Jianqiao Valve Industry Group Co., Ltd. Jianqiao Valve Industry Group Co., Ltd.
Power station check valve

Power station check valve

Power station check valve
Power station check valve
Power station check valve

Power station check valve
Power station check valve
Power station check valve

Power station check valve

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The Power Station Check Valve is specially engineered for demanding power generation applications. Designed to withstand high temperatures, high pressures, and severe operating conditions, it prevents reverse flow and protects boilers, turbines, pumps, and auxiliary equipment. Its robust construction ensures reliable sealing, low maintenance, and long-term operational safety.

Power station check valve

The Power Station Check Valve is a high-performance non-return valve developed for thermal power plants, nuclear power facilities, and industrial steam systems. It automatically prevents reverse flow, protecting critical equipment such as boiler feed pumps, steam turbines, condensate systems, and high-pressure pipelines.

Manufactured from forged steel, alloy steel, stainless steel, and chrome-molybdenum steel materials, the valve offers exceptional strength, heat resistance, and durability. Advanced sealing technology and optimized flow paths minimize pressure loss while ensuring reliable shutoff under extreme service conditions.

Key Features

  • Designed for high-temperature and high-pressure service
  • Reliable backflow prevention
  • Fast-closing mechanism reduces water hammer
  • Excellent sealing performance
  • Heavy-duty forged steel construction
  • Low pressure loss and smooth flow path
  • Long service life with minimal maintenance
  • Suitable for steam, water, and condensate systems
  • OEM customization available
  • Compliant with international power industry standards

OEM & Customization Capabilities

OEM Service Scope

  • Custom valve sizes DN25–DN1200
  • Pressure ratings PN16–PN420
  • ANSI Class 150–2500
  • ASME, API, DIN, BS, JIS, and GB standards
  • Special high-temperature material selection
  • Customized disc and spring configurations
  • Customer logo and nameplate customization
  • Third-party inspection and testing
  • Export-standard packaging
  • EPC power plant project support

Customizable Options

Body Materials

  • Forged Carbon Steel
  • Alloy Steel WC6
  • Alloy Steel WC9
  • Chrome-Molybdenum Steel
  • Stainless Steel 304
  • Stainless Steel 316
  • Duplex Stainless Steel

Disc Materials

  • Stainless Steel
  • Stellite Hard-Faced Disc
  • Alloy Steel Disc

Seat Materials

  • Metal Seat
  • Stellite Overlay Seat
  • Hard-Faced Alloy Seat

Connection Types

  • Flanged
  • Butt Weld
  • Socket Weld
  • Pressure Seal Bonnet

Optional Features

  • Non-Slam Design
  • Spring-Assisted Closure
  • High Temperature Design
  • Pressure Seal Bonnet
  • Hard-Faced Trim
  • Online Monitoring Interface

Certifications

Our Power Station Check Valves are manufactured and tested according to international standards:

  • ISO 9001 Quality Management System
  • API 594 Check Valve Standard
  • API 598 Inspection & Testing
  • ASME B16.34 Compliance
  • CE Certification
  • PED 2014/68/EU
  • ISO 5208 Leakage Testing
  • NACE MR0175 / ISO 15156 Compliance
  • ISO 15848 Low Emission Certification
  • SGS / BV / TUV Third-Party Inspection Available

Power station check valve

 

Parameter Specification
Product Name Power Station Check Valve
Valve Type Swing Check Valve / Lift Check Valve
Nominal Size DN25 – DN1200
Pressure Rating PN16 – PN420
ANSI Class Class 150 – Class 2500
Body Material Forged Steel, Alloy Steel, Stainless Steel
Disc Material Stainless Steel, Alloy Steel, Stellite Overlay
Seat Material Metal Seat, Hard-Faced Alloy
Connection Type Flanged, Butt Weld, Socket Weld
Installation Horizontal or Vertical
Temperature Range -29°C to +650°C
Leakage Standard API 598 / ISO 5208
Design Standard API 594, ASME B16.34, DIN, GB
Applicable Media Steam, Boiler Feed Water, Condensate, Oil, Gas

Power station check valve

Thermal Power Plants

Protects boiler feedwater systems, steam pipelines, and turbine auxiliary systems from reverse flow.

Nuclear Power Stations

Provides reliable backflow prevention in safety-critical cooling and steam systems.

Combined Cycle Power Plants

Ensures operational safety in gas turbine, steam turbine, and heat recovery systems.

Industrial Steam Networks

Used in high-pressure steam transmission and condensate recovery pipelines.

Petrochemical & Energy Facilities

Prevents reverse flow in utility systems handling steam, water, and process fluids.

Boiler Systems

Protects pumps and pressure vessels from flow reversal and pressure surges.

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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