Externally operated valves

Externally operated valves are designed for more specialized applications, such as: media with high dirt content, media with high viscosity, high ambient temperatures, large flow quantities, damp environments and where there is a risk of explosion.
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FAQ Heading

Do Danfoss products comply with RoHS directive (Restriction of Hazardous Substances)?
Yes, all declarations of conformity, including RoHS and WEEE, can be found in our internet product catalogue. Look up the product of your interest and find the relevant document either under the Literature link or the Approvals & Certificates link.
I have installed an pneumatically operated valve type HP210 and it does not work any longer. Can you offer me a new one?
This reference is very old. We can offer you the equivalent with the new range of our external operated valves - AV210.
Where can I find approvals and certificates for Danfoss products? E.g. do you have a PED certificate for KP7W?
You can find product approvals and certificates for all our products on our internet website. Follow this link to search for documents either by product or by authority: http://www.danfoss.com/BusinessAreas/IndustrialAutomation/Documentation/Approvals+and+Certificates.htm
What is a kv-value?
Capacity / kv - value: – Specifies how many m3/hour (capacity) water is passing through the valve at a differential pressure at 1 bar. – Is a result of all the different constants coming from shape of orifices, units etc. which are reduced to one new constant, the kv - value. – Is used to calculate capacity: – ? = density (kg / m3) – ?P = P1 - P2 Q = k v ?P [m3 / h]
I'm looking for a Danfoss code number and I have not found it in any catalogues?
Som code numbers are not available for all markets, or it may have been replaced by another number. To resolve the issue, please contact your nearest Danfoss office: http://www.danfoss.com/Contact/Worldwide/
Could I send you a Danfoss part for repair?
Danfoss does not have repair departments locally. For warranty or complaints issues, please contact your nearest Danfoss sales office and they will tell you how we handle these issues in your area.
I have bought the valve AV210, can you offer me the pilot valve to do the control?
Yes, you need a 3/2 valve, for example our EV310A or EV310B
Which valve should I choose for an aggressive fluid?
You should look for a valve in DZR brass for slightly aggressive media and a stainless steel valve for aggressive media. Please note that the seal material should also be appropriate the media.
Can you supply the Danfoss valve with the type designation WKB?
Please get in touch with Danfoss Water Controls, who handles this valve type.
I need a spare part for my product. Do you have that?
Please see the relevant accessories sections in our internet product catalogue, which will list all available spare part options for your market.
Can you deliver your products worldwide?
Yes, we have own distribution centre across the world, working together with more than 100 distributors and agents. You can see your nearest distributor or Danfoss office here: http://www.danfoss.com/Contact/Sales_and_Services/
Do you have a complete catalogue showing all your products?
Our internet product catalogue is the most extensive information source: http://www.danfoss.com/Products/Categories/ Besides these products, Danfoss also produces customer-specific products and solutions that are not visible in the catalogue. Please contact your nearest Danfoss office to discuss your needs and how we can meet them.
Can you deliver products exclusively made for us?
Yes, we have the possibility to develop products that are unique for one customer subject to individual agreements. The products may differ in appearance, technical features or packaging. Please contact us to discuss your requirements.
Which distribution channels does Danfoss use?
Danfoss makes use of different channels, including distributors, to suit the markets' needs. An increasing number of our customers use our web ordering and EDI e-commerce solutions.
Can I review your stock online?
Yes. By using Danfoss web-ordering, you can check product availability. Please contact Danfoss to get access to web-ordering.
Where can I find technical drawings of Danfoss products?
Dimension and function drawings of our products are often part of the products'' technical leaflets. In our internet product catalogue (http://www.danfoss.com/Products/Categories/), find the product of your interest, then follow the Literature link to see available items.
Where do I direct commercial or technical questions?
Danfoss worldwide sales and services is available here: http://www.danfoss.com/Contact/Sales_and_Services/ Your nearest Danfoss office will be able to answer your question, or have it directed to the appropriate expert.
Do you have local stock?
This depends on the country and product concerned. Our logistics are set up to achieve competitive and reliable delivery performance for our customers.
Where can we find your data sheets?
All relevant literature, including technical brochures, are available on our Web site: http://www.danfoss.com/BusinessAreas/IndustrialAutomation/Documentation/Industrial+Automation+Literature.htm
Do you have local websites in my language?
Yes, please see http://www.danfoss.com/ and then use the "Local sites" option in the top right-hand corner.
Is it possible to place orders online?
Yes, you can place orders and access order information online. Please contact Danfoss to get access to web-ordering. You can see the benefits of Danfoss web-ordering at http://www.danfoss.com/Products/ebusiness/
Does Danfoss operate globally?
Yes. More than 100 Danfoss sales companies and more than 100 agents are spread across the world, making Danfoss nearby, always.
Is Danfoss a German company?
No, it is a globally acting group with headquarters in Denmark.
How can I control air for pneumatically operated valves?
You can very simple use a small pilot valve EV310A or EV310B for operating the valve.
What pressure is required to control AV210 ?
You need air pressure between 4 - 10 bar.
Can I use the AV210 for waste water ?
Yes, the AV210 has a resistant floating disk that gives a secure sealing on the orifice. This is also beneficial when using steam. Steam can be aggressive and contains impurities, and this valve is good for steam and trouble shooting in general.
Does the Kv value correspond to the value of the flow?
Yes, the Kv value we mention in product catalogues and technical brochures gives the capacity of water with the differential pressure of 1 bar measured in cubic meter per hour : Q=Kv*v(?P/?) unit m3/hour; ?P=differential pressure; ?=density. Q=flow Kv=constant ?P=in pressure - out pressure ?=? of the fluid
Where can I find some technical information about your products?
Please see our online product catalogue: http://www.danfoss.com/BusinessAreas/IndustrialAutomation/Product+catalogue/IA+product+catalogue.htm
What do I need to know to select the right product?
The following are the basics for most products used in industrial environments: Application - Pressure - Temperature - Medium - Connection
Can I get quality control plans/process flowcharts/material specifications/FMEA for Danfoss products?
No, this is confidential information which cannot be shared outside Danfoss. Rare exceptions are cases of special legal agreements between Danfoss and the other company.
Can you send me literature, brochures or catalogues on your products?
We appreciate your interest and will happily send you an overview of our offering in print. Please contact your local Danfoss office or e-mail us on ia@danfoss.com, describing your interest and application.
I placed an order through e-commerce. Could you please check the delivery dates and inform me the earliest possible delivery?
Delivery dates are supplied in the e-commerce system and based on Danfoss standards. If the confirmed delivery date is not acceptable, please contact Danfoss through e-mail or telephone.
I work with steam and the Danfoss solenoid valve EV225B does not have enough flow. Can you recommend another option?
Our AV210 angle seat valve will be the right choice. It is angle seated, works ok with steam and has a very good flow. You just need to check if your system has compressed air to control the AV210 valve.
Can I download product approvals & certificate from the Danfoss websites?
Yes, in our internet product catalogue, all product approvals & certificates are listed. If you are unable to local a specific document, please e-mail or call us.
Could the AV210 capacity control be used together with the AV210 position indicator?
No, that is not possible.
Which media can Danfoss products be used with?
The answer depends on the materials in contact with medium for the particular product. This information can be found in the technical brochure / data sheet for the product. We have products designed specifically to handle particular media, including drinking water, oil, air, petrol, steam and more. If in doubt, please contact your nearest Danfoss office.

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