Item: 055209-011
Price: $1,183.94
Product Reviews
Stock Status: In Stock


Series B3 Roots Gas Meters are designed to provide accurate gas measurement over widely fluctuating flow, pressure, and temperature conditions. For further versatility, the five smallest meter sizes (8C through 3M) have 2 (50 mm) flanged connections and a 6-3/4 (171 mm) flange-to-flange dimension. If application requirements change, this unique, cost-effective feature allows a quick and easy meter exchange without the need to re-pipe the meter set.


  • Capacity ratings from 800 CFH to 56,000 CFH (22,6 m3/h to 1,585 m3/h)
  • Maximum operating pressure rating of 175 PSIG (12 Bar)
  • Models 8C through 5M are available with a 200 PSIG (13,8 Bar) rating upon request
  • Models 8C through 2M are available with a 1-1/2 nippled connections upon request
  • Operating temperature range from -40F to +140F (-40C to +60C)

    11C175 ROOTS METER

  • Max. Operating Pressure (MAOP)
    175 psig
  • Rangeability +/- 1%
    31:1 ratio
  • Rangeablility +/- 2%
    58:1 ratio
  • Start Rate
    2.3 cfh
  • Stop Rate
    1.74 cfh
  • Flow Rate @ 0.5" w.c., Gas
    1100 cfh
  • Min. Odometer Reading
    0.2 cf
  • Nominal Pipe Size
    2 in.
  • Flange-to-Flange
    6-3/4 in.
  • Flange Connection
    150#FF ANSI
  • Bolts Per Flange
    4 qty.
  • Bolt Size
    5/8" - 11"
  • Flange Bolt Hole Depth
  • Bolt Torque: Lubricated/Non-Lub.
    55/60 ft.-lb
  • Oil Capacity - Side Inlet
    0.8 oz
  • Oil Capacity - Top Inlet
    3 oz
  • Shipping Weight -
    24 lbs.

  • Roots 11C175 CTR Series B3 Meter Technical Bulletin.
    Roots Meters Catalog.
    Roots Meters Manual.
    Select the needed Check box and click on Add to Cart of ROOTS 11C175 CTR SERIES B3 METER.
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