Jianqiao Valve Industry Group Co., Ltd. Jianqiao Valve Industry Group Co., Ltd.
Oxygen check valve

Oxygen check valve

Oxygen check valve

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The Oxygen Check Valve is specially designed for oxygen service applications requiring strict cleanliness and safety standards. Manufactured with oxygen-compatible materials and precision degreasing treatment, it effectively prevents reverse flow, protects equipment, and ensures safe operation. Its low-resistance design delivers reliable sealing and extended service life.

Oxygen check valve

The Oxygen Check Valve is engineered specifically for oxygen pipelines and oxygen-related industrial processes. All wetted parts undergo strict degreasing and cleaning procedures to eliminate oil contamination and reduce combustion risks. The valve automatically prevents reverse flow, protecting compressors, storage tanks, vaporizers, and process equipment.

Constructed from high-quality stainless steel, brass, bronze, or oxygen-compatible alloys, the valve offers exceptional corrosion resistance, reliable sealing performance, and operational safety. It is widely used in medical oxygen systems, steel manufacturing, petrochemical plants, and industrial gas facilities.

Key Features

  • Designed specifically for oxygen service
  • Strict oxygen degreasing treatment
  • Reliable backflow prevention
  • Low flow resistance design
  • Excellent sealing performance
  • Fire-safe and oxygen-compatible materials
  • Corrosion-resistant construction
  • Long service life and low maintenance
  • OEM customization available
  • Compliant with international oxygen service standards

OEM & Customization Capabilities

OEM Service Scope

  • Custom valve sizes DN15–DN600
  • Pressure ratings PN10–PN160
  • ANSI Class 150–900
  • API, ASME, DIN, BS, JIS, and GB standards
  • Oxygen-clean assembly service
  • Custom connection dimensions
  • Customer logo and nameplate customization
  • Third-party inspection and testing
  • Export-standard packaging
  • Industrial gas project support

Customizable Options

Body Materials

  • Stainless Steel 304
  • Stainless Steel 316 / 316L
  • Brass
  • Bronze
  • Duplex Stainless Steel

Disc Materials

  • Stainless Steel
  • Bronze
  • Oxygen-Compatible Alloy

Seat Materials

  • PTFE
  • Metal Seat
  • PCTFE
  • Special Oxygen-Service Materials

Connection Types

  • Flanged
  • Threaded
  • Socket Weld
  • Butt Weld

Optional Features

  • Spring-Assisted Closure
  • Fire-Safe Design
  • Cryogenic Oxygen Service
  • High-Pressure Oxygen Design
  • Position Indicator
  • Special Surface Treatment

Certifications

Our Oxygen 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
  • Oxygen Cleaning & Degreasing Certification
  • Fire Safe Design Certification
  • SGS / BV / TUV Third-Party Inspection Available

Oxygen check valve

 

Parameter Specification
Product Name Oxygen Check Valve
Valve Type Swing Check Valve / Lift Check Valve
Nominal Size DN15 – DN600
Pressure Rating PN10 – PN160
ANSI Class Class 150 – Class 900
Body Material SS304, SS316, Brass, Bronze, Duplex Steel
Disc Material Stainless Steel, Bronze, Oxygen Alloy
Seat Material PTFE, PCTFE, Metal Seat
Connection Type Flanged, Threaded, SW, BW
Installation Horizontal or Vertical
Temperature Range -196°C to +200°C
Leakage Standard API 598 / ISO 5208
Design Standard API 594, ASME B16.34, DIN, GB
Applicable Media Oxygen, Industrial Gases, Medical Oxygen

Oxygen check valve

Medical Oxygen Systems

Ensures safe and contamination-free oxygen delivery in hospitals, clinics, and healthcare facilities.

Industrial Gas Production

Used in oxygen generation plants, air separation units, and gas storage systems.

Steel & Metallurgical Industry

Protects oxygen supply pipelines used in blast furnaces, converters, and steelmaking processes.

Petrochemical Industry

Provides reliable backflow prevention in oxygen-enriched process systems.

Aerospace & Special Gas Systems

Suitable for high-purity oxygen distribution and specialty gas applications.

Cryogenic Oxygen Facilities

Applied in liquid oxygen storage, transportation, and vaporization systems.

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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