The main meter and the by-pass meter are arranged one behind the other in the direction of flow.
There is no longer any need for the differentiation between the “by-pass meter on the right” and
“by-pass meter on the left”. Removable measuring element consisting of the main meter, the change-over valve and the bypass meter (“3 in 1” concept). A multirange measuring element (compatible
for DN 50, 80 or 100) allows an easy economical  replacement after the calibrated validity period has
expired.

• Main meter with hydrodynamic balanced rotor.
• Spring-loaded change-over valve with low headloss
• By-pass meter specified as a velocity or piston meter cartridge with plug-in non-return valve
• Minimum flowrate (Qmin): 6 l/hour for piston type by-pass meter
• Available in body lengths specified as per DIN 19625 and ISO 7858

Applications

• Measurement of high flow rates with extremely wide spread flow profile
• Measurement of smallest flow rates for leakage detection
• Ideal for fire service pipes

Available Options

• Main and by-pass meters fitted with pulsers (reed, optical)
• Main and by-pass meters equipped with electronic registers (Encoder, Hybrid)
• Spool piece for extension of meter casing as per DIN 19625
• Preparation for quarter inch pressure sensor
• Change-over valve with non-return valve function up to PN 10 as per DIN 3269