In modern industrial automation, reliable pressure measurement plays a critical role in ensuring process safety, production efficiency, and stable system control. However, in harsh working conditions involving high-viscosity fluids, slurries, particulate media, or corrosive substances, conventional pressure transmitters often suffer from clogging, diaphragm wear, or inaccurate readings.

To solve these challenges, LEFOO introduces:

LFT2730 Hard Flush Diaphragm Pressure Transmitter
A robust pressure sensing solution specially designed for demanding industrial environments such as cement, mud, crude oil, and chemical slurry applications.

Table of Contents

1. Key Advantages of the LFT2730 Pressure Transmitter

The LFT2730 adopts advanced diaphragm technology and high-precision strain gauge sensing, offering outstanding performance under tough industrial conditions.

1. High-Precision Foil Strain Gauge Technology

The transmitter uses a high-precision foil strain gauge, ensuring stable and accurate pressure signal measurement for long-term operation.

2. Cavity-Free Flush Diaphragm Design – Anti-Clogging Solution

Unlike traditional pressure sensors that include pressure ports prone to blockage, the LFT2730 features:

Cavity-free flush diaphragm structure
Direct media contact with the diaphragm surface

This design effectively prevents clogging and buildup, making it ideal for:

Slurries
Cement paste
Crude oil
Particulate-containing liquids

3. Excellent Abrasion and Corrosion Resistance

The hard flush diaphragm provides superior abrasion resistance and durability, extending sensor lifespan in media containing solid particles or aggressive chemicals.

4. Wide Operating Temperature Range for Harsh Environments

The LFT2730 is designed to perform reliably under extreme temperature conditions:

Compensation Temperature: 0–70°C (optional -20–85°C)
Media Temperature: -40–85°C (optional up to 120°C)

5. Optimized Structure for Vibration Resistance and High Stability

The product features optimized circuit and mounting structure, offering:

Anti-interference capability
High vibration resistance
Long-term stability

Well-suited for heavy industrial equipment and high-vibration applications.

2. Detailed Technical Specifications of LFT2730

To meet diverse industrial measurement requirements, the LFT2730 provides flexible pressure ranges and output options.

Pressure Range	-100 kPa to 0–2 MPa, up to 120 MPa
Pressure Type	Gauge, Absolute, Sealed Gauge
Accuracy	±0.5% F.S
Long-Term Stability	±0.25% F.S/year
Power Supply	24 VDC
Output Signal Options	4–20 mA, 0–5 V, 1–5 V, 0–10 V
Insulation Resistance	≥100 MΩ @ 500 VDC
Protection Rating	IP65
Electrical Connection	DIN43650 (Hirschmann), cable outlet, etc.

3. Typical Applications of the LFT2730 Pressure Transmitter

Thanks to its flush diaphragm and strong anti-clogging performance, the LFT2730 is widely used in industries such as:

Building Materials Industry

Cement slurry pressure monitoring
Concrete pumping system control

Oil & Energy Industry

Crude oil pipeline pressure measurement
High-pressure oil field equipment monitoring

Chemical & Pharmaceutical Industry

High-viscosity chemical fluid measurement
Pressure detection in particulate media

Environmental & Wastewater Treatment

Sludge pressure control systems
Waste liquid treatment pipelines

4. Flexible Installation and Standardized Dimensions

The LFT2730 provides standard industrial pressure interfaces and multiple configuration options, making installation and system integration easy.

Key options include:

Pressure Port: G1/2 male thread, M20×1.5 thread
Electrical Connection: DIN43650 connector or cable outlet
Cable Length Options: 1m / 2m / 3m

5. Why Choose the LFT2730 Hard Flush Diaphragm Pressure Transmitter?

When selecting a pressure transmitter, accuracy alone is not enough. Reliability in real industrial media is essential.

The LFT2730 offers:

✔ Flush diaphragm anti-clogging structure
✔ Ideal for high-viscosity and particulate media
✔ Excellent abrasion resistance
✔ Multiple output signals compatible with PLC/DCS systems
✔ Wide temperature adaptability
✔ Stable performance under vibration
✔ Flexible electrical and pressure port configurations

Conclusion: The Ideal Pressure Measurement Solution for High-Viscosity Media

If you are searching for a pressure transmitter designed for slurry, cement paste, crude oil, or other difficult fluids, the LFT2730 Hard Flush Diaphragm Pressure Transmitter is a reliable, durable, and cost-effective choice.

For quotation, technical support, or customization, please contact LEFOO directly.