In scenarios where flammable and explosive media exist in chemical industrial parks, oil and gas extraction, pharmaceutical workshops, etc., accurate measurement of small flow fluids and equipment explosion-proof safety are key to ensuring production safety and controlling costs. The Xiamen Jingchuan small flow explosion-proof circular gear flowmeter, with its inherently safe explosion-proof design and volumetric measurement principle, can achieve high-precision measurement of fluids as low as 0.01L/h, while resisting the risk of flammable and explosive environments. It has become the core equipment for small flow measurement under hazardous conditions, helping enterprises achieve safe, efficient, and green production.
XiamenJingchuanSmall flow explosion-proof circular gear flowmeter
In scenarios where flammable and explosive media exist in chemical industrial parks, oil and gas extraction, pharmaceutical workshops, etc., accurate measurement of small flow fluids and equipment explosion-proof safety are key to ensuring production safety and controlling costs.Small flow, small volume explosion-proof circular gear flowmeterWith its inherently safe explosion-proof design and volumetric measurement principle, it can achieve high-precision measurement of fluids as low as 0.01L/h, while resisting the risks of flammable and explosive environments. It has become the core equipment for small flow measurement under hazardous conditions, helping enterprises achieve safe, efficient, and green production.
Xiamen JingchuanSmall flow explosion-proof circular gear flowmeterCore technological advantagesIntrinsically safe explosion-proof designStrictly following the GB 3836.1-2021 explosion-proof standard, adopting double protection of explosion-proof shell and intrinsic safety circuit, with an explosion-proof level of Ex d IIB T4 Ga/Ex ia IIB T4 Ga, it can operate safely in Zone 1 and Zone 2 hazardous environments containing flammable and explosive gases such as methane, propane, ethanol, etc. The shell is made of cast aluminum alloy material and treated with electrostatic spraying, which not only has impact resistance and corrosion resistance, but also effectively blocks the energy transfer between external fire sources and internal circuits; All internal electronic components have passed explosion-proof certification, and the circuit design adopts current and voltage limiting protection to avoid the generation of electric sparks, eliminate the risk of explosion from the source, and meet the safety requirements of hazardous scenarios such as chemical, oil and gas.
Accurate measurement of small trafficBased on the principle of circular gear volumetric measurement, the fluid flow rate is converted into a quantifiable mechanical signal through the meshing rotation of a pair of precision ground alloy gears. Specially optimized for the small flow range of 0.01-10L/h, the gear clearance is controlled within 0.005mm, the measurement error is ≤± 0.5%, and the repeatability is ≤± 0.2%. Even in the face of high viscosity lubricants, volatile solvent oils, and other fluids, it can stably capture subtle fluctuations in flow rate, solving the problem of "blind spots" in traditional flow meters in small flow ranges. In the associated gas recovery system at the wellhead of oil and gas fields, the flow rate of trace condensate oil can be accurately measured, providing reliable data for resource recovery and cost accounting.
Resistant to complex media and harsh environmentsThe core components that come into contact with the medium are made of 316L stainless steel and tungsten carbide materials, which are processed through integral forging and precision grinding processes. Their corrosion resistance is 50% higher than that of ordinary materials, and they can be adapted to various chemical fluids such as diesel, methanol, ethylene glycol, dilute acid and alkali. The inner wall of the channel is polished with a mirror finish and equipped with fluororubber seals to reduce the risk of fluid adhesion and leakage; The surface of the gear is treated with nitriding, with a hardness of HV800 or higher, which can resist the erosion and wear of small particles in the fluid, extending the service life to over 8000 hours. The equipment has a protection level of IP65 and can adapt to high and low temperature environments ranging from -20 ℃ to 80 ℃. It can maintain stable operation even in humid and dusty conditions such as oil fields and chemical workshops.
Intelligent data transmission and operation and maintenanceSupport 4-20mA analog signal and RS485 digital signal (with explosion-proof isolation module) output, seamlessly integrate with DCS control system and explosion-proof data acquisition terminal, and achieve remote monitoring and storage of flow data. Equipped with a large capacity battery (with a range of ≥ 6 months) and an explosion-proof junction box, it can be used in non hazardous areas without the need for an external power source; Equipped with flow accumulation, instantaneous flow display, and over range alarm functions, with a data storage capacity of 100000 pieces, it can generate daily/monthly energy consumption reports. By using an explosion-proof infrared remote control, parameter settings and calibration can be completed within a safe distance, avoiding personnel from entering hazardous areas and reducing operational risks.
Xiamen Jingchuan small flow circular gear flowmeterKey technical parameters
flow range：0.01-10L/h， Covering the demand range for small traffic measurement.
measurement accuracy± 0.5% FS, repeatability ≤ ± 0.2%, ensuring data accuracy.
Explosion-proof rating：Ex d IIB T4 Ga/Ex ia IIB T4 Ga， Suitable for hazardous environments in Zone 1 and Zone 2.
working conditionsTemperature -20 ℃ -80 ℃, pressure ≤ 1.6MPa, suitable for complex working conditions.
Media compatibilityCompatible with various fluids such as oils, solvents, dilute acids and alkalis (viscosity 1-500cSt).
Protection level：IP65， Dustproof and waterproof, suitable for outdoor and workshop environments.
Xiamen JingchuanQuantitative filling circular gear flowmeterMultiple application scenarios
chemical productionIn the catalyst addition and solvent recovery process of the fine chemical workshop, precise measurement of small flow flammable and explosive media is carried out to avoid reaction loss caused by measurement deviation; At the same time, explosion-proof design ensures workshop safety and reduces the risk of safety accidents. After being applied in a chemical enterprise, the material utilization rate increased by 15% and the safety accident rate decreased to 0.
oil and gas extractionUsed for measuring associated gas and condensate oil at oilfield wellheads, measuring trace liquid accumulation in natural gas processing plants, accurately calculating resource recovery, and helping oil and gas fields save energy and reduce consumption; Monitor small flow leaks in the unloading pipeline of oil tankers at gas stations to avoid safety hazards and environmental pollution caused by oil and gas volatilization.
Pharmaceutical workshopIn pharmaceutical processes containing flammable and explosive solvents such as ethanol and acetone, control the delivery of small flow solvents to ensure drug purity and production safety; The explosion-proof design meets GMP certification requirements and provides equipment support for pharmaceutical companies to pass safety production audits.
Xiamen Jingchuan Micro small Small Flow Circular Gear Flow MeterWith its reliable explosion-proof performance and small flow high-precision measurement advantages, it provides professional solutions for flow management in hazardous working conditions. Whether it is to ensure production safety or optimize cost control, this equipment can become the "safety guard" of hazardous environment enterprises, promoting the high-quality development of chemical, oil and gas industries towards safety, refinement, and greening.
