RIV400 Flowmeters metal tube for small flow Riels®Instruments
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Catalog excerpts

RIV400 Flowmeters metal tube for small flow Riels®Instruments - 1

FLOWMETERS FOR SMALL FLOW FLOW CONTROLS Flowmeters for small flow-rates Flowmeters Riels®Instruments RIV400 are all-metal flow indicators for the measurement of gas or liquid flow-rates at high pressure and temperature with magnetic coupling for external reading. Besides the standard version, indicator flow meter, it is available also electronic microprocessor transmitter - two wire technology - for safe areas (EEx i execution) on request. This model flow regulator, needle valve and minimum and maximum flow rate alarm switches. No gaskets. Flanged or screwed connections (top/bottom or elbow). Construction materials Tutti i dati ed i contenuti di questa scheda sono di proprietà esclusiva di Riels Instruments - Metering tube: AISI 316L stainless steel (other materials on request) - Float: AISI 316L stainless steel (other materials on request) - Housing: die cast aluminium epoxy paint fnish (RAL 7001). Indicator Flowmeters with or without alarm - Technical features Scale Length Accuracy Repeatability Tightness degree (housing) Max allowable pressure Temperature Alarms Feeding Current consumption Repeatability 60 mm ± 2,5% v.f.s. (better on request) 1% v.f.s. IP 65 (IP 67 on request) 150 bar (higher on request) See table 1 for minimum or/and maximum flow, inductive type, adjustable on all the scale range. They can be certifed for classifed areas ATEX - CENELEC EEx ia IIC T68 Vcc 8 Vcc With metal <1mA Without meta >3 mA <0,4% v.f.s. Technical features - Otherwise for minimum or/and maximum flow, PNP bistable type, adjustable on all the scale range 24 Vcc screwed 1/2” gas thread or NPT (L5-2600). Flanged PN16 DN15 UNI or ANSI standards. On request: screwed 1/4” NPT f Alarms Feeding Connections Temperature RIV400 Indicator or micropr. 4÷20mA Standard Cover Without alarms With alarms Maximum Fluid Temperature at 40°C (104°F) environment temperature

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RIV400 Flowmeters metal tube for small flow Riels®Instruments - 2

Flowmeters with microprocessor transmitter 4÷20 MA Two wire technology - Smart technology with or without alarms Scale Length Accuracy Repeatability Electronic Reply Time (99%) Feeding Analogic Output Tightness degree (housing) Max pressure Temperature Connections Alarms 60 mm ± 1% v.f.s. (standard) 0,5% v.f.s. < 0,5 s Levels 24 V dc ± 10% 4 ÷20 mA with serial port communication overlapped to HART® protocol (on request) IP65, (IP67 on request) 150 bar (higher on request) see table 1 1/2" gas or NPT threaded (mod. L5-2600); PN16 DN15 UNI or ANSI flanged. On request 1/4" NPTf threaded 1 or 2...

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RIV400 Flowmeters metal tube for small flow Riels®Instruments - 3

Metal tube Flowmeters coding Model RIV400 Options HART protocol /5 1 alarm bistable Namur 6 2 alarms bistable Namur /7 1 alarm bistable PNP /7 R 1 al. bist. PNP with relay board /9 1 al. bist. PNP 4 wires /8 2 alarms bistable PNP /10 2 al. bist. PNP 4 wires /T High/low temperature exec. /6 /T Tutti i dati ed i contenuti di questa scheda sono di proprietà esclusiva di Riels Instruments Connections Screwed NPT f. Gas f 1/2"(optional 1/4") Flanged EN 1092-1, ANSI Code Measuring tube size 2600 1/2" Code Options /39 Indicator /38 Microprocessor 4÷20 mA /Ex1 EEx ia IIC T& Zona 1 Code /H

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