turbine flow meter

GTF300 Liquid Turbine Flow Meter | GAIMC

Product Overview

The GTF300 Liquid Turbine Flow Meter is a new-generation turbine flow meter designed with advanced domestic and international flow technologies. It features a simple structure, lightweight design, high accuracy, excellent repeatability, short response time, and easy installation—ideal for measuring pure liquids in closed pipe systems (liquids that do not react with 1Cr18Ni9Ti, 2Cr13, Al₂O₃, and hard alloys).

The meter is suitable for liquids with kinematic viscosity ≤5×10⁻⁶m²/s; for liquids with higher viscosity, on-site calibration with the actual medium is required. It can be paired with dedicated display instruments to realize functions such as flow control and overflow alarm, and supports multiple sensor options (low-temperature type, dual-flow-direction type, well type, sandy medium type, etc.) for diverse application needs.

GTF300 Liquid Turbine Flow Meter Main Unit

Key Features

📊

High Accuracy & Repeatability

±1%R (default), ±0.5%R (optional); short-term repeatability 0.05%~0.2%, suitable for trade measurement.

📡

Multiple Output Options

Pulse, 4-20mA analog, RS485 (Modbus-RTU), HART; high-frequency signal (3~4kHz) for high resolution.

📏

Wide Range Ratio

1:20 for medium/large diameters, 1:10 for small diameters, adapting to diverse flow scenarios.

🛡️

High Pressure Adaptability

No housing openings, suitable for high-pressure environments; IP65 protection, ExdIIBT6 explosion-proof (optional).

🔧

Easy Installation

Flange/screw/loose flange connections; insertion type for large diameters (no shutdown during maintenance).

🔄

Special Sensor Options

Supports low-temperature, dual-flow-direction, well-type, and sandy medium sensors for custom needs.

⚡

Anti-Interference

No zero drift, strong anti-electromagnetic interference, stable operation in industrial environments.

🎯

Compact Design

Lightweight and space-saving, easy to maintain; compatible with DN4~DN200 pipe diameters.

Technical Specifications

Parameter	Details
Measuring Medium	Non-corrosive, impurity-free low-viscosity liquids; not suitable for gas/steam
Accuracy Class	±1.0%R, ±0.5%R (optional)
Flange Standard	GB/T 9119-2010, DIN, ANSI, JIS (customizable)
Output Signal	Pulse, 4-20mA analog, RS485 (Modbus-RTU), HART
Pipe Diameter & Installation	Flange: DN15~DN200; Screw: DN4~DN50; Loose flange: DN4~DN200
Medium Temperature	Standard (T2): -20℃~+120℃; High-temp (T3): -20℃~+150℃ (OEM)
Operating Environment	Temperature: -20℃~+60℃; Humidity: 5%~90%; Atmospheric pressure: 86kPa~106kPa
Protection Level	IP65
Explosion-Proof Grade	ExdIIBT6 (explosion-proof type)
Conventional Pressure Rating	1.6MPa (for DN4~DN200)

Flow Range (m³/h)

Pipe Diameter (mm)	Standard Flow Range	Extended Flow Range	Conventional Pressure Rating
4	0.04~0.25	0.04~0.4	1.6MPa
6	0.1~0.6	0.06~0.6	1.6MPa
10	0.2~1.2	0.15~1.5	1.6MPa
15	0.6~6	0.4~8	1.6MPa
20	0.8~8	0.45~9	1.6MPa
25	1~10	0.5~10	1.6MPa
32	1.5~15	0.8~15	1.6MPa
40	2~20	1~20	1.6MPa
50	4~40	2~40	1.6MPa
65	7~70	4~70	1.6MPa
80	10~100	7~100	1.6MPa
100	20~200	10~200	1.6MPa
125	25~250	13~250	1.6MPa
150	30~300	15~300	1.6MPa
200	80~800	40~800	1.6MPa

Model Selection Specification

Model Segment	Code	Description
GTF300	-	Product Series (Liquid Turbine Flow Meter)
DNXX	DN4~DN200	Pipe Diameter (mm)
Converter Type	N1	24VDC, Pulse Output, No Display
	N2	24VDC, Pulse Output, No Display, Explosion-Proof
	A	24VDC, 4-20mA Output, No Display, Explosion-Proof
	E1	Battery-Powered, No Output, Digital Display, Explosion-Proof
	E2	24VDC 2-Wire, 4-20mA Output, Digital Display, Explosion-Proof
	E3	24VDC, Pulse Output, Digital Display, Explosion-Proof
	E4	24VDC, 4-20mA Output, Digital Display, Explosion-Proof
	E5	24VDC 3-Wire, 4-20mA/Pulse Output, Digital Display, Explosion-Proof
Accuracy	10	±1.0%R
Accuracy	05	±0.5%R
Flow Range	S	Standard Range
Flow Range	E	Extended Range
Body Material	S4	SUS304
Body Material	S6	SUS316
Explosion-Proof	BT	ExdIIBT6
Explosion-Proof	NA	Non-Explosion-Proof
Connection	THM	External Thread (DN4~DN50)
	THF	Internal Thread (DN4~DN50)
	WAF	Flange Clamp
	DXX	D16=DIN PN16, D25=DIN PN25
	AXX	A15=ANSI 150#, A30=ANSI 300#
Temperature	T2	-20℃~+120℃
Temperature	T3	-20℃~+150℃

Standard Example: GTF300-DN50-E2-10-S-S4-BT-D16-T2

Core Applications

🏭

Industrial Production

Measurement of process water, cooling water, and chemical liquids in petrochemical, pharmaceutical, and machinery industries.

💧

Water Treatment

Pure water and reclaimed water flow monitoring in municipal and industrial wastewater treatment plants.

🍶

Food & Beverage

Flow control of edible oil, beverage, and pure water in food processing and brewing industries.

🔌

Energy & Power

Cooling water and lubricating oil flow measurement in thermal power plants and hydropower stations.

FAQ

What is the viscosity requirement for the measured medium?

The GTF300 is suitable for liquids with kinematic viscosity ≤5×10⁻⁶m²/s. For liquids with higher viscosity, on-site calibration with the actual medium is required to ensure measurement accuracy.

What pipe diameters does the GTF300 support?

It supports pipe diameters from DN4 to DN200, with multiple installation methods: flange (DN15~DN200), screw (DN4~DN50), and loose flange (DN4~DN200). Insertion type is available for large-diameter pipes.

Does the meter support explosion-proof requirements?

Yes. The explosion-proof version has an ExdIIBT6 rating, suitable for hazardous environments with flammable gases (Zone 1/2). Non-explosion-proof versions are also available for general industrial environments.

What communication protocols are supported?

Standard protocols include RS485 (Modbus-RTU) and HART. It also supports pulse and 4-20mA analog output, which can be connected to PLC, DCS, or dedicated display instruments for data collection and control.

Can the meter be maintained without shutting down the system?

Yes. The insertion-type GTF300 can be removed from the pipe for maintenance without shutting down the system, reducing production downtime and improving operational efficiency.

Custom GTF300 Flow Measurement Solution

Tailor the GTF300 Liquid Turbine Flow Meter to your application needs—choose from different accuracies, connection types, explosion-proof grades, and sensor options. Our team provides technical support for on-site calibration and installation guidance.

Get Custom Solution

Online Message

Have questions? Need a quote? We are ready to help! Fill out the form and a member of our sales team will contact you to discuss your requirements. You can also give us a call at (86)177-9158-1665.

GTF300

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HOT KEYWORDS

GTF300 Liquid Turbine Flow Meter IP65 Protection DN4~DN200 ±1.0% High Accuracy -20~+150℃ Temp Range 1:20 Flow Range Ratio ExdIIBT6 Explosion-Proof Flange Connection Screw Connection Insertion Type (Large DN) Loose Flange Mounting Industrial Production Water Treatment Food & Beverage Energy & Power 4-20mA Output RS485 (Modbus-RTU) HART Protocol SUS304/SUS316 Body

GTF300