Fluid Technology · Smart Future
逻克流体
Fluid Technology · Smart Future
Specialized in fluid transfer technology and industrial automation control — delivering comprehensive solutions for industrial fluid control systems worldwide.
Company Overview
Shanghai Lock and Load Fluid Transfer Technology Co., Ltd. and Lock and Load Limited are technology-driven enterprises specializing in fluid transfer technology and industrial automation control.
The company integrates technical services, product distribution, equipment manufacturing, and import & export trade, dedicated to delivering comprehensive professional solutions for industrial fluid control systems.
Since its inception, the company has consistently placed technological innovation at its core. Backed by a skilled technical team and extensive industry expertise, we serve clients across chemical, energy, manufacturing, and environmental protection sectors with premium products and technical services.
Comprehensive Industrial Solutions
Full-chain services including fluid technology services, technology development, technical consultation, technical exchanges, technology transfer, and technology promotion.
Sales and integration solutions of industrial automatic control system devices, helping enterprises achieve intelligent production and process optimization.
Professional sales of valves, stopcocks, pumps, and vacuum equipment, covering all core components of industrial fluid control.
Sales of mechanical equipment, electrical equipment, instruments and meters, electronic products, and hardware products, meeting diverse industrial demands.
Manufacturing of mechanical and electrical equipment and specialized equipment, providing customized production services.
Complete qualifications for both goods and technology import & export, connected to global market resources.
Our Core Values
Driven by technological innovation, we continuously advance in fluid transmission and industrial automation, driving progress in the industry.
Customer-oriented, providing professional, efficient, and reliable technical services and product solutions.
Adhering to integrity as the foundation, with A-level tax credit rating, gaining market recognition through quality and reputation.

A global leader in industrial automation, providing precision measurement, control valves, and asset management solutions that drive safety, reliability, and efficiency in process industries worldwide.

A century-old brand of precision measuring instruments, offering high-end laboratory equipment such as densitometers, viscometers, and alcohol meters.

The world's leading manufacturer of loading arms and API dry-break couplings, widely used in ship and petrochemical loading industries.

A benchmark brand in dry-break couplings and tank units, specially designed for safe transmission of oil products and chemical media.

An intelligent sensing solutions expert with 20 years of experience, specializing in process instruments including radar level meters, flow meters, and temperature & pressure sensors for industrial IoT applications.

A UK-based power solutions specialist established in 2016, providing UPS systems, diesel generators, LV switchgear, power distribution units, and advanced SCADA control systems, certified as a Schneider panel manufacturer with ISO 9001/14001/45001 accreditations.
Premium Industrial Equipment
专注于干式快速接头,适用于油品和化工介质的安全流体传输。








World-leading loading arms and API dry-break couplers for marine and petrochemical loading applications.

API Dry-Break Coupler J0451

API Dry-Break Coupler J0452

API Flanged Dry-Break Coupler J0453

Marine Loading Arm System

Standard Loading Arm

Loading Arm for Toxic Media

Floating Suction Device

High Pressure Marine Loading Arm System
A century-old brand offering high-end precision measuring instruments for laboratory and process applications.

High-precision density measurement

Alcohol concentration measurement

Inline Process Sensor Series

Stabinger Viscometer

MKT Series High-Precision Thermometer

RTD Temperature Calibration System

Handheld density & concentration meter · 0-3 g/cm³ range · built-in pump sampling · IP54 protection · 1024 data storage · optional RFID identification · ideal for on-site quality checks

±0.00002 nD accuracy · 1.26-1.72 nD range · Peltier temperature control 4-105°C · sapphire prism with 25-year warranty · 70 µL sample volume · touchscreen operation · USB/RS232 interface
20 years of expertise in intelligent sensing solutions, specializing in level, flow, temperature, and pressure instruments for industrial IoT applications.

26GHz/80GHz FMCW radar · up to 120m range · ±3mm accuracy · non-contact for liquids, solids & corrosive media · Exd/Exia explosion-proof

Non-contact ultrasonic measurement · 0-30m range · digital temperature compensation · integrated or remote type · IP65 for wastewater & chemical tanks

Vortex shedding flow meter for steam, gas and liquid

Mag flow meter for conductive liquids

Standard-type pressure transmitter for industrial process control

Integrated display temperature transmitter with high accuracy

High-precision liquid turbine flow meter · DN4-DN200 · ±0.5% accuracy · 4-20mA/pulse output · SS304/316L body · for diesel, gasoline, water and other clean liquids · -20~120°C

Integrated display magmeter · DN10-DN1200 · ±0.5% accuracy · PTFE/PU rubber liner · Hastelloy/titanium electrodes · RS485 Modbus/HART · IP67 · for conductive liquids, wastewater and slurries
A global leader in industrial automation, delivering precision measurement, control valves, and analytical instrumentation for process industries worldwide.

10-year stability, 150:1 rangedown · ±0.04% accuracy · 4-20mA HART/FOUNDATION Fieldbus/WirelessHART protocols · Patented Coplanar technology · SIL 2/3 certified · Bluetooth connectivity

±0.10°C digital accuracy for Pt100 RTD · Dual sensor Hot Backup™ · X-well technology eliminates thermowells · 5-year long-term stability · HART/Fieldbus protocols · SIL 3 capable

±0.05% mass flow accuracy · ±0.0005 g/cm³ density measurement · 100:1 turndown · 0.01-27,000 kg/h flow range · No straight pipe required · -240°C to 350°C · Self-validation diagnostics

±3mm accuracy, 50m measurement range · Direct Switch Technology · SIL 2 IEC 61508 certified · Dynamic Vapor Compensation · Handles foam, vapor, turbulence · TÜV overfill prevention approved

HART 4-20mA communication · Linkage-less non-contact feedback · Performance diagnostics & predictive alerts · -40 to 85°C · IP66 rated · Modular design for live maintenance · SIL 3 capable

±0.3% linearity, ±0.10% repeatability · DN100-DN900 (4"-36") · No moving parts, zero pressure drop · Bi-directional flow · MeterLink™ diagnostics · -50°C to +150°C · Ideal for custody transfer

Rosemount 8700 series magmeter · ±0.2% accuracy · DN2-DN24 (1/2"-96") · PTFE/PU liner · HART/Modbus · empty-pipe detection · advanced diagnostics · for conductive liquids, slurries and wastewater

Fisher GX globe control valve · pneumatic diaphragm actuator · 316 stainless steel trim · ANSI 150-600 · optional DVC6200 positioner · bubble-tight shutoff · for chemical, oil & gas, and power applications
UK-based power solutions specialist providing UPS systems, diesel generators, LV switchgear, power distribution, and advanced control systems, certified as a Schneider panel manufacturer.

3kVA to 900kW+ · Online double conversion · True on-line topology with zero transfer time · Input power factor >0.99 · THDi <3% · DSP digital control · Hot-swappable battery modules · N+1/X redundant architecture · SNMP/Modbus remote management

6kVA to 3MVA · silent canopy <65dB at 7m · Cummins/Perkins/Deutz/Yanmar engine options · AMF auto mains failure control · 50Hz/60Hz · factory-tested & ready for shipment

Up to 6300A rated current · Form 4 Type 7 segregation · Schneider certified panel builder · Air circuit breakers (ACB) with microprocessor protection · Type-tested assemblies per IEC 61439 · IP42-IP54 enclosure · Internal arc protection

4-pole design · 100A to 6300A ratings · Motorized open-transition or closed-transition · Adjustable time delays · Dual source monitoring · Mechanical & electrical interlocking · Auto/manual/test modes · Fire alarm interface · BMS communication

Rack-mount 19" design · 3-phase input up to 400A · Per-outlet metering (POE) · IEC C13/C19 outlets · Individual circuit breaker protection · Environmental monitoring (temp/humidity) · Network management via SNMP/SSH/HTTP · Hot-swappable controller module

PLC-based architecture with redundant controllers · Real-time monitoring of UPS, generators, ATS, and PDU · IEC 61131-3 programming · Modbus TCP/RTU, DNP3, IEC 61850 protocols · HMI touchscreen interface · Cloud-based remote access · Event logging & trend analysis · BMS system integration

Lithium iron phosphate (LiFePO4) battery · 50kWh-2MWh capacity · 6000+ cycles at 80% DOD · integrated PCS & BMS · air-cooled or liquid-cooled · peak shaving, demand response & backup power · remote monitoring via cloud platform

20ft/40ft containerized genset · 500kVA-3MVA · weatherproof & soundproof · integrated fuel tank · parallel operation up to 10 units · AMF control panel · remote monitoring · for data centers, mining & industrial plants
Serving Diverse Industrial Sectors
Safe fluid transfer solutions for petroleum refining and chemical processing.
Efficient loading and unloading systems for tank farms and distribution centers.
Marine loading arms and couplers for port and vessel operations.
Hygienic fluid transfer and precision measurement for food production.
High-purity fluid control solutions for pharmaceutical manufacturing.
Sustainable fluid technology for energy production and environmental protection.
Let's Build the Future Together