1 4000 11 - Metering station LF with reduced kv, for differential pressure measurement at low flow rates, other design features as listed below.

1 4000 21 - Metering station MF with kvs value = 1.1 for differential pressure measurement at moderate flow rates, other design features as listed below.

1 4000 01, 1 4000 02, 1 4000 03, 1 4000 04, 1 4000 05, 1 4000 06 -  inlet with female thread, outlet with male thread, PN 20 from -20°C to 130°C (to DN32), 110°C (from DN40). Body of dezincification-resistant brass, for flow measurement. Two test points (0284).