Type 8026
12Pages

Catalog excerpts

DATA SHEET Insertion flowmeter with paddle wheel, ELEMENT design • Up to PN10, size of measurement pipes: DN 20…DN 400 • Configurable outputs: one or two transistor output(s) and one or two 4…20 mA current output(s) • Removable backlit display/configuration module for indication of flow rate and volume with two flow totalizers • Automatic calibration using Teach-In, all outputs can be checked without the need for actual flow Product variants described in the data sheet may differ from the product presentation and description. Can be combined with Type 8692  Digital electropneumatic Positioner for the integrated mounting on process control valves Type 2030  Pneumatically operated 2/2 way diaphragm valve CLASSIC with plastic body Type 8644  Remote Process Actuation Control System AirLINE Type 2101  Pneumatically operated 2/2-way globe valve ELEMENT for decentralised automation Type 8611  eCONTROL - Universal controller Type description The flowmeter Type 8026 is a compact device, specially designed for measuring the flow rate in solid-free liquids, in a variety of applications (water, waste water monitoring, chemical processing, etc.). Type 8026 is available with: • 2 configurable outputs: one transistor output (NPN) and one 4…20 mA current output (2-wire) • 3 configurable outputs: two transistor outputs (NPN/PNP) and one 4…20 mA current output (2-wire) • 4 configurable outputs: two transistor outputs (NPN/PNP) and two 4…20 mA current outputs (3-wire). Type 8026 converts the measured signal, displays different values in different units (if display/configuration module mounted) and computes the output signals, which are provided via one or two M12 fixed connectors. Thanks to 1 or 2 transistor outputs, the flowmeter can be used to switch a solenoid valve, activate an alarm and, thanks to 1 or 2 current outputs, establish one or two control loops. Type S020  Insertion fitting for flow or analytical measurement Type 8619  multiCELL - Multi-channel and multi-function transmitter/controller 1000128706 | Standard | EU | en | 202010 | 13 © Christian Bürkert GmbH & Co. KG, Subj

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Table of contents 1. General technical data 8. Product design and assembly 9. Networking and combination with other Bürkert products Visit product website

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1. General technical data Note: If the device is mounted in a humid environment or outside, then the maximum voltage allowed is 35 V DC instead of 36 V DC. Product properties Material Please make sure the device materials are compatible with the fluid you are using. Detailed information can be found in chapter “3.1. Chemical Resistance Chart – Bürkert resistApp” on page 5. Non wetted parts Housing Cover Display/configuration module Navigation key Union nut Seals Screws Fixed connector holder Fixed connector Wetted parts Seal Axis and bearings Sensor armature, paddle wheel Dimensions...

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Outputs Transistor • 1 transistor output (transmitter 2-wire): –– NPN, open collector –– 1…36 V DC –– Max. 700 mA • 2 transistor outputs (transmitter 2 or 3-wire): –– Adjustable as sourcing or sinking (respectively both as PNP or NPN ), open collector –– Max. 700 mA –– 0.5 A max. per transistor if the 2 transistor outputs are wired –– NPN-output: 1…36 V DC Voltage supply cable –– PNP-output: Power supply 4…20 mA adjustable as sourcing or sinking (in the same mode as transistor): • 1 current output (transmitter 2-wire) Max. loop impedance: 1100 Ω at 36 V DC; 610 Ω at 24 V DC; 180 Ω at 14 V...

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Equipment mobility Application range Installation category Pollution degree Fixed Indoor and outdoor (protect the device against electromagnetic interference, ultraviolet rays and against the effects of climatic conditions) Category I according to UL/EN 61010‑1 Degree 2 according to UL/EN 61010‑1 1.) Restricted to some fitting process connections 2.) Under reference conditions i.e. measuring fluid = water, ambient and water temperature = 20 °C (68 °F), while maintaining the minimum inlet and outlet distances and the appropriate internal diameters of the pipes. 2. Approvals 2.1....

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Element Cover Seal Housing (top) Seal Fixed connector holder M12 fixed connector Housing (body) Seal Housing (base) Union nut Sensor armature Axis and bearings Paddle wheel Material PC Silicone PPS EPDM Stainless steel Brass nickel plated Stainless steel EPDM PPS PC PVDF Ceramics (Al2O3) PVDF 4. Dimensions 4.1. Flowmeter Note: Specifications in mm 97 Visit product website 

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4.2. Flowmeter installed in a S020 fitting Note: Specifications in mm DN 5. Performance specifications 5.1. Pressure temperature diagram Application range for complete device (ﬁtting Type S020 + ﬂowmeter Type 8026)

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6. Product installation 6.1. Installation notes Note: The flowmeter is not designed for gas and steam flow measurement. Minimum straight upstream and downstream distances must be observed. According to the pipe’s design, necessary distances can be bigger or use a flow conditioner to obtain the best accuracy. For more information, please refer to EN ISO 5167‑1. EN ISO 5167‑1 specifies the straight inlet and outlet distances that must be complied with when installing fittings in pipe lines in order to achieve calm flow conditions. The most important layouts that could lead to turbulence in...

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8. Product design and assembly 8.1. Product assembly Note: • The 8026 flowmeter can easily be installed into any Bürkert Insertion fitting system (S020) by just fixing the main nut. • The S020 Insertion fitting ensures simple installation into pipes from DN 20…DN 400. See data sheet Type S020  for more information. The device is equipped with a sensor with a paddle wheel, available in long or short version (dependent on the size of the used fitting). This sensor holder is plugged-in and pinned to an enclosure with cover containing the electronic module. A removable display/configuration...

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