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Experts in climate control

We supply, set up and service products and solutions for climate and water management in horticulture.

Danish-produced quality
We produce ourselves in Denmark and have innovative employees who think outside the box for your horticulture.
Full service provider of gardeners
In conjunction with your requirements, we can be your total partner in innovative solutions for climate and water management.
Development and feedback
Can we do it a little differently, a little better? It is the basic idea of our everyday life.


Raising / lowering valve

HS is the danish abbreviation for RAISING and LOWERING

This raising/lowering valve, in daily speach: HS-valve, was patented 1981, and thereby a tested product, which is sold all over the world with great success.​

How much water do you need?

The HS-valve from Danvan secures a consistent supply of water and nutrient solution on every table.
Inside the valve you’ll find a cone with standard hole diameter 3,5 mm.
The size on the hole diameter determines the amount of liters of water and fertilizer solution per minute.
It is possible to order our HS-valve with cone hole between 2-6 mm. 

Tap for shut-off

The HS-valve is fitted with a tap, which makes it possible to to shut off the irrigation.
It can, for example, be beneficial when irrigation pots among others.

If you want more information about the HS-valve from Danvan, please contact us by phone: +45 65 92 56 00 or mail:

For a total overview of all our valves, please click HERE.



The HS valve has the following benefits:​

  • The HS Valve ensures an equable supply of water and nutrient solution for the plants on every table
  • Available with 2-6 mm drillings for supply of nutrient solution
  • Different connection possibilities
Customer Testimonials

“Speeds up the mixing time”
Firstly I would say thanks very much with your introduce of Micro Mixing 100 and your great technical support…
Steven, Grow Green Farming
“Minimum on manual labour”
I’m happy with your Micro Mixer 200 with 2 recipe program compared with my previous mechanical dosing system.
Luiz Khor, Vegelife Cameron Highlands
“Improving my plants quality”
Thanks for your introduce of Micro 200 Fertilizer mixer, with this machine it help me shorten the fertilizer mixing time.
Rampai Interlek, Gallon
“Thanks to the people at Danvan”
After one cycle of crops we notice this Micro Mixer bring us a good result on agricultural.

65 92 56 00

Danvan A/S      Cikorievej 4, DK-5220 Odense SØ      +45 6592 5600      CVR: 20105933