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MTV03
Mantern
Engineered for critical safety applications, this emergency shut-off electromagnetic valve provides absolute control over town gas distribution networks. The core architecture relies on a robust wrought aluminum alloy body, selected specifically for its structural integrity under continuous mechanical stress and its inherent resistance to corrosive industrial atmospheres. Unlike standard cast alternatives, the wrought alloy construction eliminates internal porosity, ensuring a dense, impenetrable boundary for gas containment. Every unit undergoes rigorous bubble-level zero-leakage testing, strictly adhering to international valve pressure testing protocols such as API 598 and EN 12266. This meticulous validation process ensures that the NBR rubber sealing components maintain a flawless barrier against gas permeation, safeguarding facility infrastructure against hazardous accumulations. Furthermore, the assembly is certified with an Exmb ||T4 explosion-proof mark, confirming its operational stability in volatile environments where combustible gases are continuously present. Compliance with ATEX directives and global gas control safety standards guarantees that this valve meets the strict entry and acceptance criteria for complex engineering projects, municipal gas grids, and commercial boiler installations worldwide. The integration of these premium materials and rigorous testing methodologies results in a component built for decades of reliable service.
Suitable gas types: town gas
Closing modes: current impulse or manual
Body: wrought aluminum alloy
Driving Voltage: DC 9-12V
Sealing material: NBR rubber
Close time : <1sec
Operation temperature: -10~50℃
Explosion proof mark:Exmb ||T4
Pressure max.: 50kpa or 100kpa
Lead wire: 0.4m
Connection: G1/2",G3/4",G1"
Turn on: manual
The operational mechanics of this security gas electromagnetic valve are designed around a sophisticated fail-close architecture, prioritizing immediate hazard isolation during critical events. When an emergency switch is activated or a fault condition is detected by external sensors, the integrated capacitor discharges rapidly. This sudden discharge provides a highly concentrated electric current to the internal copper coil, generating a powerful magnetic field that pulls down the valve mechanism, achieving complete and hermetic closing within one second. This rapid, sub-second response is absolutely critical for mitigating sudden pipeline ruptures, preventing catastrophic gas buildup, or isolating equipment failures before they escalate.
Beyond basic localized operation, the electronic control system is engineered for seamless integration with advanced facility security networks. It connects directly to ambient gas leak detectors, thermal fire alarm circuits, and centralized DCS/SCADA monitoring systems, enabling millisecond-level remote or automated emergency shut-offs across sprawling industrial complexes. In the event of intense physical vibrations, seismic activity, or total power loss, the fail-close mechanical design automatically secures the gas line without requiring external power. Restoring the gas flow requires a deliberate, physical manual intervention. Operators must physically pull the reset stem upwards; this action is accompanied by a distinct, firm mechanical click and solid metallic resistance, providing clear tactile and auditory confirmation that the internal latch is securely locked in the open position. This mandatory manual reset protocol strictly prevents accidental or unauthorized reactivation before a thorough safety inspection of the pipeline network is completed.
Proper deployment and precise installation are crucial for maintaining the long-term integrity of heavy-duty gas control systems. We provide comprehensive, step-by-step documentation detailing precise thread connection torque specifications for the G1/2", G3/4", and G1" interfaces. Following these torque guidelines is essential to prevent overtightening, which can induce micro-fractures in the wrought aluminum alloy body, or undertightening, which risks subtle fugitive emissions. The accompanying installation manual includes clear directional flow indicators, optimal mounting orientations to prevent debris accumulation in the valve seat, and a systematic troubleshooting guide. This detailed documentation significantly reduces construction errors, accelerates commissioning times, and minimizes long-term maintenance overhead for engineering contractors and facility operators.
Non-Standard Customization: We routinely accommodate specific project requirements by offering customized dimensional footprints, specialized flange adaptations, and alternative driving voltage configurations tailored to regional electrical standards beyond the standard DC 9-12V range.
Sample Validation: Comprehensive sample testing services are readily available, allowing procurement teams and safety engineers to verify the sub-second closing time and Exmb ||T4 explosion-proof performance in their own simulated environments prior to committing to volume orders.
Reliable Fulfillment: Our production facilities operate with optimized supply chain logistics, allowing us to maintain stable delivery schedules and consistent output capacities across both peak and off-peak seasons, ensuring that large-scale infrastructure projects remain strictly on schedule.
Technical Assistance: A dedicated engineering support team provides rapid-response technical consultations, assisting clients with complex integrations into legacy SCADA systems or customized fire safety networks.
Mantern Industrial Co., Ltd. is engaged in international business since 2012. Our aim is to provide good products with competitive price for our clients.
