The HH Series is a heavy duty, high pressure needle valve that features an industrial strength stem and bonnet and enhanced packing arrangement all designed to handle the tough conditions of high pressure service.
With a multitude of configurations available, you will find a model to meet your varying needs. The HH Series is produced in 1/8″, 1/4″, 3/8″ 1/2″ NPT ends and 1/4″, 3/8″ and 9/16″ cone and threaded ends. Other high pressure connections are available upon request. For corrosive or other volatile applications, the HH Series can be specified in a variety of materials including Titanium, Hastelloy and Inconel.