Unidirectional Captive Displacement Provers

Standard Features Include:

Designed and manufactured in the United States
Industry standard double chronometry per API 4.6
Conforms to API 4.2 "Displacement Provers"
Equal upstream and downstream displaced volumes
Stainless Steel and PTFE materials used on all liquid contacting surfaces
Galvanized frame per ASTM 123A
Shock mounted isolation pads provide independent drive end support
Three point installation for secure mounting on uneven surfaces
2" flanges allow rapid draining
Drain orientation provides the ability to point drain valves in multiple clocked directions
2" vents with check thermo well and pressure verification ports
Tool-less access to most common serviceable components
Standard horiziontally mounted units
Designed for Class 1 Div 1 environments
NACE compliant
Sealed and crated to international standards
Feature rich "Prover Interface Module" (PIM)

Optional Features Include:

Maintenance assembly/disassembly jib boom and gantry provide ease of field maintenance
316 stainless steel external structural components available for harsh environments
Trailer and truck mounts
Many options available for portable units
Service drip pans for all environmentally critical areas
Nitrogen purged upstream and downstream shaft enclosures
Ball or gate drain valves
Selection of pressure sensors
Selection of temperature sensors
Gas detection sensors
Vertically mounted units