Bestway’s NEW Mark V® series frac valves feature dual purpose ValveShield System™ technology enabling greaseless frac operations, while eliminating sand and particle intrusion. The ValveShield System™ innovative design decreases repairs, eliminates NPT, and extends the service life of your valve.
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![Mark V SERVICE-LESS™ Valves](https://www.bestwayoilfield.com/wp-content/uploads/SERVICE-LESS™-Frac-Valve-1080x675.png)