15mm Bore 98015 Flanged

> Safety valves made from Stainless Steel
> Enclosed discharge valve with flanged connections
> Metal-to-metal sealing

Product Description

Enclosed Discharge safety valve for liquid applications – Metal seal

15mm Nominal Bore, Direct Spring Loaded Enclosed Discharge safety valve for liquid applications – Metal seal


Example Applications:
  • Pressure vessels
  • Thermal relief
  • Water tanks
  • Liquid storage
  • Oil
  • Chemical process



View or Download Datasheet


Technical Information

Technical Information for Type 98015 Flanged (15mm Bore)

  • Min. Pressure
    0.30 bar (4.35 psi)
  • Max. Pressure
    33.00 bar (406.00 psi)
  • Temperature Range
    -50°C to 250°C (subject to seal material)
  • Flow Area
    177mm² (15 mm inlet bore diameter)
  • Inlet Connection(s)
    DN25 DIN or 1" ANSI Flange
  • Outlet Connection(s)
    DN40 DIN or (1 1/2") ANSI Flange
  • Flow Rate
    Refer to Flow Tables on the datasheet
  • Materials
    St. Steel
  • Seal Materials
    Metal to metal sealing
  • Test Certification
    Included - supplied Free of charge

Flow Rates:

Rated discharge capacities in accordance with BS6759 (liters/min.)


  • Relieving pressure is set pressure +10%
  • Reseating pressure is set pressure -20% or 0.6 below 3 bar
  • Leak Tightness to 90% set pressure to API 527 and in accordance with BS6759 part 3 1984, table 9 grade 2.


  • Designed in accordance with BS EN ISO-4126-1 & -7
  • PED 2014/68/EU (CE)
  • PE(S)R UK SI 2016 No. 1105 (UKCA)
  • EAC
  • Leak tightness at 90% set pressure to API 527 and in accordance with EN ISO 4126-1


Adaptable Solutions

Available in a range of sizes, materials, and pressure ratings, these valves handle diverse fluids and conditions, from delicate instruments to high-pressure steam boilers.


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