I. Brief Introduction:

This series introducesHorizontal T-Type Metal Tube Float FlowmeterThe fluid inlet and outlet directions are left-in, right-out. The sensor material is standard 304 stainless steel (optional 316 or 316L). The indicator in the photo is a local pointer type. For horizontal flowmeters with an orifice size ≤ DN50, a T-type structure is commonly used. Indicators can be selected from other types according to site requirements.

Overview:

    Metal Tube Float Flow MeterThe Tube Float Flowmeter (Metal Tube) is a commonly used variable area flow measurement instrument in industrial automation process control. It features compact size, wide detection range, and ease of use. It is suitable for measuring the flow of liquids, gases, and steam, particularly for low flow rates and low volumes. Over the years, the Metal Tube Float Flowmeter has been widely applied in industries such as petrochemicals, steel, power, metallurgy, light industry, food, pharmaceuticals, and water treatment, thanks to its excellent performance, reliability, and favorable price-performance ratio.

Flowmeter Type:

The TF series metal tube float flowmeter consists of a measuring tube (sensor) and an indicator (electronic converter). By selecting different types of measuring tubes and indicators, various complete units can be assembled to meet on-site requirements.

The TF series metal tube float flowmeters are divided into 5 types based on the direction of fluid entry and exit: vertical type, horizontal type (including horizontal T-type and horizontal spring type), bottom inlet-side outlet type, side inlet-side outlet type, and side inlet-top outlet type. Each type also has standard, high-temperature, jacketed, and other variants.

Horizontal MountFlow meterFor diameters less than or equal to DN50, choose T-type structures; for diameters greater than DN50, opt for spring-loaded structures.

Flowmeter Connection Specifications: The TF series metal tube float flowmeter standard model adopts the GB/T9119-2000 flange standard, which can be customized according to customer requirements; threaded and clamp connection methods are also available.

Indicator Selection:

Users can select from on-site display models, battery-powered, wireless telemetry, intrinsically safe, explosion-proof, or HART protocol-compliant options based on their actual on-site requirements. Detailed descriptions of the various indicators' functions are provided in the table below.

Indicator Type

Instrumentation Function Description

M1 Model

Locally mounted pointer indicates flow rate; no power required, no 4-20mA remote transmission; optional flow alarm unit; scale dial available with either instantaneous flow value or percentage scale value.

M3 Model

Local digital display, battery-powered, no 4-20mA remote transmission, non-explosion proof. LCD shows instantaneous and accumulated flow rates, on-site buttons for viewing and modifying related parameters. Battery life is up to 6 months; replace the battery when the T character appears on the display (Battery Model: ER26500, 3.6V, 7.5AH, -55℃~85℃).

M4 model

Electrical remote transmission, intrinsic safety design, explosion-proof mark ExdⅡCT6, optional HART protocol function. DC24V power supply,现场indicating pointer for instantaneous flow rate and digital display for both instantaneous and accumulated flow rates. Two-wire system with 4-20mA output, the panel features 4 buttons for viewing and modifying internal parameters. Detailed instructions on page 18.

M5 Model

Electrical remote transmission, explosion-proof design with ExdⅡCT6 marking, optional HART protocol function. Powered by DC24V, features on-site pointer indicating instantaneous flow and digital display for both instantaneous and cumulative flow. Two-wire system with 4~20mA output, panel equipped with 4 buttons for viewing and modifying internal parameters.

Feature Highlights:

◆　Suited for low-flow and small-bore medium flow measurement ◆　Reliable operation, minimal maintenance, long service life

◆ Not stringent requirements for straight pipe sections ◆ Wide range ratio of 10:1

◆ Dual-line LCD display, instantaneous/accumulated flow rate shown on-site ◆ Keyboard on the indicator for easy operation and settings

◆ Full metal structure, suitable for high temperature, high pressure, and strong corrosive media ◆ Non-contact magnetic coupling transmission

◆ Suitable for flammable, explosive hazardous environments ◆ Optional DC power or battery-powered operation ◆

◆ Data recovery, data backup, and power failure protection features ◆ Multi-parameter calibration function

Technical Specifications:

Flowmeter sizes: DN15, DN25, DN50, DN80, DN100, DN150 (other sizes available upon manufacturer consultation)

Flow Range: Liquid: 1.0 ~ 150,000 l/h; Gas: 0.05 ~ 3,000 m³/h (see Flow Table on page 11 for detailed flow range)

Range Ratio: 10:1, 20:1 (Special)

Accuracy: 1.5 grade, 1.0 grade (special)

Pressure Class: DN15, DN25, DN50: 4.0 MPa (max 20 MPa)

DN80, DN100, DN150: 1.6 MPa (max: DN80: 10 MPa; DN100: 6.4 MPa; DN150: 4.0 MPa)

Medium Temperature Standard: -30℃ to +120℃; High Temperature: 120℃ to 350℃

Power Supply: 24VDC (12~36VDC)

Output Signal: 4-20 mA DC (two-wire system), with optional HART protocol

Output Load 500Ω (at 24V power supply)

◆ Environmental Temperature: On-site Type: -40℃ to 120℃; Remote Transmission Type: -30℃ to 60℃

Storage Conditions: Temperature: -40℃ to 85℃; Humidity: ≤85%

◆ Connection Type: Flanged connection, Flange Standard: GB/T9119-2000, Users may (other connection types can be negotiated with the manufacturer)

Cable Interface M20x1.5

Shell Protection IP65

◆ Explosion-proof Mark: Intrinsically Safe Type: ExiaIICT6, Flameproof Type: ExdIICT6

◆ Pressure Loss, see flow table

◆ Medium Viscosity: DN15: η < 5 mPa.s, DN25: η < 250 mPa.s, DN50~DN150: η < 300 mPa.s

◆ Liquid Contact Material R1: 304, 1Cr18Ni9Ti; Ro: 316, 0Cr18Ni12Mo2Ti

RL: 316L, 00Cr17Ni14Mo2Ti; Ti: titanium alloy; Rp: polytetrafluoroethylene lining.

Magnetic Filter:

If the medium contains ferromagnetic particles, a magnetic filter should be installed before the flowmeter inlet.