Stainless Steel Check Valve

The Stainless Steel Check Valve is designed to prevent medium backflow in industrial pipeline systems. Manufactured with corrosion-resistant stainless steel materials and precision sealing technology, it is widely used in petrochemical, pharmaceutical, municipal water treatment, and industrial fluid control applications. This swing type check valve provides stable sealing performance under medium and high-pressure working conditions, helping improve pipeline safety and operational efficiency.

Key attributes

application	Petrochemical,pharmaceutical	media	Water,Oil,Media without impurities,etc.
Port Size	custom	Sealing Material	Stainless Steel
structure	Swing type	temperature of media	≤425℃
customized support	OEM,ODM,OBM	place of origin	Zhejiang,China
power	Manual	model number	3-150
brand name	KHD	warranty	1 years
Product name	Swing Check Valve hydraulic Check Valve	Material	Stainless Steel 304 316/WCB
Standard	ASTM BS DIN ISO JIS	Size	1-10
Packing	Carton Box	Color	Grey
Pressure	150-300CLASS	Service	24hours Online Service
Temperature	≤425℃	Medium	Water Oil Gas

Understanding the Markings on a Stainless Steel Check Valve

3 = 3 Inch Nominal Diameter (DN80)

• Suitable for medium and large flow pipeline systems
• Commonly used in chemical transportation pipelines
• Widely applied in municipal water supply and drainage projects

150 = Class 150 Pressure Rating

• Equivalent to approximately PN20 / 2.0MPa working pressure
• Suitable for most industrial pipeline environments
• Maintains stable anti-backflow performance during pressure fluctuations

CF8 = Stainless Steel Material Grade

• CF8 stainless steel offers excellent corrosion resistance
• Suitable for water, oil, gas, and non-corrosive media
• Commonly used in food processing and chemical industries

Key Features

Reliable Sealing Performance

• Valve sealing surface adopts Stellite alloy overlay welding
• Hardness reaches HRC ≥ 60 for excellent wear resistance
• Helps reduce leakage risks caused by particle-containing media

Precision Forged Valve Body

• Integral forging structure improves pressure resistance
• Precision polishing reduces casting defects
• Ensures stable operation under high-pressure conditions

Standard ANSI Flange Connection

• Complies with ANSI B16.5 flange standards
• Compatible with most industrial pipeline systems
• Easy installation without additional flange customization

Applications

The Stainless Steel Check Valve is widely used in:

• Petrochemical pipeline systems
• Pharmaceutical processing equipment
• Industrial water treatment projects
• Municipal water supply systems
• Oil and gas transportation pipelines
• Industrial fluid control systems

Why Choose Our Stainless Steel Check Valve

• Stable anti-backflow performance
• Corrosion-resistant stainless steel materials
• High sealing reliability for industrial applications
• Support for customized sizes and standards
• Suitable for medium and high-temperature working conditions

Our Stainless Steel Check Valve solutions are manufactured under strict quality control standards to ensure long service life, stable performance, and safe operation in industrial pipeline systems.

Packaging