SERIES S16TB THREADED

DOUBLE WINDOW SIGHT FLOW INDICATOR - CLASS 300 ASME

(Was Model 110S, 150S)

Standard Features:

  • Plain – No indicator for unobstructed view of media flowing in any direction
  • Rotator – Paddlewheel indicator used for clear media to enhance flow indication in any direction
  • Flapper – Side flapper to indicate horizontal flows in one direction for fast moving liquids
  • Drip Tube – For vertical downward flows at low flowrates

Standard Connections:

  • 1/4″ to 2″ NPT (Female)

Standard Ratings:

CLASS 300 ASME (PSIG)
Material100°F200°F250°F300°F400°F500°F
Carbon Steel740680665---
Stainless Steel720620590560515480

Note: Ratings are limited by standard glass and gasket types. For higher ratings, refer to drawings or consult our Sales Dept.
Standard Materials:

Standard Materials
WettedNon-Wetted
Body MaterialIndicatorFlapper/Rotor PinGasketsGlassCushionsGlass RetainersFastenersNameplate
Carbon SteelPTFE Rotor 316SS Flapper 316SS Drip316SSNeopreneTempered BorosilicateGarlock® IFG-5500Carbon SteelPlated CarbonSteelStainless
Steel
Stainless SteelGylon® 3545Carbon Steel

Options:

  • Over 500°F Ratings
  • Buna-N, Fluorocarbon (Viton®), Ethylene Propylene, Gylon®3545, Graphite, and Garlock® IFG-5500 Gaskets
  • Gaseous Indicators
  • Exotic Body Materials (See Matrix)
  • Fused Glass
  • SS Glass Retainers & Fasteners (See Matrix)
  • Glass Shields for Steam and Caustic Applications
  • C of C, MTR, NACE Certifications when requested at time of quotation
  • Socket Weld Connections
  • Offshore Coating
  • Custom Painting

Application Notes:

  • Saturated Steam Service: Upgraded gaskets and mica shields are recommended for saturated steam service. All ratings stated on our website and in our literature are non-steam ratings unless specified otherwise. Always contact our sales office for saturated steam ratings when needed.
  • Gaseous Service: Not designed for lightweight gases
  • Corrosion: Before ordering, verify all materials of our sight flow indicators are compatible with the service media(s), intermittently used cleaners, the environment, and cleaning processes in conjunction with the temperatures and pressures of the application(s) and future applications. John C. Ernst Co. does not make chemical compatibility recommendations. Compatibility is the responsibility of the user.

Replacement Parts:

  • Please contact our Sales Department

Model Number Matrix
Model Number Matrix