Catalog excerpts
Glass tube flowmeters Series 6000 Variable area flowmeter for liquids and gases Easy installation Local indication by means of direct reading Low pressure drop Scales directly in l/h, m3/h, kg/h, l/min, %, etc. Plastic protection against accidental breakage of the glass tube Flow rate: - Water: 2.5 l/h ... 50 m3/h - Air: 45 Nl/h ... 1500 Nm3/h Accuracy: 1.6% (qG=50%) Connections: - BSP or NPT threaded connections: ½” ... 3” - EN 1092-1 or ANSI flanges: DN15 ... DN80 Other flange standards on request - Sanitary couplings according to ISO 2852, SMS 1145, DIN 11851, TRI-CLAMP® Materials: - Measuring tube: borosilicate glass - Frame: galvanized and coated steel, EN 1.4301 (AISI 304) - Protection shield: metacrylate - Wetted parts: galvanized and coated steel, EN 1.4404 (AISI 316L), PVC, PP, PTFE, PVDF - Float: EN 1.4404 (SS 316L), PVC, PP, PTFE, PVDF Local indication Options: - 1 or 2 limit switches - Electronic transmitter with 4-20 mA analog output for safe or hazardous area (Ex ia IIC T6 protection, ATEX certified). HART, FIE
Open the catalog to page 1 6000-PVC wetted parts in PVC. Other components in Working principle The 6000 series flowmeters work according to variable area principle, which is obtained by a float that moves inside a borosilicate glass tapered tube. The fluid flows up through the tapered tube forcing the float to a position with sufficient free area to enable the flow to pass, where there is an equilibrium of forces: - E = force of the fluid flow galvanized and coated steel wetted parts in PP. Other components in galvanized and coated steel 6000-PTFE wetted parts in PTFE. Other components in galvanized and coated...
Open the catalog to page 2Glass tube flowmeters Series 6000 Materials Flowmeters with guided float Frame gasket Measuring tube Springs / Stops Connector gasket Borosilicate glass AISI 316L / Aluminium / PVDF-Pb / PVC-Pb / Flange seat Centering ring In all cases, galvanized and coated steel - Other gasket materials on request: VITON®, EPDM * Only the most usual are shown. Float material might change depending on application requirements. ** For low flows.
Open the catalog to page 3Models 6001 (BSP / NPT) - 6009 (socket / welding)
Open the catalog to page 4Glass tube flowmeters Series 6000 Flow ranges Flow scales Flow scales Aluminium float 2.85 g/cm³ Glass float 2.60 g/cm³
Open the catalog to page 5Flow rate equivalent curves water-liquids (with different density and viscosity) Flow rate Flow rate Change in viscosity (graph 1) Change in density (graph 2) Viscosity (mPa·s) for density 1 kg/l Nº 1. Changes in density (graph 2) If the point lies between two curves, it is optional to select: Required flow rate 1000 I/h, density 1.4 kg/I. Enter the graph at the 1000 I/h point. Move horizontally across to applicable flow tube line (C313-1000), travel the inclined line to the point of the density of the fluid (1.4 kg/I). Travel horizontally to the vertical axis and read the equivalent flow...
Open the catalog to page 6Glass tube flowmeters Series 6000 Limit switches Adjustable limit switch PT-AMR Adjustable limit switch 60-AMM (Flow rate from 10-100 l/h water and equivalent air ranges. AISI 304 frame is required for flow ranges 10-100, 16-160 and 25-250 l/h water and equivalent air ranges) (Flow rate from 40-400 l/h water and equivalent air ranges) Bi-stable SPST reed switch, actuated by a magnet inside the float and mounted in a PVC enclosure. 60-AMM1 … 2: 1 … 2 adjustable limit switches PT-AMR1 ... 2: 1 ... 2 adjustable limit switches Contact rating: 0.5 A / 250 V / 12 VA Hysteresis: ±5% of...
Open the catalog to page 7Adjustable limit switch 60-AMO (Flow rate up to 25-250 l/h water and equivalent air ranges) Infrared optical switch, actuated by the float when crossing the beam, mounted in a plastic enclosure and supplied together with control relay in an aluminium housing. Suitable for all float materials except glass. 60-AMO1 ... 2: 1 ... 2 adjustable limit switches Contact rating: 1A 220 VAC / 50Hz Hysteresis: ±5% of full scale value Ambient temperature: -10ºC ... +80ºC Power supply: 220 VAC / 50Hz or 24 VDC - 8 ... 35 VDC, safe area version (Flow rate from 40-400 l/h water equivalent...
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