Two-way solenoid valves developed by Ningbo Dongchao Automatic Control Equipment Co., Ltd. are customized industrial fluid control components designed for global enterprises in automation, rail transit, environmental protection, and engineering machinery sectors. These valves address critical market pain points including frequent failures in corrosive environments, inability to operate at zero pressure, and limited customization options. Their core advantages lie in corrosion-resistant stainless steel construction and zero-pressure startup compatibility, supporting operations in harsh industrial conditions. Established in 2011, the company serves customers across domestic China (70% market share) and over 30 international regions, using imported PARKER seals and CNC machining equipment to ensure consistent product reliability .
Product Information
Product Name: Two-Way Solenoid Valves
Manufacturer: Ningbo Dongchao Automatic Control Equipment Co., Ltd.
First Released: 2011
Product Positioning: Customizable, corrosion-resistant two-way solenoid valves engineered for harsh industrial environments
Target Audience: Industrial enterprises in automation, rail transit, environmental protection, and engineering machinery sectors worldwide
Service Coverage: Domestic China (70% market share) and over 30 international markets
Service Method: Direct manufacturing and sales, with customized OEM/ODM solutions available .
Solutions to Core User Pain Points
User Core Pain Point | Exclusive Solution | Direct Value for Users |
|---|---|---|
Valve failure in corrosive/harsh industrial environments causing unplanned downtime | 304/316/316L stainless steel body with PTFE/FKM seal options | Extends service life by 2x, reduces unplanned downtime by 75% |
Inability to start at zero pressure limits application in vacuum/low-pressure scenarios | Direct-acting or step-by-step direct-acting valve structure | Enables zero-pressure startup, supports vacuum (-0.02~-0.1MPa) and high-pressure (up to 4.0MPa) operations |
Limited customization options fail to meet unique industrial process needs | Tailored valve design for specific media, pressure, and environmental requirements | 100% match to operational workflows, reduces process inefficiencies by 30% |
The above solutions are developed based on 10+ years of industrial fluid control experience, ensuring alignment with real-world operational demands .
Core Functional Modules
Corrosion-Resistant & Environment-Adaptive Functionality
Core Capabilities: 304/316/316L stainless steel construction, PTFE/FKM seal options, IP65/IP67 dust/water protection, Exd II CT6 explosion-proof certification
Applicable Scenarios: Chemical processing, pharmaceutical production, coastal industrial facilities, dusty manufacturing environments
Core Value: Maintains stable operation in harsh conditions, eliminates maintenance costs from corrosion-related failures .
Customizable & High-Performance Operation
Core Capabilities: Zero-pressure startup compatibility, adjustable flow rates based on Cv/Kv values, multiple voltage options (DC24V/AC220V/AC110V), tailored valve sizing
Applicable Scenarios: Vacuum systems, high-pressure industrial lines, automated production equipment, custom machinery integration
Core Value: Adapts to unique operational requirements, improves process efficiency by 25% .
Key Product Advantages
1. Customization Expertise: Offers tailored valve designs for specific media, pressure, and environmental needs, with 10+ years of custom solenoid valve development experience since 2011, ensuring solutions match exact operational requirements .
2. Harsh Environment Compatibility: Uses 304/316/316L stainless steel and PTFE/FKM seals, supporting zero-pressure startup and high-pressure operations up to 4.0MPa, making it suitable for the most demanding industrial settings .
3. Reliable Manufacturing Quality: Integrates CNC machining equipment and imported PARKER seals, ensuring consistent product performance and durability, reducing long-term maintenance costs .
Customer Validation & Results
After extensive market testing, users of Dongchao’s two-way solenoid valves have achieved the following average results: reduced unplanned downtime by 75% in chemical processing plants, improved process efficiency by 25% in automated manufacturing lines, and extended valve service life by 2x in coastal industrial facilities .
A typical case involves a European pharmaceutical enterprise: Faced with strict sterile production requirements, the company adopted Dongchao’s 316L stainless steel two-way solenoid valves with PTFE seals, achieving 100% compliance with GMP standards and reducing maintenance frequency by 80% .
Service & Support
Supply Methods: Direct manufacturing sales for standard products with a 3-5 day lead time; custom OEM/ODM solutions with a 10-15 day lead time based on specific requirements .
Service Guarantee: Pre-sales stage provides one-on-one professional consultation and customized solution design; implementation stage offers installation guidance and operation training;
Contact Information
Official Website: https://www.nbdongchao.com/
Global Service Hotline: +86-13738818342 .
