Flow Meter LC M7 Liquid Controls rotary motion positive displacement (PD) meters offer the ultimate in measurement accuracy for custody transfer of petroleum products, aviation fuels, LPG, and a board range of industrial Liquids. LC meters incorporate a unique design, presenting minimal intrusion in a flowing stream of liquid, as well as minimal pressure drop through the meter.
The LC meter consists of a housing in which three synchronized rotors turn with no metal-to-metal contact. Hydraulic sealing is accomplished by a stationary boundary layer of liquid, not by the wiping action of mechanical parts.
Superior performance features
- Low pressure drop— will operated on gravity flow or pump pressure.
- Sustained accuracy — no wear from metal-to-metal contact inside the measuring chamber means minimal deterioration in accuracy over time, fewer recalibrations, and longer service life. Meters conform to NIST and International weights and measures accuracy requirements.
- Wide temperature range–products can be metered accurately from -40° F (-40° C) to 160° F (71° C).
- Wide viscosity range— LC meters can accurately from less than 30 SSU (less than 1 centipoise) to 1,500,000 SSU (325,000 centipoise).
- Maximum adaptability—right angle design with choice of stock or custom elbows/fittings provides unequaled mounting flexibility to meet your installation requirements.
Industries served
LC series M and MA meters are well suited for use in industries requiring precise flow measurement and reliable, extended service life:
- Refined petroleum products
- Aviation fuels
- LPG
- Agricultural chemicals
- Paints and coatings
- Foods and beverages
- Petrochemicals
- Pharmaceuticals
- Cosmetics
- Printing Inks
- Textiles
Performance Specifications
Liquid Controls positive displacement meters are engineered to provide accurate performance and a long, trouble free service life requiring minimal maintenance with few replacement parts. The unique cast-case construction of the M and MA Series meters results in low pressure drop for most liquids, delivering superior performance and minimal demand on system pumps. The exclusive LC metering element eliminates inaccuracies due to clearance changes, minimizes loads on bearings, eliminates axial thrust and performs with equal accuracy for forward or reverse flow. M and MA Series meters’ compact design and multiple inlet/outlet flange configurations provide unmatched mounting versatility.
LC meters meet NTEP (NIST Handbook 44) and International Weights and Measures accuracy requirements as well as U.S. Military specifications. MA Series meters are UL listed for metering liquid propane gas (LPG).
Accuracy/Performance*
Repeatability
Capable of 0.02% or better at any flow rate over entire range
Linearity
- Over 5:1 range
Mech. registration: capable of ±0.125% or better from max. nom. flow rate
Elect. registration: capable of ±0.10% or better from max. nom. flow rate - Over 10:1 range
Mech. registration: capable of ±0.22% or better from max. nom. flow rate
Elect. registration: capable of ±0.10% or better from max. nom. flow rate - Over 40:1 range
Mech. registration: capable of ±0.5% or better from max. nom. flow rate
Elect. registration: capable of ±0.15% or better from max. nom. flow rate
Temperature range
-40º F to 160º F (-40º C to 71º C)
- Stated accuracy obtainable when all variables remain constant. Reading/measurement reflect a minimum of one minute of flow at selected rate (s). All accuracy statements based on metering safety solvent (aliphatic hydrocarbon), approximate viscosity 1 CPS. On higher viscosity products, the average deviation in accuracy will be less.
Construction
Meter housing and rotors
- Cast aluminum , cast-iron (available for M-7 and M-30), or stainless steel (available for M5 and M7)
Internal Components
- Aluminum, Ni resist , stainless steel
Seal materials
- UL recognized component: Buna-N , Viton, PTFE
Bearings
- Carbon, PTFE, Ni-Resist
- Viton® is a registered trademarks of DuPont Corporation.
- Victaulic® is a registered trademark of Victaulic Company.
Specification
- Model : M7
- Flange size : 1½” or 2″
- Max. nom. flow rate : 100 GPM 380L/min
- Working pressure ; 150 PSI, 10.5 BAR
- Net weight : 19 lbs , 8.6 kg