Our new and improved grey 521 valve used for high pressure waterers.  The newly upgraded valve offers a wider range for pressures which allows between 40-80 PSI.  It provides up to 12 gallons of water per minute.

It is our most commonly used valve for ALL waterers. 

For further assistance on finding your part, please call 815-797-9636 or email us at sales@redstonesupply.com.