Compact Gas Roots Flowmeter, Aluminum Alloy Body, 24VDC Power

• Customization: Available
• Warranty: 15 Months
• Accuracy: 1.5%,1%
• Model NO.: HL-LLQ
• 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
• Transport Package: Wooden Box Package or Carbon
• Trademark: HuaLiu
• Origin: China
• HS Code: 9026100000
• Production Capacity: 5000pieces/Year

Product Description

SUMMARY

Gas Roots Flowmeter

The Gas Roots flowmeter is a cutting-edge gas monitoring and measurement instrument, renowned for its precision, unwavering reliability, and extensive range of applications.
The Intelligent Gas Roots flowmeter represents a revolutionary advancement, seamlessly integrating flow, temperature, and pressure sensors with sophisticated instrumentation. It is the quintessential tool for accurately measuring non-corrosive gases such as natural gas, city gas, propane, nitrogen, and various industrial inert gases, establishing a new standard in gas measurement.

CHARACTERISTIC

1. Exceptional Range:
Designed to cater to diverse specifications, this flowmeter boasts an impressive maximum range, achieving a remarkable 1:216 scale, and ensuring a low starting flow.
2. In line with varied specifications, the flowmeter achieves a minimal starting flow of just 0.04m3/h, underscoring its sensitivity.
3. Unmatched Precision and Consistency:
The accuracy of this flowmeter remains unaffected by the medium it measures, offering stable precision throughout prolonged operations.
Minimal Pressure Loss:
4. Engineered for efficiency, the pressure loss ranges from a mere 0.08kPa to 0.58kPa. Utilizing advanced microcomputer technology and high-performance integrated chips, the device delivers exceptional performance with low power consumption.
Compact and Cohesive Design:
5. Integrating pressure, temperature, and flow sensors internally, the design is streamlined and space-efficient. The digital sensors for pressure and temperature enhance precision.
6. These digital sensors are equipped with independent calibration and verification, simplifying replacement, maintenance, and use, ensuring seamless operational continuity.

7. Enhanced Sectional Correction:
By leveraging the flow frequency signal, the instrument's coefficient undergoes nine distinct sections of automatic linear correction, enhancing the instrument's accuracy across its broad range.
8. Robust Data Storage Capabilities:
Employing an E2PROM data storage chip, this device safeguards both user and manufacturer parameters. Its timely data-saving function mitigates data loss during sudden power failures, ensuring permanent retention of internal parameters even without power.
9. Comprehensive Output Features:
The intelligent flow meter features a base meter pulse output and can transmit working or standard condition pulse signals, alongside calibration pulse output. It supports a 4~20mA analog signal and RS485 communication, tailored to user requirements. This facilitates data traceability and management.
10. With the RS-485 communication interface, a real-time database can be queried and analyzed, offering insightful data management.
GPRS Real-Time Management System
11. The B-type meter in this series is equipped with GPRS transmission, enabling online, timed, and fixed-point data transmission. It monitors instrument data, controls valves, pipeline pressure, gas alarms, and simplifies the establishment of a GPRS wireless network system.

PRINCIPLE

The intelligent gas Roots flowmeter is ingeniously designed with a robust housing, a conjugate rotor, and an advanced intelligent flow integrator. Conjugate rotors, meticulously calibrated, maintain optimal relative positions through precision gears, driven by the pressure differential between the inlet and outlet gases (P_in > P_out). This ensures non-contact sealing and optimal clearances, delivering fourfold the effective volume of gas per rotor rotation.

TECHNICAL PARAMETER

Nominal diameter(mm)	range ratio	Flow range(m³/h)	starting flow(m³/h)	Pressure loss Pa at Qmax	Maximum working pressure MPa	Nominal pressure MPa	material
25	20:1	1-20	0.07	110	0.4	1.6	aluminum cast iron
40	40:1	1-40	0.06	140
50	30:1	2-60	0.07	120
50	40:1	2-80	0.07	160
80	35:1	3-100	0.06	170
80	50:1	3-150	0.05	150
80	50:1	4-200	0.15	180	0.4 0.6
100	80:1	4-300	0.12	200
100	90:1	5-450	0.11	400
150	80:1	8-650	0.65	560
150	90:1	11-1100	0.8	600

Complete Qualifications

Fully Qualified

Our certifications underscore our unwavering commitment to excellence and reliability. In 2019, we proudly attained the prestigious 'National High-tech Enterprise' recognition. By 2023, we had achieved the 'Special Equipment Manufacturing Production License,' further solidifying our capabilities. Our extensive suite of certifications includes ISO Quality, Environmental, and Employee Safety System Certifications, Product Measuring Apparatus Type Approval Certificate, and comprehensive Explosion-proof and Intrinsically Safe Certificates for all product lines. Additionally, we hold the SIL Safety Certificate, CE Certificate, along with valuable Invention and Utility Model Patent Certificates, all testaments to our innovation and compliance with global standards.

FAQ

Q: How can I choose the appropriate flow meter for my specific application needs?
A: Delve into these crucial considerations:
Determine the type of fluid involved: liquid, gas, or steam.
Assess the required range of flow rate for your operation.
Identify the pipe size and the material of its construction.
Evaluate the temperature and pressure conditions within your system.
Consider the level of accuracy required, whether ±0.5% or ±1%.

Q: Where can I access installation guidelines for your products?
A: Effortlessly download our detailed PDF manual or contact us for tailored assistance and guidance.

Q: What is the maximum pressure capacity of your flow meters?
A: Our standard models can withstand pressures up to 16 bar (232 psi), while our high-pressure variants are engineered for up to 100 bar (1450 psi).

Q: Do your flow meters carry CE and ISO9001 certifications?
A: Indeed, our flow meters are fully compliant with the rigorous standards and regulations of the European Union (EU), meeting all EU safety, health, and environmental protection requirements. Our management system is both scientific and standardized, ensuring quality and safety that is recognized worldwide.

Q: What documentation do you provide for exporting your products?
A: We supply a comprehensive export package, which includes a Commercial Invoice, Packing List, Bill of Lading, COC, and additional documents, facilitating smooth and efficient international trade.

Q: What is the procedure for placing an order?
A: Contact us via email or phone to receive a detailed quotation, then confirm your purchase with a Purchase Order (PO) to finalize the transaction.