Founded in 2003, Xinhaosi is one of the most influential and trusted brands in the global gas safety industry. Over the past two decades, we have steadily built a robust and comprehensive production and service system, which integrates cutting-edge R&D, intelligent manufacturing with advanced automation equipment, digital marketing across global channels, professional after-sales support with an experienced technician team, flexible OEM/ODM services, as well as CNAS-Accredited laboratory calibration services that meet international standards.
Our diversified product portfolio covers industrial & residential gas detection & alarm systems, industrial & household gas solenoid valves, and urban gas pipeline network monitoring systems—all engineered to adapt to complex working environments and strict safety requirements. We produce and sell tens of millions of units annually, catering to a wide range of industries that demand reliable gas detection solutions, including oil & gas exploration and production, petrochemicals, urban gas distribution, automotive manufacturing, pharmaceuticals, new energy, steel production, and beverage processing.
Guided by the core mission of “Making Gas Safety Accessible Everywhere,” we consistently deliver high-performance, reliable products and customized solutions tailored to each client’s unique needs. Every item we manufacture undergoes rigorous quality control tests, and every service we provide is backed by our professional technical team, fully embodying our unwavering commitment to safeguarding gas safety across both industrial workplaces and residential environments, and striving to build a safer world with sustainable gas safety technologies.
When searching for a premier 2 Solenoid Valve Manufacturer & Factories, understanding the systemic advantages of Chinese precision engineering is vital. The global industrial marketplace relies on Chinese manufacturing not merely for cost efficiencies, but for unmatched integration of raw materials, manufacturing automation, and stringent safety standard compliance.
From specialized brass forging and stainless steel casting to precision electromagnetic coil winding, all critical nodes are clustered regionally. This reduces lead times and guarantees material traceability.
Leveraging multi-axis CNC machines and automated testing benches, we produce 2 solenoid valves that guarantee leak-free seating, optimal pressure rating, and stable response times over millions of cycles.
Leading manufacturers like Xinhaosi maintain strict alignment with ISO 9001, CE, ATEX, SIL-2, and national explosion-proof standards, making the products readily compliant for worldwide installation.
Adhering to ISO9001 quality management system standards, Xinhaosi's core products have obtained a full range of authoritative certifications, including national compulsory Products Certification, explosion-proof certification, fire product certification, CPA measurement instrument type approval certificate, and international approvals as CE, SIL. Additionally, Xinhaosi holds honors such as “National Quality Integrity Benchmark Enterprise”, “National Quality Leading Enterprise in the Gas Alarm Industry,” member of the China Fire Protection Association, and the main drafting organization for the national standard of solenoid valves, further confirming its industry influence and reputation.
In the field of intellectual property, Xinhaosi has built a robust innovation system with over 50 patents and software copyrights. These patents cover core technological areas, including a graphical monitoring system for gas detection and alarm, which enables predictive maintenance based on historical data to reduce equipment failure rates by over 30%, and a solenoid valve with flow monitoring functionality that integrates flow detection and alarm capabilities. The company also pioneered China's first networked bus-type gas leakage monitoring system and the only maximum-point gas leakage monitoring system certified by the Ministry of Public Security, demonstrating its leading position in cutting-edge technological research.
Our in-house laboratory is accredited by the China National Accreditation Service for Conformity Assessment (CNAS), recognized both domestically and internationally under the ILAC-MRA framework. It operates in accordance with ISO/IEC 17025, the international standard for testing and calibration laboratories. It provides reliable and traceable testing services for gas detection and alarm products, solenoid valves, and related safety equipment. Test reports issued by the CNAS-accredited laboratory are widely accepted by regulatory authorities, certification bodies, and customers in China and overseas, helping to ensure product quality, safety compliance, and market access.
The industrial landscapes of today demand smarter, safer, and more energy-efficient actuators. As a forward-thinking 2 Solenoid Valve Manufacturer, Xinhaosi actively integrates advanced dynamics to address these demands:
By optimizing electromagnetic coil winding and incorporating pulse-width modulation (PWM) control circuits, energy consumption is slashed by up to 60%, drastically reducing operational temperatures.
Smart sensors embedded within the valve body deliver real-time feedback on open/closed state, flow rates, coil health, and line temperature, preventing catastrophic failures.
Deploying specialized surface treatments such as electroless nickel plating and fluoropolymer seals (FKM, PTFE), our valves easily handle aggressive gases and harsh ambient conditions.
Solenoid valves are the execution arm of gas detection and safety networks. Depending on the environment, a 2 solenoid valve plays different safety-critical roles:
Explosion-proof 2-way solenoid valves interface directly with gas detectors like the GTYQ-XP4000 to shut down main fuel lines the millisecond combustible gases are detected, securing the operations from potential disasters.
Incorporating heavy-duty shut-off systems like the XF5III Series within city gates and pressure regulating stations, ensuring seamless management during line ruptures or seismic activity.
Our compact XF2 Series home gas solenoid valves work alongside domestic gas alarms (such as the JT-AT2004B) to quickly shut off residential LPG or natural gas lines, preventing fire outbreaks.
Over two decades of sustainable innovation, scaling gas protection and automation systems globally.
● Established in Apr. 17th, 2003.
● Launched the 1st generation of gas leak alarm & fire fighting products.
● Started gas safety valve production.
● Expanding on OEM business.
● Moved to the office building in Longtan industrial park.
● 10 millions pcs gas detector sales achieved.
● Moved into Chengdu factory building.
● Completed sales & service network across China.
● Launched the fire power monitoring system products.
● Self-developed IoT platform launched.
● Launched fire automatic alarm, emergency lighting, and evacuation systems.
● Obtained high-tech enterprise certificate.
● Qualified official supplier of China’s top 5 gas suppliers.
● Started Deyang factory construction.
● Established the Petrochemical & International business Division.
● Awarded the title of Sichuan Provincial Technology Center.
● Deyang factory construction completed and operation started.
● Launched urban gas pipeline network monitoring products.
● Launched wireless detection products.
● Launched AI safety valve products.
Procuring flow control hardware on a global scale requires attention to parameters beyond unit price. Safety assurance, cycle life, and customizability determine the total cost of ownership (TCO) for automated gas safety and distribution networks.
Always specify the medium (LPG, Natural Gas, Diesel, Water, or Corrosive Gases). It dictates whether brass, stainless steel, or aluminum valve bodies with corresponding NBR, Viton, or PTFE seals are required.
Verify maximum working pressure (PN ratings) alongside thread options (G, NPT) or flange sizes. A misaligned valve connection can lead to continuous fugitive emissions.
Match coil voltages (e.g., 24VDC, 110VAC, 220VAC) and ensure environmental ingress protection (IP65, IP67, IP68) is compliant with local zone hazard rules.
Get expert insights on selection, installation, and operation of 2 solenoid valve assemblies.
A 2-way solenoid valve (often referred to as a 2 solenoid valve) features one inlet port and one outlet port, functioning strictly as an on/off shut-off valve. A 3-way solenoid valve has three ports and two orifices, allowing it to switch flow pathways, divert media, or exhaust pressure from a control chamber.
Normally Open valves remain open without consuming power, ensuring unrestricted flow during standard operations. When linked to emergency alarm controllers like the JB-TB-AT2020LH, they only draw power to trigger a sudden shut-off when gas leakage is detected, which extends the overall operational life of the coil.
For hazardous areas, ensure the factory provides ATEX, IECEx, or national explosion-proof marks (such as Ex d IIC T6). For integration into safety instrumented systems (SIS), check for SIL-2 or SIL-3 safety certifications.
A CNAS-accredited facility tests products in compliance with ISO/IEC 17025 standards. This guarantees calibration, flow measurement, and explosion protection metrics are traceable and universally recognized by international regulators.
