Tecfluid SC-250 Instrukcja Użytkownika

SC-250 Variable Area Flow Meter Series Instructions Manual C-MI-09 Rev.: 4 English Version The following users manuals are included:  AMM Limit Sw

10 Metering Tube 1. JAMMED FLOAT The possible cause in DN-15 to DN-80 floats (5) is that the top central guide rod (3) or the bottom one (6) is bent

11 5673. CALIBRATED ORIFICE (4)—CONICAL FLOAT (5) Check their mechanical state for scratching, impact or chemical attack. If the float is in bad condi

TECFLUID S.A. Narcís Monturiol, 33 E-08960 Sant Just Desvern Tel. + 34 933 724 511 - Fax + 34 934 734 449 E-mail: tecfl

2 Technical Data • Accuracy: Based on VDE / VDI 3513 ± 2,5% of full scale value. On Order: ± 1,6% of full scale value. • Rangeability: 10

DN D k g l x nº B Flange PN A C L 15 95 65 45 14 x 4 16 40 116 45 250 25 115 85 68 14 x 4 18 40 124 45 250 40 150 110 88

14 5160250Ø BØ DAFlow Meter Dimensions with CLAMP ISO 2852 Pipe Fittings Flow Meter Dimensions with DIN 11851 Pipe Fittings Nominal DN 15 15 25 4

5 Working principle The flow meter consists of a calibrated orifice and a conical float. The rising flow pushes the float to an equilibrium point. The

4 6 HORIZONTAL FLOW DIRECTION Figure 1 Figure 2 If the fluid to be measured is a liquid, it is advisable to install a regulating valve BEFORE the flow

7 VALVULA BY-PASS 3 2. VALVULA DE REGULACION 1. VALVULA DE CIERRE 2. VALVULA DE CIERRE VALVULA BY-PASS 3 1. VALVULA DE REGULACION INSTALACION PARA GAS

8 When measuring low pressure gas flow with AISI 316 floats, oscillation of the float often occurs, which makes it very difficult to read the flow rat

9 MECHANICAL MAINTENANCE Indicating housing If operating anomalies are detected with the meter, the following points should be checked. If necessary d