What is the warranty period for the flow meter?

We provide a 15-month warranty for our gas roots flowmeters.

What is the minimum order quantity?

The minimum order quantity is 1 set.

Industrial Digital Roots Flow Meter for Accurate Gas Flow Monitoring

Name: Industrial Digital Roots Flow Meter for Accurate Gas Flow Monitoring
Brand: Jiangsu Hualiu Instrument Co., Ltd.
SKU: 2002970511

Jiangsu, ChinaJiangsu Hualiu Instrument Co., Ltd.

US$695.00-1,392.00

1 Piece

Sample price:US$690.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Free Technical Consultation and Corresponding Paid

Warranty

15 Months

Model NO.

HL-LLQ

Accuracy

1.5%,1%

Main Application

Nature Gas

Size

DN25-DN150

Sensor

Tube/Flange

Application

Energy Metering

Type

Turbine Flow Meter

Measuring Media

Gas

Measuring Principle

Electrical Principles

Measurement Object

Closed Pipeline

Certification

CE, ISO

Output Type

RS485, Pulse and 4-20mA

Body Material

Aluminum Alloy

Power Supply

24VDC, 3.6VDC Battery

Voltage Rating

1.6MPa

Transport Package

Wooden Box Package or Carbon

Trademark

HuaLiu

Origin

China

HS Code

9026100000

Production Capacity

5000pieces/Year

Key features

High Precision Accuracy: Offers 1.5% and 1% accuracy levels, unaffected by measuring medium for stable long-term performance.

Wide Measurement Range: Features a maximum range ratio of up to 1:216 with a low starting flow of 0.04m3/h for high sensitivity.

Low Pressure Loss: Engineered for efficiency with minimal pressure loss ranging from 0.08kPa to 0.58kPa during operation.

Integrated Sensor Design: Combines flow, temperature, and pressure sensors internally for streamlined, space-efficient, and precise measurement.

Robust Data Storage: Utilizes E2PROM chip to safeguard parameters and prevent data loss during sudden power failures.

Flexible Output Options: Supports RS485, Pulse, and 4-20mA analog signals, tailored to specific user requirements.

GPRS Remote Management: B-type meters enable online data transmission, valve control, and alarm monitoring via GPRS wireless network.

Comprehensive Certifications: Holds CE, ISO, SIL, and Explosion-proof certificates, ensuring compliance with global safety standards.

Company profile

High Repeat Buyers ChoicePatents AwardedSelf-brandedNational Award received

Jiangsu Hualiu Instrument Co., Ltd.

Jiangsu, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 4 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤18h

AI-Powered supplier vetting

SummaryJiangsu Hualiu Instrument Co., Ltd. is described as a manufacturer of industrial automation instruments, including flow, pressure, temperature, and liquid-level instruments. The supplier reports over ten years of experience, four production lines, annual output above 20,000 units, complete production equipment, and gas and liquid calibration equipment. It offers broad customization and ODM services, has introduced new products within the past year, and performs 100% finished-product inspection with raw-material traceability. Quality and management certifications include ISO9001:2015, ISO14001, ISO45001:2018, and CE capability. Reported service strengths include inventory availability, documented supplier-management procedures, and lead times within 15 working days in both peak and off-season. However, it reports no overseas agents, branches, warehouses, showrooms, or offline trade-show participation. Customer cases are not provided, and the financial information is inconsistent or incomplete, so financial...

Supplier typeThe supplier is explicitly described as a manufacturer dedicated to the production, research, and sales of industrial automation instruments. Its product scope includes flow, pressure, temperature, and liquid-level instruments, indicating a specialized industrial-instrument manufacturing profile.

CertificationsThe supplier reports ISO9001:2015, ISO14001, and ISO45001:2018 certifications, along with CE and other product-certification capabilities. These stated certifications support quality, environmental, and occupational-health management, although the slices do not provide certificate validity dates or certificate copies.

R&D capabilityThe supplier states that it has an instrument research and production team, has launched new products within the past year, and provides ODM services. It also reports advanced gas and liquid calibration equipment, supporting a documented product-development capability.

Production capacityProduction evidence includes four production lines, annual output above 20,000 units, complete equipment such as CNC lathes, lathes, drying ovens, and drilling machines, and inventory capacity. The supplier also has valid manufacturing contracts with associated subcontractors and an outsourcing SOP, although it does not continuously reconcile quantities for each batch or production run.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also reports ODM service availability, demonstrating broad customization coverage across customer-provided samples, designs, and original product development.

Product Q&A

Q:Where can I access installation guidelines for your products?

You can effortlessly download our detailed PDF manual or contact us directly for tailored assistance and guidance.

Q:What is the maximum pressure capacity of your flow meters?

Standard models withstand pressures up to 16 bar (232 psi), while high-pressure variants are engineered for up to 100 bar (1450 psi).

Q:Do your flow meters carry CE and ISO9001 certifications?

Yes, our flow meters are fully compliant with EU safety, health, and environmental regulations, and our management system holds ISO9001 certification recognized worldwide.

Q:What documentation do you provide for exporting your products?

We provide a comprehensive export package including a Commercial Invoice, Packing List, Bill of Lading, Certificate of Conformity (COC), and other necessary documents.

Q:What is the procedure for placing an order?

Contact us via email or phone for a detailed quotation, then confirm your purchase with a Purchase Order (PO) to finalize the transaction.