for plants subject to severe vacuum hazards and systems particularly requiring ventilation | float and lever ensure the discharge of large gas quantities for constant ventilation at maximum operating pressure | the adjustable vacuum breaker with large nominal diameter ensures maximum ventilation performance during draining of systems and means optimal dual functionality | completely made of CrNiMo steel (316L) – deep-drawn body with excellent surface quality | easy-to-maintain owing to the clamp system | corrosion-resistant, very lightweight and compact

for plants subject to vacuum hazards, float and lever control the valve shut-off to discharge gas with the additional vacuum breaker function by means of a spring-controlled rubber ball in the large valve seat | usable for water and fuel | completely made of CrNiMo steel (316L) – deep-drawn body with excellent surface quality | corrosion-resistant, very lightweight and compact owing to the clamp system

for large air volumes at startup, continuous bleeding or venting under pressure, opens with large ventilation capacity if a vacuum is present | suitable for nearly all liquids | completely made of CrNiMo steel (316L) – deep-drawn body with excellent surface quality | corrosion-resistant, very lightweight and compact | long operational lifespan, manageable installation, easy-to-maintain owing to the clamp system – highest effectiveness with compact design

large bleeding or ventilation quantities owing to ventilation cross sections and connection flange dimensions of the same size | body made of spheroidal cast iron GJS 450-10 with epoxy coating in blue RAL 5005, thickness min. 250 μm | coating as per DVGW W270 and KTW recommendation of the German Ministry for Health | bleeding under operating pressure, max. bleeding performance in the start-up mode and max. ventilation performance during draining of systems means optimal triple functionality | optionally with anti-shock device for suppression of water hammers

Large bleeding or ventilation quantities owing to ventilation cross sections and connection flange dimensions of the same size | body made of special material Duplex or Superduplex | bleeding under operating pressure, max. bleeding performance in the startup mode and max. ventilation performance during draining of systems provide optimal triple functionality | optionally with anti-shock device for suppression of water hammers

for large air volumes at startup, continuous bleeding or venting under pressure, opens immediately if a vacuum is present | usable for nearly all liquids | completely made of CrNiMo steel (316L) – deep-drawn body with excellent surface quality | easy-to-maintain owing to the clamp system | corrosionresistant, very lightweight and compact | long operational lifespan, manageable installation, extremely reliable – highest effectiveness with compact design | optimal triple functionality

optimised body design with guided float to ensure maximal protection of the bleeding and venting device | large bleeding or ventilation quantities owing to ventilation cross sections and connection flange dimensions of the same size | body made of spheroidal cast iron GJS 450-10 with epoxy coating in blue RAL 5005, thickness min. 250 μm | coating as per KTW recommendation of the German Ministry for Health and DVGW worksheet W270 | bleeding at operating pressure, max. bleeding performance in the startup mode and max. ventilation performance during draining of systems | optionally with anti-shock device for suppression of water hammers

suitable for high operational pressures | large bleed air volumes during startup, large vent air volumes during bleeding | bleeding under pressure owing to adapted continuous venting valve | avoids cavitation peaks | suitable for all liquid media, also for petrol, oil and chemicals | body made of steel, CrNiMo-steel, massive welded construction, extremely sturdy, also available in seawater-resistant materials | optimal triple functionality