Brand: pFlow

pFlow GF-SH-CL Flow Sensor for High Temperature Water Measurement

Name: pFlow GF-SH-CL High Temperature Flow Sensor | Seven Star LLC
Brand: pFlow

Description

Overview

The pFlow GF-SH-CL Flow Sensor is a clip-on ultrasonic instrument engineered specifically for high temperature water measurement, extending pFlow’s compact clamp-on flow sensing platform to fluid temperatures up to 85°C. This makes the GF-SH-CL the natural choice for tracking flow, velocity, and temperature in domestic hot-water loops, solar-thermal returns, and district-heating branches without shutting off or draining the system.

As the official authorized partner and exclusive regional representative for pFlow Gentos, Seven Star LLC proudly supplies the GF-SH-CL to district heating operators, solar-thermal integrators, and building services contractors across the Sultanate of Oman, Muscat, and the wider GCC. Its 30-second clamp-on setup and zero-downtime installation make it a practical solution for retrofitting temperature monitoring onto existing hot water infrastructure.

Measurement Principle

The pFlow GF-SH-CL uses the ultrasonic transit-time measurement principle to deliver ±3% of full-scale accuracy across a flow velocity range of 0.1 to 16 ft/s (0.03 to 5.0 m/s). Because the transducer clamps onto the pipe exterior rather than penetrating the fluid path, the sensor tolerates the elevated fluid temperatures of hot water systems without any pipe cutting or process interruption during commissioning.

Designed for continuous exposure to fluid temperatures from 0°C to 85°C, the GF-SH-CL is purpose-rated for domestic hot water, solar-thermal, and district-heating applications where standard clamp-on sensors would be pushed beyond their thermal design limits. This gives building services teams a dependable option for monitoring hot water circuits that must remain in continuous operation.

Engineering Design of the pFlow GF-SH-CL

The pFlow GF-SH-CL features an all-in-one transmitter paired with a clamp-on transducer connected via a 5mm black six-core shielded cable with self-locking connectors at a standard 4-meter length. The PC (polycarbonate) engineering plastic body is engineered to be tough and lightweight while carrying an IP54 enclosure rating, supporting reliable operation in mechanical rooms and plant spaces exposed to heat and humidity.

A 1.54-inch LCD color screen with 240×240 resolution and three keypad buttons enable a 30-second field setup, letting installers configure pipe size and material quickly on site. Communication is provided via RS485 with MODBUS protocol alongside a 4–20mA analog output, supporting straightforward integration with building management systems and district heating control platforms.

Key Features

The pFlow GF-SH-CL combines high-temperature tolerance with fast, non-invasive installation. Core capabilities include:

Fluid temperature rating up to 85°C, purpose-built for hot water and district heating loops.
Clip-on installation for DN15 to DN50 pipes with no pipe cutting and 30-second setup.
±3% of full-scale measurement accuracy across a flow velocity range of 0.03 to 5.0 m/s.
RS485 with MODBUS protocol and 4–20mA analog output for BMS integration.
1.54-inch LCD color display for straightforward field commissioning.
IP54-rated, tough PC engineering plastic transmitter body for demanding environments.
Compatible with stainless steel, PVC, copper, and PPR pipe materials.
Zero downtime installation, allowing continuous operation of hot water systems.

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Standard 4-meter shielded transducer cable with self-locking connectors for reliable field wiring.

Industrial Applications

The pFlow GF-SH-CL is well suited to domestic hot water systems, solar-thermal installations, and district heating networks across Oman’s commercial and residential building stock. Its high-temperature rating also extends its usefulness to data center HVAC cooling systems with water/glycol mixtures, desalination and reverse osmosis plants, and swimming pool engineering applications.

As the officially authorized partner for pFlow Gentos, Seven Star LLC distributes the GF-SH-CL to building management system integrators, recirculating aquaculture system (RAS) operators, and civil engineering contractors throughout the Sohar and Salalah economic zones and the broader GCC region.

Technical Specifications

Full technical parameters for the pFlow GF-SH-CL high temperature flow sensor:

Parameter	Specification
Model	pFlow GF-SH-CL
Measurement Principle	Ultrasonic Transit-Time, Clip-on
Flow Range	0.1~16 ft/s (0.03~5.0 m/s)
Accuracy	±3% of Full Scale
Pipe Size	DN15, DN20, DN25, DN32, DN40, DN50
Pipe Material	Stainless Steel, PVC, Copper, PPR
Fluid Temperature	0°C to 85°C
Communication	RS485 (MODBUS Protocol), 4–20mA
Display	1.54-inch LCD Color Screen, 240×240
Power Supply	10–36VDC, 500mA
Enclosure Rating	IP54, PC Engineering Plastic

Why Choose Seven Star LLC for Hot Water Flow Monitoring

District heating and solar-thermal projects in Oman frequently need flow monitoring added to hot water loops that are already in continuous service, and a standard clamp-on sensor rated for cold water alone would fail prematurely at 85°C fluid temperatures. Seven Star LLC’s engineers confirm the GF-SH-CL’s high-temperature rating matches the customer’s actual loop conditions before the order is placed, avoiding a costly mismatch discovered only after installation.

As the officially authorized partner for pFlow Gentos, we also support building services contractors integrating the GF-SH-CL’s RS485 MODBUS output into BMS platforms for domestic hot water and district heating projects, and can coordinate multi-unit orders for developments standardizing hot water metering across several risers or plant rooms in Muscat, Sohar, and the wider GCC, and can advise contractors on cable-run planning where transmitter and transducer must be separated across plant room partitions.

Request a Quote for pFlow GF-SH-CL Flow Sensor for High Temperature Water Measurement

To submit a formal Request for Quote (RFQ), check current availability and lead time, or request complete technical datasheets for the pFlow GF-SH-CL Flow Sensor for High Temperature Water Measurement, please contact the official instrumentation division at Seven Star LLC today. As the authorized partner for pFlow Gentos in Oman and the GCC, our engineers are ready to assist with commercial sourcing and high-temperature flow metering integration.

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About brand

Clamp-on ultrasonic flow measurement is what pFlow does. The sensors strap to the outside of the pipe and measure liquid flow by transit time, so the line is not cut and nothing touches the fluid. The brand comes from Gentos, an instrument maker focused on ultrasonic flowmeters, flow sensors and heat and cooling energy meters.

Seven Star LLC is the pFlow agency for Oman and the GCC, listing pFlow ultrasonic flowmeters in fixed, portable and LoRaWAN versions, BTU meters and LoRaWAN flow control valves.

pFlow flowmeter families

Most of the listed models are compact clamp-on sensors grouped by pipe size and duty. The GF family (GFCL, GFR, GF-S-CL, GF-SH-CL for hot water and GF-GH-CL for immersion cooling) and the MF micro flowmeters (MFR, MFCL) serve cooling and process loops on small and medium pipes. The MP series are plug-and-play flow sensors, including the MP801 and a LoRaWAN version. The D116-BTU is a wall-mounted ultrasonic BTU meter, the P116 a portable flowmeter for surveys, and the F8 a fixed meter used in aquaculture. Gentos also builds the F3 series clip-on flowmeters, including a panel-mount version. The VC200-R is a LoRaWAN ball valve that works as a flow switch.

Where pFlow meters are used

The manufacturer documents use in liquid cooling for data centers and semiconductor plants, chilled and hot water metering in central air conditioning, water supply networks and irrigation, aquaculture, and utility lines in petrochemical and power plants.

Ordering a pFlow ultrasonic flowmeter: what we need

Clamp-on meters are selected from pipe data. Send the pipe outside diameter, wall thickness and material, any liner, the liquid and its temperature, the expected flow span and the straight pipe length available. Add the output you need (4-20 mA, pulse, Modbus, LoRaWAN) and the supply voltage. For BTU meters include the supply and return temperature span.

FAQ

Questions about the pFlow GF-SH-CL Flow Sensor for High Temperature

Answers from our engineering team on installation, compatibility and integration.

01What fluid temperature range does the pFlow GF-SH-CL support?

The GF-SH-CL is rated for fluid temperatures from 0u00b0C to 85u00b0C, making it suitable for domestic hot water, solar-thermal, and district heating applications.

02How long does installation take?

The GF-SH-CL uses a clip-on design with a 30-second setup, requiring no pipe cutting and no system shutdown.

03What pipe sizes and materials does the GF-SH-CL support?

The GF-SH-CL covers pipe sizes from DN15 to DN50 and is compatible with stainless steel, PVC, copper, and PPR pipe materials.

04How does the GF-SH-CL communicate with building management systems?

The GF-SH-CL provides RS485 communication with MODBUS protocol alongside a 4-20mA analog output, supporting straightforward BMS integration.

05Is Seven Star LLC an authorized representative for pFlow products?

Yes. Seven Star LLC is the officially authorized partner and exclusive regional representative for pFlow Gentos in Oman and the GCC, supplying genuine products with local technical support.