4" Sanitary 316L Stainless Steel One Way Check Valve

Sanitary Check Valve

• Prevents process backflow
• 316L Stainless Steel Alloy
• 32Ra Finish (Roughness Average)
• Suitable for low and medium viscosity fluids
• Maximum operating temperature: 200°F
• Maximum operating pressure: 145 PSI

With its 4" size and ability to operate in large residential construction projects and light commercial applications, this sanitary check valve is ideal for directing the flow of substances forward without any reverse flow happening. Best suited for setups where brews of over 10 gallons are being prepared or being used in small production lines for sauces and in equipment in laboratories, this pressure relief valve acts as a strong one-way protective device.

Product Overview

The Eagle 4" Sanitary Check Valve belongs to the range of check valves having standard sizes. It is designed to be used in cases where hygiene is of priority over the speed of the flow. The valve is made out of solid 316L stainless steel and has a disc having spring action which can open completely while passing the forward flow and close the valve when the flow is stopped or reversed. The diameter of 4 inches enables the body of the valve to pass up to 75 gallons per minute thereby allowing a 25-gallon batch of beer to be passed in less than 30 seconds. The way the valve is constructed leaves no place for the bacteria to remain on its internal surface.

Technical Specifications

• Size: 4" (Other sizes available: 1/2" to 3")
• Material: 316L Stainless Steel Alloy
• Surface Finish: 32Ra Electropolished (Roughness Average)
• Maximum Operating Temperature: 200°F
• Maximum Operating Pressure: 145 PSI (10 Bar)
• Connection Type: Butt Weld
• Flow Capacity: Up to 75 GPM
• Fluid Compatibility: Low and medium viscosity fluids
• Certification: 3-A Sanitary Standard, FDA Compliant

Key Advantages of Our 4" Sanitary Check Valve

Dimensions

Applications & Industries

Frequently Asked Questions

Why would I need a 4-inch check valve for a home setup?

When you need something larger than a smaller valve can cope with, a 4-inch check valve is the right choice for your batch sizes and flow rates. With a 20 to 25-gal transfer that is typical in large home brewing rig, small-scale food manufacturing, or home distilling processes, a 4-inch pipe allows you to minimize transfer time as well as eliminates the problem of creating bottlenecks due to smaller valve size. This valve is capable of accommodating a 75 GPM flow rate, allowing it to complete the transfer in a matter of seconds.

Is this valve suitable for steam applications?

Certainly. The body and inner parts of the 316L stainless steel are suitable for continuous use up to 200°F, which allows the use of saturated steam under low pressure. In steam distilling and steam cleaning operations, the spring-loaded disc is closed reliably even during thermal cycles. Make sure your steam pressure is below the valve's maximum working pressure of 145 PSI.

How does the 4-inch valve compare to the 3-inch version for flow rate?

The cross section of the four inches check valve is about 1.8 times that of the three inches version, which means it will experience nearly 1.8 times the same flow rate at the constant pressure. In case the three inches line is a bottleneck – the transfers take longer than expected and the pumps operate harder than they should – you should upgrade it to the four inches valve and line.

Does this valve require special tools or skills to install?

The butt-weld ends necessitate the use of orbital welding to achieve a correct sanitary connection. In the event that you do not own welding equipment or do not have experience with welding, you may hire a professional pipefitter, or sanitary welder, who will carry out the installation. The welding must ensure full penetration, as well as provide a smooth internal bead that preserves the sanitary quality of the valve. If the requirement is for a version not involving welding, then Eagle has a Tri-Clamp variant of the same check valve available; please contact our sales team for the product code.

Why Choose Eagle Valves

Request Custom Quote