OEM Gas Shut Off Solenoid Suppliers & Manufacturer

Precision Gas Safety Systems & High-Performance Automation Solutions for Global Markets

Critical Mechanics of Gas Shut Off Solenoid Valves

A gas shut off solenoid valve is an electro-mechanically operated valve designed to quickly and reliably halt the flow of combustible gases, toxic compounds, or air mixtures upon receiving an electrical trigger from gas detection networks or emergency shutdown systems. Serving as the primary physical barrier in gas distribution, these valves require rapid response times, tight tolerances, and absolute compliance with safety standards such as EN 161 and ISO certification.

For OEM procurement specialists, understanding the structural design is vital. High-performance solenoid valves employ specialized seal materials like fluororubber (FKM) or nitrile (NBR) to maintain integrity under extreme pressures. Combined with an anti-friction guide ring and precision copper coil winding, these valves offer continuous uptime and safe closure in fractions of a second during emergency hazard detections.

System Integration Highlight

By integrating our OEM solenoid valves directly with industrial alarms like the XP4000P Explosion Proof Gas Detector and centralizing operations via the JB-TB-AT2020S Gas Detector Controller, facility operators establish a closed-loop mitigation framework that isolates leaks within milliseconds of detection.

Global Procurement: Addressing Critical Safety Failures

Industrial operators, petrochemical plants, and municipal gas suppliers demand valves that perform continuously under harsh working environments. Sourcing must satisfy strict parameters.

Total Compliance & Certifications

Enterprise procurement requires certifications that align with national regulations, such as explosion-proof standards, CE marks, and SIL ratings, to legally deploy devices in hazardous classified regions.

Low Pressure Drops & High Flow

Unintended pressure drops lower terminal burner efficiency. Sourcing specifies optimized internal valve paths that maintain maximum volumetric flow while keeping resistance values minimal.

Zero Leakage Under Pressure

In highly demanding processes, valves must guarantee bubbles-tight shut-off. Even minute leaks can lead to explosive vapor concentrations, causing severe risk of life and infrastructure loss.

Chengdu Factory & Office

Chengdu Factory & Office

Deyang Factory

Deyang Factory

Industrial Supply Chain Benefits of Sourcing from China

Sourcing OEM gas shut off solenoid valves from China provides substantial competitive advantages, blending manufacturing scale, vertical integration, and cluster supply chains. At Xinhaosi, we control the production cycle from raw copper alloy casting and precision CNC winding, to automated assembly and final calibration testing. This ensures shorter lead times, high repeatability, and consistent performance across production runs.

By using localized raw material ecosystems and specialized technical clusters, we offer high-grade gas safety valves at a lower total cost of ownership (TCO) than Western counterparts. This enables global OEMs to scale up distribution without sacrificing quality or security.

About Xinhaosi

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.

Core Value Delivery

  • 20+ Years of Industry Leadership and Technical R&D
  • Tens of Millions of Units Produced and Deployed Globally
  • CNAS-Accredited In-House Laboratory (ISO/IEC 17025 Compliant)
  • Full Customization (OEM/ODM) to meet regional safety codes
  • Global Operations spanning Petrochemical, Municipal Gas, and Industrial Plants
Technical Strength

Technical Strength & Patent Leadership

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.

Industrial Application Scenarios

Xinhaosi gas shut-off valves and detectors are engineered for extreme safety demands, delivering rapid emergency isolation across diverse operational settings.

Petrochemical & Refineries

Designed for explosive and hazardous atmospheres. Heavy-duty explosion-proof solenoids operate under high pressures to shut down gas flow during line ruptures, preventing catastrophic fire risks.

Urban Gas Networks

Used in municipal pressure regulating stations and high-volume distribution lines. These valves protect urban centers by automatically closing during seismic events or pressure drops.

Commercial Kitchens & Buildings

Installed in commercial kitchens, hotels, and schools. Connected directly to household and light-commercial gas alarm detectors, the system secures spaces from undetected leaks.

Future Trends in Gas Safety Technology

The gas safety industry is transitioning from reactive safety systems to proactive, intelligent monitoring networks. Modern systems combine valve components with cloud infrastructure to deliver remote diagnostic data directly to plant operators.

Key shifts driving development include low-power energy profiles, built-in flow diagnostics, and IoT connectivity, which are reshaping the requirements of industrial procurement managers.

30%
Reduction in Device Failures
1s
Emergency Response Time
50+
Patents & Copyrights
CNAS
ISO 17025 Accredited

Our Two Decades of Growth & Innovation

From a focused startup in 2003 to an internationally recognized leader in automated gas safety systems.

2003 - 2008
Company Startup Phase

Established on April 17th, 2003. Launched the 1st generation of gas leak alarm and fire fighting products, laying the foundation for our safety technology portfolio.

Xinhaosi 2003-2008
2009 - 2012
Initial Scale Achievement

Started gas safety valve production and expanded the OEM business division. Moved into Longtan Industrial Park to house growing operations.

Xinhaosi 2009-2012
2013 - 2016
Rapid Growth & Expansion

Achieved 10 million units in gas detector sales. Moved to our Chengdu factory facility and built out a comprehensive national sales and service network.

Xinhaosi 2013-2016
2017 - 2020
Market Leadership

Launched self-developed IoT platform. Developed emergency evacuation systems and became an approved official supplier for China's top 5 gas groups.

Xinhaosi 2017-2020
2021 - 2023
Steady Strategic Development

Began construction of the Deyang factory, established the Petrochemical & International business divisions, and received the Sichuan Provincial Technology Center designation.

Xinhaosi 2021-2023
2024 - Future
Embracing the Future

Began operations at the Deyang factory. Launched urban gas monitoring systems, wireless detection series, and advanced AI safety valve products.

Xinhaosi 2024 and Future

Technical FAQ for Sourcing Managers

Clear, professional answers regarding compliance, manufacturing capabilities, and custom options.

What type of gas shut off solenoid valves are available for OEM customization?
We provide a wide selection of OEM gas shut off solenoids, including Normally Open (NO) and Normally Closed (NC) variations. These products cover domestic utility lines, commercial building networks, and heavy industrial applications. Available materials include high-grade cast aluminum alloys, brass, and stainless steel, with sizes ranging from DN15 to DN300+ to fit varied pressure requirements.
How does Xinhaosi guarantee explosion-proof performance in hazardous zones?
Our valves are engineered to meet strict international explosion-proof standards, utilizing flameproof enclosures (Ex d IIC T6 Gb) to isolate electrical ignition points. Heavy-duty copper coils are encapsulated in thermosetting epoxy resin to prevent electrical sparks from contacting ambient combustible vapors.
Can these valves integrate directly with third-party gas detection networks?
Yes. Our solenoid valves operate on standardized voltage inputs (typically 12VDC, 24VDC, or 220VAC pulse signals) and are designed to integrate with any Modbus, RS485, or analog loop controller, such as the JB-TB-AT2020S or JB-TB-AT2020LH, and support customized communication configurations.
What standard certifications do Xinhaosi gas solenoid valves carry?
Our safety valves are manufactured under ISO9001 quality management guidelines. Depending on product configurations, they carry CE approvals, SIL ratings, and Chinese national compulsory certifications. Calibration validation is performed in our in-house CNAS-accredited testing facility.
What are the lead times and production capacities for large-scale OEM orders?
Our Chengdu and Deyang facilities produce tens of millions of units annually. Standard OEM modifications typically ship within 4 to 6 weeks, while fully customized designs range between 8 to 12 weeks, depending on tool development and regulatory approvals.
Do you offer localized support and compliance guidance for European and American markets?
Yes, our dedicated international business unit provides technical compliance support. We ensure that our valve assemblies, components, and material certificates align with local regulations, including CE/PED and ATEX standards for direct integration into overseas projects.