10 Things to Consider When Buying Gate Valve

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Before making any purchases, you can confirm if a manufacturer&#;s gate valve meets some basic quality criteria essential to long service lifetimes:

Confirm the gate valve meets or exceeds code and standard requirements by checking:

• Is the gate valve safe for potable water? This includes both certification approval from DVGW, ÖVGW, KIWA, WRAS, or your country&#;s certifying agency, as well as using safe materials as outlined by the 4MS Initiative.
   
• Is the gate valve compliant with DIN EN-2 endurance testing requirements?
   
• Does the gate valve have both a GSK certification and a GSK production certification? Both are necessary to ensure product compliance.

Does the manufacturer have a proven track record of longevity? Hawle for example, still has gate valves functioning after over 50 years of underground service?

So you have been tasked with selecting industrial valves for project or maintenance work and given a list of what valves, sizes and specifications. Great!!

However, how much thought has been given to whether the specification is right, the valves will be suitable, and if they will be right for the job?

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There are many assumptions around valve selection, the most common of which are:

• &#;this is what we used before&#;  &#; on an entirely different process

• &#;contractor x said this is what we need to use&#; &#; based on what? 

• &#;the site standard is x&#; &#; but what if that type of valve wont work on this application

• &#;this is what we have always used&#; &#; but have been experiencing downtime and regular failures

Getting your valve selection right from the get go is really important and in this article I will walk you through a simple 10 step process to help you ensure your valve selection is based on facts rather than assumptions.

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