3M175VRM-CTR Roots Gas Meter

Original price was: $3,432.00.Current price is: $2,402.00.

P/N: 055779-012

Out of Stock (4 Week delivery~)

SKU: 055779-012 Categories: ,


Vapor Recovery Version

The Dresser Utility B3 Series Model 3M175VRM-CTR Roots Gas Meter is unchallenged in both accuracy and endurance in its class. Easily view non-compensated readings from a local 5-digit Mechanical Odometer that requires no power. Since 1975, Dresser Utility Solutions Vapor Recover Meters (VRM) have set the standard for California Air Resources Board (CARB) approved Gas Volume Meters. The Dresser VRM is designed for, tested and approved by CARB.

3M175VRM-CTR Roots Gas Meter

  • Flow Rate: 3,000 ACFH (3 Million BTU)
  • 2 Inch ANSI 125/150# Flat Face Flanges
  • 400:1 Turndown Ratio
  • Max Pressure: 175 PSI
  • 5 Digit Mechanical Odometer
  • No Outputs
  • 8 Ounce Meter Oil Included

Temperature Range deg. F -40° to +140°
Base Rating (Q max) acfh 3000
Max. Operating Pressure (MAOP) psig 175
Leak Test (125%) (MAOP) psig 219
Static Test ( 2 x MAOP) psig 350
Rangeability (+/- 1%) ratio 76 : 1
Rangeability (+/- 2%) ratio 139 : 1
Start Rate cfh 2.1
Stop Rate cfh 1.8
Flow Rate @ 0.5″ w.c., Gas cfh 2580
Differential, 100% Flow in. w.c. 1.05
Max. Pressurization Rate psig/sec 5
Max. Operating Speed rpm 2000
Gear Ratio ratio 40:1
Displaced Volume/Rev. cf 0.025
Nominal Pipe Size in 2
Flange-to-Flange in 6-3/4
Flange Connection ANSI 150#FF
Bolts per Flange qty. 4
Bolt Size1 in 5/8 – 11
Flange Bolt Hole Depth in 15/16
Bolt Torque: Lubricated/Non-Lub ft-lb 55/60
Oil Capacity – Side Inlet oz. 1.25
Oil Capacity – Top Inlet oz 7.65

Easy To Install.

No straight pipe requirements. Furthermore all the B3 Series gas meters we stock are fitted with Flat Face Flanges for quick removal.

Very Low Pressure Differentials.

First lowering the max operating speed provides lower pressure differentials for low pressure applications. Secondly extending the meter’s life. Thirdly saving you money over time.

Weather Resistant.

There’s no doubt these meters can handle tough conditions! As a result this unit will easily handle dirt, rain, ice and snow. Additionally having security knowing your meter will handle tough conditions.

Simple Display Design.

A truly easy to read local Mechanical Odometer requires no power to read. On the other hand since they’ve removed the Oil from the cover things have improved immensely.


Needs change over time. For this reason we offer Dresser Accessory Hardware Conversion Kits for easy install of remote capabilities. Consequently helping you if you need to change anything in the future. Check out the Riotronics Pulse Adapter Kit to easily add a dry contact output.

Prover Tested.

All meters will ship with signed calibration documentation from the factory workers at Dresser. In fact, a final analysis your certified 3M175VRM-CTR Roots Gas Meter is tested by industry leading technology.

Lifetime Tech Support.

We are an official certified representative & stocking distributor for Dresser Utility Solutions. It’s true, we have in field technical experience since 1951. Otherwise, if you ever have any questions we would love to help! Afterwards, check out our blog for some bonus information to learn more about our amazing line of products.

Includes 1 Year Warranty.

If it wasn’t enough that these meters are built like a true juggernaut to last year after year, Dresser has included a 1 year warranty. You’re truly covered. Dresser Roots Gas Meters are made to keep working in commercial and residential locations.


Finally, for more information on the 3M175 B3 Series you can give us a call 1-800-922-8897 or visit the Dresser Utility Solutions website anytime.

Additional information

Weight 34 lbs
Dimensions 27 × 11 × 9 in