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Outside screw and yoke gaugecocks are used for high temperature or corrosive-liquid applications in conjunction with direct reading flat glass gauges in the petroleum, chemical and general process industries.
Penberthy Series 700 Flat Glass Gauge Valves

Specs

Materials
Forged steel, Stainless steel
Sizes
1/2" to 1” (DN 15 to 25)
Gauge Connection
Model 720
Union
Model 730
Rigid
Model 780
Stuffing box
Pressure (Max.)
4000 psi at 100°F (275.8 bar at 38°C)
Temperature Range
-20°F to 750°F (-29°C to 399°C)

Features

  • Offset pattern allows easy cleaning.
  • Outside screw and yoke design isolates the stem thread from the liquid.
  • Solid shank vessel connection.
  • Union, or rigid gauge connections.
  • Ball check shut-off prevents loss of process fluid in the event of an accidental breakage of the gauge glass.
  • Threaded renewable seat.
  • Back seating stem.
  • Built in accordance with ASME standards
  • ​Low Emission to API 624