| Quantity: | |
|---|---|
Specifications: | |
Connection End: | Male thread |
Size: | 1/2" ~ 4", DN15 ~ DN100, or custom on request |
Flow Direction: | One way, non-return |
Material: | SUS304, or SUS316L |
Gasket: | Free choice among EPDM, PTF E, FPM or NBR |
Starting Pressure: | 0.02 - 0.05 Mpa |
Nominal Pressure: | PN1.0MPa (10bar) |
Working Temperature: | -10°C to +150°C (biterwa n'ibikoresho bifunga) |
Connection Standard: | 3A, DIN, ISO, SMS, RJT, IDF |
Sanitary Stainless Steel Threaded Check Valve
Product Description
The Sanitary Stainless Steel Threaded Check Valve is a critical fluid control component specifically designed for industries with extremely stringent hygiene requirements—such as food processing, pharmaceuticals, dairy, beverages, and bioengineering. Manufactured from high-quality stainless steel materials (e.g., 304 and 316L), this valve features surfaces treated via precision CNC machining to achieve a surface roughness (Ra value) of less than 0.8μm, thereby fully complying with GMP and FDA sanitary standards.
Key Features
1. Material Advantages: Constructed from food-grade stainless steel, offering excellent corrosion resistance and high-temperature durability, capable of withstanding the rigorous conditions of CIP/SIP cleaning processes.
2. Hygienic Design: The internal flow channels feature a dead-space-free design, effectively preventing media residue accumulation and bacterial growth; all contact surfaces are smooth and polished, facilitating thorough cleaning and sterilization.
3. Threaded Connections: Utilizes standard threaded connection methods (such as BSP, NPT, or clamp connections), allowing for convenient installation and disassembly, thereby simplifying routine maintenance and servicing.
4. Reliable Backflow Prevention: Features a built-in spring-loaded or swing-type check mechanism that offers sensitive response and reliable sealing, effectively preventing media backflow.
5. Pressure Range: Typically suitable for an operating pressure range of 0–1.0 MPa, meeting the requirements of most sanitary fluid transfer systems.
Typical Application Scenarios
1. Food and Beverage Industry
In food and beverage production lines, sanitary threaded check valves are widely utilized in the following areas: Dairy Processing: Used in the media transport pipelines of equipment such as pasteurizers, yogurt fermentation tanks, and aseptic filling systems to prevent material backflow and the resulting cross-contamination.
Beer Brewing: Installed in fermentation tanks, yeast propagation systems, CIP cleaning loops, and similar locations to ensure the hygienic safety and process stability of the brewing operation.
Beverage Production: Plays a crucial role in the filtration, sterilization, and filling stages of production lines for fruit juices, tea beverages, bottled water, and similar products. Sauces and Condiments: Employed in the transport systems for condiments such as soy sauce, vinegar, and various sauces to prevent product contamination and minimize waste.
2. Pharmaceutical Industry
The pharmaceutical industry imposes extremely stringent requirements regarding sanitary conditions; consequently, stainless steel sanitary check valves are indispensable components within pharmaceutical water systems (WFI, PUW) and process fluid pipelines.
Purified Water Systems: Installed at the outlets of water purification equipment to prevent reverse osmosis membranes or ion exchange columns from being damaged by water hammer effects, thereby extending the service life of the equipment.
Water for Injection (WFI) Systems: Used in cooling water circuits following high-temperature sterilization to ensure that the aseptic state remains uncompromised.
Pharmaceutical Solution Preparation: Deployed in the transport pipelines connecting preparation tanks to filling machines to prevent backflow contamination of pharmaceutical solutions during production downtime.
Bioreactors: Used for the transport control of culture media and products in biopharmaceutical processes such as cell culture and vaccine production.
3. Daily Chemicals and Personal Care Industry
Cosmetics Production: Used in the raw material transport and formulation mixing systems for products such as skincare items, detergents, and perfumes.
Personal Care Products: Widely applied in the formulation and filling stages of products such as shampoos, body washes, and similar items.
4. Dairy and Baking Industry
Cream and Cheese Processing: Controls the flow direction of materials during pasteurization and ripening processes.
Baking Ingredient Transport: Used in transport systems for heat-sensitive ingredients such as syrups, fats/oils, and chocolate.
5. Other Sanitary Applications
Water Treatment Equipment: Serves as a critical control component in production equipment for purified water and mineral water. Laboratory Equipment: Used in experimental fluid piping systems to ensure the accuracy of experimental results.
Medical Equipment: Applied on a limited scale in medical devices such as hemodialysis machines and infusion systems.
Selection Guidelines
When selecting sanitary-grade stainless steel threaded check valves, the following factors should be prioritized: Parameters & Specifications—Material: Select 304 or 316L stainless steel based on the characteristics of the medium. Size: Select the appropriate nominal diameter based on the piping dimensions and flow rate requirements. Connection Type: Threaded, clamp, or flanged connections. Sealing Material: Select EPDM, PTFE, or similar materials based on the temperature and chemical properties of the medium. Pressure Rating: Ensure the valve meets the system's operating pressure requirements. Certification Requirements: Verify whether sanitary certifications—such as 3A, EHEDG, or FDA—are required.
