KROHNE Oil & Gas has a team of specialists dedicated to the design of meter provers, and master meter systems. The range of solutions that the team has supplied to the industry during more than 30 years includes:

	Unidirectional meter provers
	Bidirectional meter provers S
	mall volume meter provers
	Mobile meter provers
	Volumetric tank metering systems
	Piston provers, KROHNE patented
	Master meters

The pipe provers are designed in accordance with the API Manual of Petroleum Measurement Standards (MPMS) Chapter 4, and constructed to International standards such as ASME/ANSI B31.3 and BS6374 Part 4. Normally they are delivered fully assembled, mounted on an open-frame structural steel skid; and comprises a calibrated loop section, launching/receiving chambers, and connection points. The provers are tested to the requirements of the industry codes and standards and those selected by the client.

Among the design advantages that a KOG prover can offer are:

	Unidirectional meter provers incorporating the “Transphere” interchange to facilitate speedy proving cycles. And a significant reduction in footprint area/cost
	Virtually maintenance free prover loop.KROHNE Provers have been in repeatable service over 25 years.

The KROHNE “MicroSet” meter prover sphere detector has shown itself over 25 years to produce volumetric repeatability superior to that required by the API MPMS Chapter 4, ... more