Haskel/Butech high-pressure valves, fittings and tubing systems are available with valve packing and stuffing box options extending their standard -73 to +315 C operating temperature range up to -253 to +648 C, and with a rugged construction ensuring failsafe operation at pressures up to 10,000 bar. Designed for liquid and gas flow control in petroleum, chemical, power generation and general industrial applications, the valves are offered in a variety of body styles and with a choice of panel mounting options.
Needle valve features include a non-rotating stem which prevents galling and scoring and a positive gland locking device. Four stem styles are offered including vee metering and regulating micro-metering. Standard materials of construction are 316 cold worked stainless steel, 17-4 PH long-life stem and glass-filled Teflon packing. Glass-filled packing is offered for high temperature capabilities and alternative valve materials include Hastelloy, Inconel, titanium and Monel.