From Daqing oil depot in the northeast to Daya Bay oil depot in the south, from Lanzhou reserve depot in the west to Zhoushan commercial reserve base in the east, from national strategic petroleum reserve depots to finished product tank farms of major refining and chemical enterprises... across the vast land of China, petrochemical storage bases stand like "hearts" on the energy artery, ensuring the safety and stability of national energy supply. Beside every storage tank, along every pipe corridor, and in every pump house of each oil depot, valve actuators from Yangzhou Hengchun Electronics Co., Ltd. are silently guarding.

50,000+ units, covering both crude oil and refined products, serving major customers including PetroChina, Sinopec, CNOOC, Sinochem, National Reserve, and private petrochemical enterprises — Hengchun Electronics escorts the safe and efficient operation of China's petrochemical storage industry with reliable products and professional services.

50,000+ Units Performance: A Reliable Choice for Petrochemical Storage

Petrochemical storage is an important link in the petroleum industry chain, undertaking important functions such as crude oil storage, refined product turnover, and strategic reserves, directly related to national energy security. Due to the flammable and explosive nature of stored media and the large scale of storage, there are extremely high requirements for equipment safety and reliability.

Since entering the petrochemical storage field, Hengchun Electronics has always focused on the R&D and manufacturing of electric valve actuators, continuously polishing product performance, improving product quality, and deeply understanding the special needs of the petrochemical storage industry. To date, more than 50,000 Hengchun valve actuators have been operating stably in various petrochemical storage bases nationwide.

From 100,000 cubic meter large crude oil storage tanks to small hundreds-of-cubic-meter refined product tanks; from national strategic petroleum reserve depots to local commercial reserve depots; from large coastal oil depot terminals to inland transfer oil depots, Hengchun actuators have won the trust of customers with stable performance and reliable quality.

The stable operation of each piece of equipment is the best proof of Hengchun's product quality. Under the industry principle of "safety first" in petrochemical storage, Hengchun actuators, with reliable operation time and time again, escort the safe production of oil depots.

Six Major Customer Groups, Industry-Wide Recognition

In the petrochemical storage industry, Hengchun Electronics' customers cover major enterprises and institutions in the industry, gaining wide recognition across the industry:

China National Petroleum Corporation (CNPC)

· Major oil field crude oil depots: Daqing Oilfield, Shengli Oilfield, Changqing Oilfield, etc.

· Refining and chemical enterprise oil depots: Dushanzi Petrochemical, Lanzhou Petrochemical, Dalian Petrochemical, etc.

· Sales company oil depots: provincial and municipal petroleum sales company refined product depots

· Pipeline company oil depots: supporting oil depots for West-East Gas Pipeline, China-Russia Eastern Route, etc.

China Petroleum & Chemical Corporation (Sinopec)

· Refining and chemical enterprise oil depots: Zhenhai Refining, Maoming Petrochemical, Qilu Petrochemical, etc.

· Sales company oil depots: provincial and municipal petroleum branch company refined product depots

· Commercial reserve depots: Sinopec Commercial Reserve Company reserve bases

· Pipeline company oil depots: supporting oil depots for Sichuan-East Gas Transmission, Rizhao-Yizheng, etc.

China National Offshore Oil Corporation (CNOOC)

· Offshore oil field onshore terminal oil depots

· Refining and chemical enterprise oil depots: Huizhou Refining, Daxie Petrochemical, etc.

· Sales company oil depots: CNOOC sales refined product depots

· LNG receiving terminal supporting tank farms

Sinochem Group

· Sinochem Energy various oil depots

· Sinochem Petroleum sales refined product depots

· Sinochem International chemical tank farms

· Sinochem Quanzhou Petrochemical and other refinery tank farms

Strategic Petroleum Reserve (SPR)

· National petroleum reserve base Phase I, II, III projects

· National Reserve Bureau directly subordinate reserve depots

· Commercial storage projects

· Strategic reserve supporting facilities

Private Petrochemical Enterprises

· Large private refining and chemical tank farms: Zhejiang Petrochemical, Hengli Petrochemical, Shenghong Petrochemical, etc.

· Local refinery tank farms: Dongming Petrochemical, Jingbo Petrochemical, etc.

· Various private commercial oil depots

· Private chemical storage enterprises

Full Scenario Coverage: Crude Oil + Refined Products, Reliable Operation at Every Link

The petrochemical storage industry has rich scenarios. From crude oil storage to refined product turnover, from large storage tanks to loading arms, every link is inseparable from the precise control of valve actuators. With excellent performance and wide adaptability, Hengchun actuators have achieved deep coverage of crude oil + refined product full scenarios:

Crude Oil Depot Applications

Tank Farm

· Tank root valves (feed valve, discharge valve)

· Tank transfer valves

· Floating roof tank supporting valves

· Tank blowdown valves, water cut valves

· Tank breather valve, safety valve supporting

· Tank nitrogen sealing system valves

Receiving & Dispatching System

· Oil transfer pump inlet/outlet valves

· Oil receiving main and branch pipe valves

· Oil dispatching main and branch pipe valves

· Pipeline pressure control valves

· Flow meter front and rear valves

· Emergency Shut-Down valves (ESD)

Heating & Insulation System

· Heating furnace inlet/outlet valves

· Heating coil steam valves

· Heat tracing system steam valves

· Temperature control valves

· Steam traps

Terminal/Pipeline Receiving

· Marine loading arm supporting valves

· Pipeline inlet station valves

· Metering system valves

· Pig launcher/receiver valves

· Blowdown, vent valves

 Refined Product Depot Applications

Tank Farm

· Gasoline tank, diesel tank, kerosene tank root valves

· Tank feed valves, discharge valves

· Tank transfer valves

· Internal floating roof tank supporting valves

· Tank breather valves, hydraulic safety valves

· Tank nitrogen sealing system valves

· Blowdown, water cut valves

Loading System

· Loading arm valves

· Batch loading control valves

· Loading pump inlet/outlet valves

· Vapor balance pipe valves

· Vapor recovery system valves

· Loading rack supporting valves

Unloading System

· Unloading arm valves

· Unloading pump inlet/outlet valves

· Unloading vapor recovery valves

· Weighbridge supporting valves

Pipeline Transmission System

· Transfer pump inlet/outlet valves

· Pipeline transmission valves

· Pressure control valves

· Flow control valves

· Emergency shut-down valves

Fire Protection & Safety System

Fire Water System

· Fire pump inlet/outlet valves

· Fire water main and branch pipe valves

· Fire hydrant system valves

· Sprinkler system valves

· Cooling water system valves

Foam Fire Extinguishing System

· Foam liquid pump inlet/outlet valves

· Foam mixture pipeline valves

· Foam generator supporting valves

· Foam monitor, foam hydrant valves

· Proportioner valves

Safety Protection System

· Emergency Shut-Down valves (ESD)

· Safety valves, pressure relief valves

· Flare system valves

· Combustible gas detection linkage valves

 Utility & Auxiliary Systems

· Circulating water system: circulating pump inlet/outlet valves, cooling tower distribution valves

· Steam system: steam main and branch pipe valves, pressure reducing control valves, steam traps

· Compressed air/nitrogen system: compressor inlet/outlet valves, pressure control valves, drying system valves

· Wastewater treatment system: oily wastewater treatment valves, rainwater collection system valves

· Power supply, HVAC system: supporting valves

· Automation system: various instrument valves, sampling valves

Compatible Valve Types

Hengchun actuators can be adapted to various types of valves commonly used in the petrochemical storage industry:

· Gate valves, ball valves, butterfly valves, globe valves, check valves, control valves, diaphragm valves, plug valves, etc.

· Special actuators for large-diameter valves (DN500~DN1200)

· Multi-turn, part-turn, linear stroke, and other drive forms

· On-off type, regulating type, intelligent type, and other functional configurations

· Standard type, explosion-proof type, anti-corrosion type, waterproof type, and other environmental adaptations

Designed for Storage Conditions: Safe, Reliable, and Stable Operation

The petrochemical storage industry has special working conditions — flammable and explosive, outdoor installation, complex environment, placing extremely high requirements on the safety, reliability, and protection performance of actuators. Targeting the special working conditions of the petrochemical storage industry, Hengchun Electronics has carried out special optimization design for its products:

Explosion-Proof Safety, Guarding Production Safety

· Explosion-Proof Products: Full series of explosion-proof actuators, meeting explosion-proof grade requirements such as Exd II BT4, adapting to the flammable and explosive environment of petrochemical storage, ensuring production safety

· Flameproof Structure Design: Adopting flameproof enclosure, internal sparks will not ignite external explosive gases, safe and reliable

· SIL Safety Certification: Some products have passed SIL functional safety certification and can be used for safety-related circuits such as emergency shut-down

High Protection Grade, Adapting to Outdoor Environments

· IP67/IP68 Protection Grade: High-standard sealing design, adaptable to various harsh environments such as outdoor rain, sand, high temperature, and low temperature

· Anti-Corrosion Coating Treatment: The shell adopts special anti-corrosion coating, adapting to coastal salt spray, chemical corrosion and other environments, extending equipment service life

· Wide Temperature Range Adaptation: Can operate stably at ambient temperatures from -40°C to +70°C, working reliably from severe cold in the northeast to scorching heat in the south

Reliable Performance, Ensuring Long-Term Stable Operation

· Long-Life Design: Core components undergo rigorous life testing to meet the long-cycle operation requirements of petrochemical storage equipment

· Low-Maintenance Design: Simple and reliable structure, reducing on-site maintenance workload and operation & maintenance costs

· Manual Operation Function: Equipped with manual operation mechanism, can be operated manually during power failure or fault, ensuring safety in emergency situations

· Clear Valve Position Indication: Intuitive valve position indication, convenient for on-site personnel to confirm valve status

Intelligent Control, Empowering Smart Storage

· Remote Monitoring: Supports bus communication, can be connected to SCADA systems for remote monitoring and operation, meeting the automation and intelligent management needs of oil depots

· Fault Self-Diagnosis: Built-in intelligent diagnosis function, real-time monitoring of equipment operating status, early warning of potential faults

· Data Collection: Can collect operating data, providing data support for equipment management and predictive maintenance

· Batch Control: Supports batch control scenarios such as batch loading, achieving precise loading with flow meters

Conclusion: With Reliable Quality, Safeguarding National Energy Security

Petroleum is the blood of industry, and petrochemical storage is the "ballast stone" of energy security. From national strategic petroleum reserves to commercial turnover oil depots, from large refining and chemical bases to sales terminal oil depots, petrochemical storage facilities are spread across the country, guarding the safety and stability of national energy supply.

Hengchun Electronics will continue to deepen its presence in the petrochemical storage field, continuously optimize product performance, and continuously launch actuator products more adapted to storage conditions. With reliable quality and professional services, we will contribute to the safe and efficient operation of the petrochemical storage industry and safeguard national energy security.