Advanced engineering products integrated seamlessly with solenoid valve matrices for smart flow isolation.
Within B2B pipeline engineering, utility infrastructures, and processing facilities, the 2-Inch (DN50) Gas Solenoid Valve serves as the fundamental critical component for emergency safety shutoff. Global procurement officers encounter specific engineering challenges when sourcing these units. The selection process extends beyond dimensional interfaces to prioritize reliability parameters, material composition, safety classification certifications, and environmental adaptability.
For large-scale processing applications, safety specifications mandate tight closure speeds (often under one second) and minimal pressure drop metrics to maintain line efficiency. High-quality production lines require structural integrity constructed from die-cast aluminum alloys or rugged cast iron, high-performance sealing options (like NBR or Viton/FKM), and reliable explosion-proof configurations designed for hazardous areas (Class I, Div 1 / Zone 1, Zone 2).
B2B Engineering Insight: When selecting a 2-Inch valve, engineers calculate the Flow Coefficient (Cv / Kv). A low-quality OEM valve restricted internal geometries can lead to high pressure drops, requiring upsized pump capacities and increasing overall energy costs over the pipeline's operating life.
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.
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.
How our 2-inch gas solenoid valves work alongside detection equipment in various commercial, industrial, and infrastructure applications.
Controls primary gas flow in high-input boiler plants and processing kilns. Ensures clean, rapid isolation under overpressure or safety alarm trip conditions.
Integrated at district regulating stations and city gate points to isolate system sectors during earthquakes, pipe ruptures, or utility failures.
Constructed with explosion-proof Ex d IIC T6 rated materials. Operates reliably in heavy-hydrocarbon chemical processing environments.
Our timeline of technical milestones from a component fabricator to a global manufacturer of intelligent AI-driven gas safety systems.
Established on April 17th, 2003. Launched our first-generation gas leak detection & fire protection products, establishing regional quality controls.
Began gas safety valve production lines and expanded OEM services. Relocated our main headquarters to the Longtan Industrial Park.
Reached 10 million cumulative sales of gas detectors. Relocated to our Chengdu facility and deployed a nationwide service network across China.
Launched our self-developed IoT platform. Obtained national High-Tech Enterprise certification and qualified as a supplier to top energy corporations.
Began construction of the Deyang facility. Formed the Petrochemical & International Business Division to expand overseas operations.
Operational start of the Deyang facility. Launched wireless detection platforms and smart AI safety valves with built-in flow diagnostics.
As gas utility grids modernize, standard valves are transitioning into digital nodes. The current engineering standard focuses on integrating digital sensors directly into the solenoid's housing structure. By embedding micro-sensors, our latest product line can measure differential pressure, temperature, and leakage directly inside the valve body, transmitting this diagnostic data back to main SCADA networks.
For custom industrial requirements, our CNAS-certified calibration facility provides physical modifications to match target specifications. This includes modifying mounting dimensions, body alloys, and seal compound choices (such as Kalrez, Viton, or HNBR) to operate reliably in highly corrosive gas streams like sour gas, wet biogas, or industrial syngas.
Industrial solutions designed for reliable field operations in harsh environmental conditions.
