Variable Area Flowmeter | 335

Description Variable Area Flowmeter | 335 Technical Specifications Dimensions Type 335 d32/DN25 – d75/DN65, 1″ – 2 ½” Measuring tube materials Type 335 PA | PSU | PVC-U transparent Special version PSU-HP Float materials PVDF | PTFE* Gasket material O-rings EPDM | FKM Pressure rating PN10 Scale ranges Type 335 50 – 60’000 l/h Connections Type 335 PVC-U solvent cement sockets Pressure Losses Pressure loss of type 335/350 Scale range (l/h) Type Pressure loss (mbar) 50 – 500 335 22.84 100 – 1000 335 22.84 150 – 1500 335 22.84 250 – 2500 335 22.84 200 – 2000 335 24.99 300 – 3000 335 24.99 600 – 6000 335 24.99 1000 – 10000 335 24.99 1500 – 15000 335 28.23 2000 – 20000 335 45.67 3000 – 30000 335 45.67 8000 – 60000 335 47.24 Measuring Accuracy Measuring accuracy according to VDI/VDE 3513, Error limit value G = 5%, Range of Linearity qG= 50%, this means up to max. /- 5% of the final value. Flowrate in % 10 20 30 40 50 60 70 80 90 100 Total measurement error % of the measured value 13.0 8.0 6.3 5.5 5.0 5.0 5.0 5.0 5.0 5.0 Total measurement error % of full-scale value 1.3 1.6 1.9 2.2 2.5 3.0 3.5 4.0 4.5 5.0 Dimensions Scale range (l/h) Type D (mm) DN (mm) L (mm) L1 (mm) L2 (mm) G (inch) 50 – 500 335 58 25 385 341 335 1 ½ 100 – 1000 335 58 25 385 341 335 1 ½ 150 – 1500 335 72 32 393 341 335 2 250 – 2500 335 72 32 393 341 335 2 200 – 2000 335 83 40 403 341 335 2 ¼ 300 – 3000 335 83 40 403 341 335 2 ¼ 600 – 6000 335 83 40 403 341 335 2 ¼ 600 – 6000 335 101 50 417 341 335 2 ¾ 1000 – 10000 335 101 50 417 341 335 2 ¾ 1500 – 15000 335 101 50 417 341 335 2 ¾ 2000 – 20000 335 135 65 429 341 335 3 ½ 3000 – 30000 335 135 65 429 341 335 3 ½ 8000 – 60000 335 135 65 429 341 335 3 ½