Jianqiao Valve Industry Group Co., Ltd. Jianqiao Valve Industry Group Co., Ltd.
Dynamic disc type drain valve

Dynamic disc type drain valve

Dynamic disc type drain valve
Dynamic disc type drain valve

Dynamic disc type drain valve
Dynamic disc type drain valve

Thermodynamic Disc Steam Trap High Pressure Automatic Steam Drain Valve

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The Dynamic Disc Type Drain Valve is an automatic drainage valve designed to efficiently discharge condensate, water, and non-condensable gases from steam and industrial pipeline systems. It adopts a dynamic disc operating mechanism that automatically adjusts the opening and closing of the valve according to pressure and temperature changes, ensuring fast response, reliable sealing, and continuous drainage performance.

Dynamic disc type drain valve

This valve features a compact structure, high operating sensitivity, excellent resistance to water hammer, low steam loss, and long service life. It is widely used in steam systems, heating equipment, process pipelines, and industrial applications requiring efficient condensate removal.

We provide professional OEM manufacturing and customization services, including customized valve sizes, body materials, connection standards, pressure ratings, sealing materials, internal structures, surface treatments, logo marking, and packaging solutions. Our engineering team can provide customized designs based on different operating conditions, installation environments, and customer requirements.

All products are manufactured under strict quality control procedures and are supplied with complete valve industry certifications, including material certificates, pressure test reports, quality inspection documents, and other compliance certifications required for international markets.

Parameter Specifications

Parameter Specification
Product Name Dynamic Disc Type Drain Valve
Valve Type Automatic Disc Type Drain Valve / Steam Trap
Operation Method Automatic Self-Actuated Operation
Working Principle Dynamic Disc Pressure and Temperature Control
Valve Body Material Stainless Steel / Carbon Steel / Cast Steel / Customized
Disc Material Stainless Steel / Hardened Alloy Steel / Customized
Internal Components Stainless Steel / Corrosion Resistant Alloy
Connection Type Threaded / Flanged / Socket Weld / Customized
Connection Standard ANSI / DIN / JIS / BSP / NPT
Nominal Size DN15–DN100 (Customized Available)
Pressure Rating PN16–PN63
Maximum Working Pressure Up to 6.3 MPa (According to Design Requirements)
Working Temperature -20°C to +425°C (Customized Available)
Applicable Medium Steam, Condensate, Hot Water, Process Fluids
Drainage Mode Automatic Condensate Discharge
Response Speed Fast Opening and Closing Response
Leakage Performance High Sealing Performance, Reduced Steam Loss
Installation Method Horizontal / Vertical Installation According to Model
Maintenance Simple Structure, Easy Maintenance
Surface Treatment Anti-corrosion Coating / Polishing / Customized
OEM Capability Customized Size, Material, Pressure Class, Connection, Logo, Packaging
Inspection Standard Pressure Test, Leakage Test, Performance Test
Certifications ISO Quality System, Material Certificate, Pressure Test Certificate, Industry Compliance Documents

Industry Applications

The Dynamic Disc Type Drain Valve is widely used in various industrial fields requiring automatic and efficient condensate drainage, including:

  • Steam Pipeline Systems
    Used for automatic removal of condensate from steam distribution pipelines and steam equipment.
  • Boiler and Heating Systems
    Helps improve thermal efficiency by quickly removing accumulated condensate.
  • Power Generation Industry
    Applied in steam turbine auxiliary systems, heating networks, and energy recovery equipment.
  • Petrochemical Industry
    Suitable for process heating systems, reactors, and high-temperature steam pipelines.
  • Chemical Processing Industry
    Provides reliable drainage solutions for temperature-controlled production processes.
  • Food & Beverage Industry
    Used in steam sterilization, heating, and processing equipment.
  • Pharmaceutical Industry
    Suitable for clean steam systems requiring stable and hygienic condensate discharge.
  • Textile Industry
    Applied in steam dryers, dyeing equipment, and heating systems.
  • Paper Manufacturing Industry
    Used for drying cylinders and steam heating equipment.
  • HVAC and Industrial Heating Systems
    Provides automatic drainage for heating pipelines and thermal equipment.

Key Advantages:

  • Fast automatic drainage response
  • Prevents steam loss and improves energy efficiency
  • Excellent sealing performance
  • Resistant to pressure fluctuations and water hammer
  • Compact design with low maintenance requirements
  • Flexible OEM customization for different industrial applications

Material customization plan

Customized 316L stainless steel valves forGerman chemical enterprises. Resistant tostrong corrosion, suitable for their acidicmedium transportation systems, with aservice life extended to over 8 years.

Structural optimization design

For the Saudi desert project, the valve stemsealing structure was changed to a doublebellows design to address the leakage issuein the high-temperature and dustyenvironment, and it was highly recognizedby the customers.

Interface standard adaptation

Customized API 600 standard valves for acertain company in the United States. Theflange size is fully compatible with ANSIB16.5, ensuring zero error during on-siteinstallation and reducing the constructionperiod by 30%.

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