LitreMeter’s Rotary Piston Flow Meter design is known worldwide as the extreme low flow specialist at pressure ranges up to 60,000 PSI. Since 1975, with manufacturing facilities near Buckingham, UK, LitreMeter customizes and engineers each meter to meet the most challenging applications in oil and gas.


VFF Rotary Piston Meters

Purpose built for offshore chemical injection applications, the positive displacement VFF rotary piston design provides robust construction with low flow capabilities.

Design Features

  • Flow ranges from .001 to 1190 GPH
  • Pressure ranges up to 60,000 PSI
  • Accuracy up to 1% of reading
  • Wide turn-down ratio of up to 100:1
  • Bi-directional flow capability
  • Single moving part
  • Wide viscosity range
  • Corrosion resistant materials (duplex, super-duplex, hastelloy, titanium)
  • Multiple process connection options (Autoclave, Swagelok, MPI, NPT, BSPP)
  • Very low maintenance
  • 4-20mA, pulse, or voltage outputs with local display
  • Full HART 7 communication optional
  • FM, ATEX, or IECEx certifications available

Common Applications

  • Corrosion Inhibitors
  • Methanol
  • Biocides
  • Scale Inhibitors
  • Demulsifiers
  • LDHI
  • H2S Scavangers
  • Subsea hydraulics

LM & MM Pelton Wheel Meters

Optimally suited for light viscosity, low flow applications, the time tested pelton wheel design offers a cost effective solution for challenging process conditions.

Design Features

  • Flow ranges from .001 up to 8000 GPH
  • Pressures up to 30,000 PSI
  • Accuracy of 2% of reading
  • Low friction sapphire ball bearing
  • Turn down ratios of 200:1
  • Low pressure loss
  • Wide variety of materials from all plastic to 316SS and Titanium
  • Multiple process connection options
  • Flexible NPN pulse output

Common Applications

  • Corrosion Inhibitors
  • Methanol
  • Feul flow in test stands
  • Water
  • Catalyst injection
  • Fertilizers
  • Pesticides