Industrial Grade Lubricating Oil Digital Metering Nozzle (Digital Display, Manual Switch, 90° Elbow Nozzle)

Lubricating oil metering nozzle is a professional industrial lubrication tool integrated with high-precision metering module and manual mechanical switch, specially designed for low-to-medium viscosity lubricating oils such as engine oil, gear oil and hydraulic oil. It displays the filling volume in real time through a high-definition LCD screen to achieve visual and precise filling, without preset quantitative or automatic stop function. With compact and simple structure, high durability and reliability, and low failure rate, it is an efficient and precise lubrication device for production lines, repair shops, engineering machinery maintenance, mining equipment maintenance and other scenarios.

This product has clear and prominent core values: visual precise metering, the screen displays single filling volume and total cumulative volume in real time, completely eliminating manual estimation, accurately controlling oil consumption and facilitating cost accounting and equipment maintenance management; pure mechanical trigger switch, press to flow and release to stop, no electronic valve or complex preset control logic, stable operation in oily, humid and dusty environments with much lower failure rate than automatic quantitative models; high durability and ruggedness, high-strength alloy body with corrosion-resistant sealing components, long-term adaptation to complex and harsh industrial site conditions, drop-resistant, pressure-resistant and corrosion-resistant; controllable procurement and use cost, lower price, fewer wearing parts and simpler maintenance compared with metering nozzles with automatic stop function, high cost performance for long-term use; flexible adaptation to various working conditions, 90° elbow nozzle design for easy access to narrow and hidden lubrication points of equipment to meet multi-scenario precise filling needs.

Core Technical Parameters

Metering accuracy: ±1%~±2%, industrial high-precision standard to ensure accurate and controllable oil filling with traceable data. Maximum working pressure: 3000 psi (207 bar / 20.7 MPa), stably suitable for medium and high pressure lubricating oil delivery. Flow rate: 0~10 L/min, automatically adjusted with medium viscosity to meet efficient filling needs of workshops and repair shops. Minimum measurement unit: 0.01 L / 10 g (customizable), supporting micro precise filling to meet high-standard lubrication requirements.Applicable media: low-to-medium viscosity lubricating oils such as engine oil, gear oil, hydraulic oil (not suitable for high-viscosity grease). Inlet interface: 1/2" NPT / G1/2 universal industrial thread, compatible with most oil pipelines on the market for easy installation and strong universality. Outlet interface: 90° elbow needle nozzle, accessible to narrow lubrication points inside equipment to avoid incomplete filling.Equipped with high-definition LCD digital display, clearly readable in strong light, showing single filling volume, cumulative consumption and remaining power in real time with intuitive and easy-to-understand data. Control mode: trigger-type manual mechanical switch with fast response and simple operation, press to flow and release to stop.Power supply: 2×1.5V AA alkaline batteries, endurance up to more than 8000 filling times, no charging required and easy replacement. Operating temperature range: -10℃~60℃, cold and heat resistant for use in various regions across the country.Net weight: approx. 0.9 kg, lightweight design to reduce fatigue during long-time handheld operation and greatly lower labor intensity. Body material: aluminum alloy shell + stainless steel valve core + wear-resistant sealing components, with advantages of drop resistance, corrosion resistance, high-pressure sealing and long service life.

Core Functions & Advantages

Core Functions

Real-time metering display: built-in high-precision flow sensor, LCD screen displays single filling volume and total cumulative consumption in real time, with accurate, recordable and traceable data, eliminating manual estimation errors.Manual switch control: trigger-type pure mechanical switch, press to flow and release to stop, fast response without delay, no electronic valve failure risk, more stable in harsh environments.Flexible filling design: standard 90° elbow needle nozzle, easy to reach narrow, hidden and deep-hole lubrication points of equipment to avoid missing or incomplete filling and improve lubrication quality.No preset or automatic stop: simpler structure with fewer electronic failure points, suitable for scenarios that do not require quantitative control but pursue accurate display and stable durability.One-key reset operation: supports one-key reset of single filling volume for continuous multi-equipment operation, clear data recording and convenient batch maintenance management.High-pressure sealing & anti-drip: high-precision sealing structure, no oil dripping or residue after stopping, keeping operating environment clean and tidy and effectively reducing oil waste.

Product Comparative Advantages

Compared with traditional manual lubricating oil nozzles, this digital display metering nozzle has significant advantages: higher filling accuracy – traditional nozzles rely entirely on manual experience with errors over 20%, while this nozzle has ±1%~±2% accuracy with visual data for precise control; clearer consumption management – traditional nozzles have no metering function and cannot quantify oil usage, while this nozzle displays real-time consumption for convenient cost accounting and equipment maintenance records; higher operation efficiency – traditional nozzles require repeated estimation and are time-consuming and laborious, while this nozzle with visual metering and manual switch improves operation efficiency by more than 25%; stronger durability – traditional nozzles mostly use plastic or thin metal shells which are easy to damage and short-lived, while this nozzle adopts alloy shell + stainless steel valve core, drop-resistant and corrosion-resistant with greatly extended service life; lower maintenance cost – traditional nozzles have many wearing parts with complex replacement, while this nozzle adopts modular wearing part design for low-cost and fast replacement, more worry-free for long-term use.

Application Scenarios

Industrial Manufacturing: Production lines of automobiles, engineering machinery, agricultural machinery, etc., for precise filling of lubricating oil in engines, gearboxes and hydraulic systems to ensure product assembly consistency; daily maintenance of factory equipment, for oil replenishment of reducers, motors, bearings, chains and other parts, visual consumption for convenient maintenance records and management; heavy industries such as metallurgy, papermaking and electric power, lubricating oil replenishment of large equipment, stable and reliable operation in oily, dusty and humid environments.Automotive Aftermarket: 4S shops and comprehensive repair shops for precise filling of engine oil, gear oil, power steering oil and hydraulic oil to improve service transparency and professionalism and enhance customer trust; oil change centers and fast repair shops for standardized lubrication services, quantifying oil consumption to distinguish from traditional rough manual filling and improve store competitiveness.Special Industries: Lubrication of heavy equipment in mines, ports, oil fields, etc., dirt-resistant, drop-resistant, no electronic valve failure, adapting to extreme harsh working conditions; maintenance of agricultural machinery such as harvesters and tractors in fields, portable, durable and simple operation, suitable for long-term use in outdoor off-grid environments.

Target Customer Groups

B-end Industrial Customers: Equipment manufacturers such as automobiles, engineering machinery and agricultural machinery, needing high-precision metering lubrication tools to ensure production consistency; equipment maintenance departments of manufacturing, metallurgy, electric power and other factories, pursuing stable, durable, low-cost and easy-to-maintain professional lubrication tools; MRO industrial service providers, providing equipment maintenance services for enterprises and needing efficient, precise and reliable filling equipment.B-end Service Customers: Automotive 4S shops and large comprehensive repair shops, focusing on service standardization and precision to improve customer reputation and service quality; engineering machinery leasing and maintenance companies, serving multiple heavy equipment and suitable for high-frequency, high-intensity and long-time use of reliable tools.C-end Professional Users: Engineering machinery owners and heavy truck drivers maintaining equipment independently, needing precise metering tools to control oil costs and avoid waste and oil shortage wear; senior auto repair enthusiasts and agricultural machinery operators, pursuing professional-grade tools to improve maintenance accuracy and operation efficiency.

Selling Points

Visual Precision Display: Real-time filling volume on screen, no more guesswork, full transparency on oil usage and cost control.Pure Mechanical Switch: No electronic valves or preset programs, oil-proof, drop-resistant and moisture-proof, 50% lower failure rate than automatic models.90° Elbow Nozzle: Reaches tight corners and hidden lubrication points easily, no missing or incomplete filling.Cost-Effective: Over 30% cheaper than automatic quantitative nozzles, low-cost wearing parts, almost zero maintenance cost.Easy Data Management: Clear single/cumulative volume for maintenance records and cost accounting, standardized and efficient management.Lightweight & Rugged: Only 0.9kg, fatigue-free long hours operation, alloy body drop-resistant and corrosion-resistant for job site use.

Product Packaging & Accessory List

Standard package includes: 1 lubricating oil metering filling nozzle, 1 90° elbow needle nozzle, 1 inlet adapter, 2 AA alkaline batteries, 1 product manual.Optional accessories: straight nozzle for open lubrication points with larger flow and faster filling; 30cm/50cm extended flexible hose for deeper and farther lubrication points; portable buckle for easy hanging, carrying and anti-loss.

Product Value Summary

Lubricating oil metering nozzle is a balanced and preferred tool in industrial lubrication scenarios that combines precise metering, high reliability and low cost. It abandons complex preset quantitative and automatic stop functions, and achieves visual precise filling with simpler structure, lower cost and higher stability. For users in workshops, repair shops, engineering machinery, mining equipment and other scenarios that do not require automatic quantitative control but pursue precise metering, stable durability and cost control, this product is a highly cost-effective choice. It not only meets daily precise lubrication needs, but also avoids electronic equipment failure risks and high maintenance costs, comprehensively improving lubrication efficiency, reducing oil consumption and extending equipment service life, making it an ideal professional tool for industrial lubrication and equipment maintenance.