Quick closing valves | Sos valves

Quick closing valves

Our sos valves are designed to ensure a safe and simple operation. The low height also allows the usage in narrow spaces.

Quick closing valves are mainly used for sudden blocking of pipe systems at tanks with combustible liquids. The blocking is done by remote control in case of danger.

Product features:
•  DN 15 up to DN 200
•  angle type and straight type
•  flanges acc. to DIN
•  available in material nodular
    cast iron, cast steel and bronze

This versions are also possible:
•  flanges acc. to ANSI and JIS
•  "fire-safe"
•  with limit switches

The valves are type approved by ABS, DNV, LR and BV.

Our quick qlosing valves are also available in following designs:
•  with bellow for thermaloil
•  with thermical release

Quick open valves

The newest addition is our quick opening valve with bellow.
This valve is specially designed for the sudden release of pressure or the emptying of piping-systems.

The space saving design allows the usage in narrow spaces. The sudden opening can be operated easy and safe from the outside of a danger zone  by pneumatic, hydraulic or  wire actuation. Additionally our Quick opening valves are equipped with a handwheel for manual operation.

Our quick opening valves are also available in special designs, e.g. in different materials, without bellow or with limit switches.

Hydraulic pump unit station

New generation of hydraulic pump unit station ! 

New is our hydraulic pump unit station in stainless steel, which is suitable for the releasing from up to 12 quick closing valves or quick opening valves.

New design:
• Investment casting- and laser cut components
   compared to old cast iron version.
• Corrosion-free due to the new composite materials.
   Varnishing is not necessary.
• User-friendly due to an enlarged oil-filling hole.
• Yacht construction suitably due to lightweight 
   design and polishability of the components.
• Suitable for tandem function by a common tank.  
• Synchronous releasing is possible from up to
   12 quick closing valves.

You are searching for furthermore designs, different materials, diameters, working pressures or temperature ranges ?

Please ask us !  We are pleased to help you.


Phone  +49 (0)481 903 0
Fax      +49 (0)481 903 290




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... also available:

Quick closing valve DIN-length
with release cylinder for pneumatic, hydraulic
and manually remote control
with handwheel for separate closing
gunmetal with innerparts stainless steel

suitable for exhaust gas desulfurization systems in maritime shipping

Quick closing valve DIN-length PN10 DN 65
with limit switch
with release cylinder for pneumatic, hydraulic
and manually remote control
stem: 1.4571, bonnet sealing: graphite
O-rings: EPDM, spring: 1.4571
with crank handle VG 85086-A for separate closing
flanges PN16
material stainless steel

further designs are possible - ask us !