Service valve self-drainage ductile iron

• Resilient seated gate valve with optimum flow passage
• Suitable for drainage of pipes which might freeze e.g. irrigation pipes etc. In below ground applications sufficient draining for the valve has to be considered (e.g. drainage pit)
• Sealing system: Automatic secured drainage when valve is completely closed. No clearing when the valve is partly or completely open
  NOT suitable for sites with a drainage hole situated above the groundwater table
• Internal thread is equipped with a corrosion protection ring to prevent corrosion
• 2 O-rings mounted on all sides in rust-proof material
• Spindle bearing made of brass
• Threaded connection for extension spindle
• Suitable for all underground installations
  

Standard version: without handwheel and extension spindle
Special versions: on request