Instrument Valves > Specialty Valves > Hex Valve HS31


Hex Valve HS31 Sample and Tank Bottom Drain Valve

The Hex Valve HS31 lets you easily extract a fresh sample while providing a tight shutoff at high pressure and temperatures. The HS31 can be used for difficult fluid sampling applications in viscous liquids, slurries and other products that solidify when cooled or exposed to the atmosphere.

With two outlet ports standard, you can thread a sample cylinder, tube fitting, or piping into one, and attach a check valve, bleed valve, cleanout or purging connection to the other.

Key Specifications

  • Reciprocating stem
  • Two outlet ports standard
  • Standard configurations in carbon steel or stainless steel with integral or seat and TFE or Graphite packing
  • Also available in barstock Monel, Alloy 20, Hastelloy B or C materials

Specifications, Manuals, and Supporting Literature

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Model Selection Guide

Use this table to find the right model for your application.  Don't see the option you need? Call a Lesman sales specialist at 800-953-7626

Two Outlets
Seat Packing Carbon Steel
Catalog Number
Stainless Steel
Catalog Number
1" 1/2" x 1/2" Integral TFE HS311S5131212 HS311U5131212
1" 1/2" x 1/2" Integral Graphite HS311S5131213 HS311U5131213
1" 1/2" x 3/4" Integral TFE HS311S5191212 HS311U5191212
1" 1/2" x 3/4" Integral Graphite HS311S5191213 HS311U5191213


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