blast furnace safety valves

Bleeder Valves

Design Features Of Bleeder Valves

  • Fabricated construction
  • Valve actuation by hydraulic cylinder (Standard)
  • Pressure rating up to 6,0 bar
  • Service temperatures up to 500 °C
  • Nominal sizes up to DN 800
  • Other sizes or operating conditions on request
Bleeder Size [DN] 500 630 800
Opening time [s] 4 4 6
Closing time [s] 3 3 4
Connecting flange [DN] 800 1000 1000
Blow-off section [m2] 0,19 0,31 0,50

This Design Guarantees

  • Reliable emergency opening against springs
  • Only minimal overpressure in bell less top and washer after (emergency) opening of the bleeder -> good protection of equipment
  • Reduced maintenance and improved accessibility of equipment which is located on the same platform
  • Higher reliability & availability thanks to continuously improved design and customer feedback over several years

Yearly Savings Up To...


EURO (€)


tons CO2


tons COKE

VCL – Product Range

Hot Blast Valves

With minimum cooling and exchangeable cooling rings.

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Tuyere Stocks

Energy saving worldwide patented design

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Double Plate Wedge Gate Valves

Single And Double Plate Isolation Valves

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Dust Discharge Valves

Rotating Disc

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Lever Valves

Improved design

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Goggle Valve

„MAN SAFE“ isolation valves

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Double Eccentric Valves
Butterfly and Louver Valves
Bleeder Valves

Blast furnace safety valves

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Equalizing & Relief Valve

Rapid material hopper pressurisation and relief, and abrasive, dust-laden gas led to the devel- opment of the VCL full-section-opening swing-type equalizing and relief valve.

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Dust Discharge Valve

GRITZKO II Dust Discharge Control Valve

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Stove and Blast Furnance Special Valves
  • Equalizing / Relief Valves
  • Coffee Pot Bleeder Valves
  • Google Valves
  • Two Lever Valves
  • Butterfly Valves
  • Double Eccentric Valves
  • Snort Valves
  • Back Draft Valves
  • Hot Blast Valves
  • Explosion Valves
  • Louver Valves
High-performant, reliable and Secure Valves for
  • top gas pressure equalizing and relief valve
  • control of process media in large diameter pipelines
Additional Products
  • Push Lever Valves
  • Snort Valves
  • Bleeder Valves
  • Equalizing & Relief Valves
  • Back Draft Valves
  • Non Return Valves
  • Line Blinds
Additional Services
  • Repair Service
  • Refurbishment and Modifications
  • Spare parts for each kind and brand of Valves

VCL - Valve Competence Luxembourg S.A.

Zone Industrielle „Am Potaschberg“
19, op der Ahlkërrech
L-6776 Grevenmacher
Tel.: +352 276854-0
Fax: +352 276854-99


Mario Kratz


Rainer Zilliken