Bliss Americas is a leading manufacturer of level, pressure and flow instrumentation serving the chemical, petrochemical, oil & gas industries. The Bliss culture of having “The Spirit to Walk an Extra Mile”, provides customers with excellent products and service from concept to post-sale for more than 40 years.

Products

Magnetic Level Gauge

Magnetic Level Gauges by Bliss are highly accurate, low-maintenance visual indicator solutions while eliminating leak points and fugitive emissions. Their robust designs support a wide range of applications to include high temperature, high pressure and corrosive mediums.

Design Features

  • Permanent local indication without external power supply
  • Full bore and full penetration welding
  • Helium leak tested titanium floats - standard (other materials available)
  • Float failure indication - standard
  • Floats engraved with design specifications and orientation indication
  • 360⁰ magnetic flux coupling from the float to the indicator
  • Pressures up to 3000 PSI max
  • Magnetostrictive and radar transmitter options for non-invasive and/or redundant level control
  • Optional adjustable alarm switches for low and/or high level indication
  • Indicating assembly certified to IP-66
  • Manufactured to meet ASME B31.1/B31.3 or PED 97/23 as specified

Advantages

  • Wide track indication visible up to 200 ft away
  • At design conditions, measurement is unaffected by pressure, vacuum, or temperature
  • Minimal sensitivity to density variation
  • Full corrosion resistance system
  • Stronger weld joints than competitor designs
  • Full bore / full penetration welds
  • No accumulation of process fluid on the nozzle
  • No extruded outlets
  • No process liquid in contact with indicator glass
  • Engineered solutions for cryogenic and flashing applications
  • Suited for high-temperature, high-pressure and corrosive applications
  • Lifetime warranty on non-wearing mechanical parts

Common Applications

  • Feedwater heaters
  • Industrial boilers
  • Oil/water separators
  • Flash drums
  • Surge tanks
  • Gas chillers
  • Deaerators
  • Blowdown flash tanks
  • Hot wells
  • Vacuum tower bottoms
  • Boiler drums
  • Propane vessels
  • Storage tanks

Magnetostrictive Level Transmitter

The Bliss Magnetostrictive Level Sensor provides an analog output for MLG applications. This 3-in-1 solution allows for product level measurement, interface level and temperature all in one instrument.

Design Features

  • 4-20 mA analog output with HART® protocol
  • Adjustable alarm set points
  • Factory calibrated with MLG
  • Explosion-proof and/or intrinsically safe
  • FM and CSA approvals
  • Enclosure rating to NEMA 4X
  • Cast aluminum or SS enclosures
  • 316SS sensor rod, standard
  • On-board display and keypad for local indication and programming

Advantages

  • No drift due to changes in: dielectric, vapor composition, temperature or pressure
  • AMS aware
  • No direct contact with process fluid
  • Magnetically coupled to float
  • Easy installation on MLG column
  • No maintenance or recalibration required

Common Applications

  • Feedwater heaters
  • Industrial boilers
  • Oil/water separators
  • Flash drums
  • Surge tanks
  • Gas chillers
  • Deaerators
  • Blowdown flash tanks
  • Hot wells
  • Vacuum tower bottoms
  • Boiler drums
  • Propane vessels
  • Storage tanks

Radar Level Gauge

The BlissFlex guided wave radar and BlissWave non-contact radar level gauges are two wire, loop powered HART® TDR level meters for liquids and solids that can be housed vertically or horizontally to suit every installation.

Design Features

  • Standard transmitter mounted directly above probe
  • Optional remote display that can be installed up to 328’ from the probe
  • Submersible or non-contact options
  • Stilling chamber or direct tank mounting
  • Dynamic parasite rejection (DPR) – Software dynamically eliminates false reflections
  • Quick coupling system permits removal of the transmitter under process conditions
  • 360⁰ rotation of screen display (2200 and 5200 models only)
  • Display keypad directly accessible without opening the cover (2200 and 5200 models only)
  • Horizontal or vertical housing position
  • Free PACTware™ DTM for easy setup and programming
  • Additional capabilities available based on model selection
  • BlissWave 5200 Design Features:
  • 2-Wire non-contact Radar
  • 4-20mA output with HART® protocol
  • Measures liquids, pastes or slurries
  • Wetted parts in SS, PP, PTFE (others on request)
  • Measuring range: up to 98’
  • Pressures up to 580 psi
  • Temperatures up to 482F
  • FM, IECEx, ATEX, and INMETRO certified available for hazardous areas
  • Aluminum or stainless steel housing
  • BlissFlex GWR 2200 Design Features:
  • Modular TDR Level Transmitter / Guided Wave Radar (GWR)
  • Large selection of probes to solve a wide range of applications
  • Aluminum or stainless steel housing
  • LCD display with 4-button keypad
  • 4-20mA output with HART® protocol
  • Optional Modbus communication
  • Measuring range: 130’ for liquids / 65’ for solids
  • Temperatures up to 572⁰F
  • Pressures up to 580 PSI
  • SIL2 compliant according to IEC61508 for safety related systems
  • Diagnosis functions according to NE107; conforms to NE 21, NE 43 and NE 53 NAMUR standards
  • FM, IECEx, ATEX, and INMETRO certified for hazardous areas

Common Applications

  • Storage tanks
  • Chemical storage
  • Oil/water separators
  • Redundant level indication
  • Oil/Water transition indication
  • Storage tanks

Acurage Auto Calibrating Radar Level Gauge

Unique, level-measuring instrument combining a radar transmitter and a built-in sight glass designed to solve challenging applications.

Design Features

  • Spot calibration of radar transmitter
  • Choice of guided wave or non-contact radar
  • Fully functional in power failure modes
  • Illuminator options – conventional or LED
  • Interface visibility (transparent type only)
  • Scale available in custom units – linear, volume or percentage
  • 4-20mA output with HART®, FOUNDATION™ fieldbus and PROFIBUS PA protocols
  • FM, IECEx, ATEX, and INMETRO certified for hazardous areas

Advantages

  • Real time, true level of process fluid
  • True redundancy
  • No interference from magnetic ferrous particulate (unlike MLG)
  • Maintains accuracy if specific gravity changes (unlike MLG)
  • Well suited for flashing, foaming and cryogenic services
  • No dip tube required: open valves to calibrate radar under process conditions

Common Applications

  • Blowdown tanks
  • Boiler drums
  • Condensation tanks
  • Deaerators
  • Feedwater heaters
  • Gas chillers
  • Industrial boilers
  • Oil/water separators
  • Propane vessels
  • Storage tanks
  • Surge tanks

Sight Flow Indicators

The Bliss sight flow indicators provide an effective way to view the condition of fluid mediums flowing through processes at nearly any flow, pressure or temperature. The indicators also enable inspection for dirt, scale or foreign matter. This instrument delivers a significant advantage over electronic devices when it is difficult to distinguish if a malfunction or other flow problem exists.

Design Features

  • Full view or double window types
  • Flapper, Rotary and Drip designs available
  • Vertical or horizontal installation
  • Flanged or screw mounting
  • Wide variety of materials of construction