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Hex offers a bellows stem seal option for use on Hex instrument valves in the control and monitoring of corrosive chemicals, hazardous materials or any application where leakage and containment are primary considerations.
Hex gauge syphons act as thermal and liquid seal barriers between hot process vapors (such as steam and heat transfer fluids) and the gauge pressure instrument.
The HB24/25/26/27 Series Bleed Valves are available individually, or optionally threaded into an unused outlet port on a variety of Hex Valve models.
The HB50 features a fully packed and backseated block valve along with a bleed valve with directional discharge tube and stem stop. With a gauge or transmitter threaded into its outlet, the HB50 will allow pressure to be bled and blocked for simplified instrument removal.
The Hex HB52 Bleed Tee is ideal for modernizing outdated, non-bleed gauge installations. During instrument maintenance, simply thread the HB52 into the outlet of an existing block valve.
For more critical services, the HB59 Integral Block and Bleed Valve combines a fully packed backseated block valve and a fully packed backseated bleed valve into a single, streamlined assembly that minimizes threaded connections.
The HG12 features a built-in vent or bleed screw on the outlet side of the valve. In process line mounted instrument or signal line tubing, venting, or line filling capabilities can be an added feature
The HG35 gauge valve, with a male inlet and a male outlet, meets the applications requirement for a block and bleed valve without the need for a close nipple when connecting to a female port on a gauge pressure transmitter rated to 6980 psi.
Compared to traditional piping methods using gate valves, tees and nipples, the HG46 provides a quick, inexpensive and compact means of installing gauges and static pressure instrumentation.
A roddable, hard seated orifice valve that overcomes the drawbacks of conventional valve designs. Ideal for use on high temperature, viscous services, the HG47 provides full port, unrestricted flow.
The HG48 gauge/block valve provides three outlet connections to facilitate the mounting of gauges and other static pressure instruments in a variety of positions.
Orifice Block Valves are designed for compact side-by-side mounting on standard orifice flanges, condensate chambers, mercury traps, and seal traps. Two outlet ports are provided for impulse line connections or for pressure gauge or level gauge mounting. The HG65 is ideal for light hydrocarbons or utility service.
The HO25 features an OS&Y bolted bonnet and two outlet ports. The HO25 is more compact and has a shorter profile than the HG65 model.
Hex HT03 and HT01 high temperature globe valves are designed for service to 1500°F at 500 psi working pressure. They are available in sizes up to 1-1/2″ with NPT, socket weld, butt weld or flanged end connections.
