unit US unit

Key feature

Compact design, high capacity suitable for steam, gas and liquids

Compact design, high capacity suitable for steam, gas and liquids

Nominal diameter inlet

Nominal diameter inlet - Flange

DN 15  -  DN 40 1/2"  -  1 1/2"

Nominal diameter inlet - Thread

15  -  40 mm 1/2"  -  1 1/2"

Orifice

Actual orifice area A0

50.24  -  201 mm² 0.07  -  0.312 in²

Actual orifice diameter d0

8  -  16 mm 0.31  -  0.62 in

Set Pressure

0.49  -  250 bar 6.96  -  3555 psig

Pressure

Flange rating inlet

PN 10  -  PN 250/ 400 CL150  -  CL2500

Temperature acc. to DIN EN

-268  to  427 °C -450  to  800 °F

Temperature acc. to ASME

Material outlet body

WCB, CF8M, CF8

Material inlet body

SS 316, Hastelloy, Monel

Body material

Valve connection

Flange acc. to DIN EN 1092-1 or ASME B16.5
Screwed connections: BSP, BSPT NPT, Metric thread (M15)

Flange acc. to DIN EN 1092-1 or ASME B16.5
Screwed connections: BSP, BSPT NPT, Metric thread (M15)

Bellows

Approvals

CCOE, any TPI upon request

CCOE, any TPI upon request

Type of loading

Spring loaded

Spring loaded

Feature  
Disc

O-ring disc

Seat/nozzle

Stellited inlet (seat) and disc

Bellows  
Test gag

Test gag

Bonnet

Open bonnet

Closed bonnet

Free of oil and grease  
Bug screen  
NACE material test certificate  
Drain plug

Drain plug

Caps and levers

Screwed closed cap

Screwed lifting lever cap

Spring  
Cooling spacer  
Jacket type

Jacket type

Connections  
Special materials  
Electropolished  
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