Hygienic Sanitary Stainless Steel 316L Butt Weld Non Return Check valve

Sanitary check valves are widely used to prevent the liquid flowing from revering direction.The check valves can ensure the fluid flow in one way direction and inhibit the fluid flow back. The check valve ( non return valve) is normally working automatically, it is closed if no media flow.When the pressure of the fluid is heavier than the pressure of the spring, the check valve open automatically.
The check valves are also called sanitary spring check valve, sanitary disk check valve, non return valve, NRV.


Valve disc is made from casting.
Valve body is made from forging.
Valve body type: clamped or nut type
The check valves can not be used for sticky ,adhesive, viscous products.
Valve body type: clamped or nut type , or ball type
Simple construction, easy to installation and easy to control
Precision machined body, stem, disc, free draining
Disc tapered for smooth body and reduce draining
Absolute seating
Vertical installation preferred
Minimize turbulence and bacteria traps
Compact design, easy maintenance and high torque
Gasket: EPDM, silicone
All gaskets are FDA approved
Max. Pressure: 10BAR
Min. Pressure:0.2BAR
Compact design, easy maintenance and high torque

Connection end: Weld, tri-clamped, male threading,
Inside surface finish: Ra0.4
Size:1/2"-6", DN15-DN150
Grade: AISI304 and AISI316L
FDA approved Gasket: EPDM, silicone , viton
Standard: 3A, SMS, DIN , etc
Connections: butt welded;Tri clamp end; male threaded; female threaded; flange end;union connection;
Application: Food, beverage, dairy, pharmacy, chemical or any food processing industries



Hygienic Sanitary Stainless Steel 316L Butt Weld Non Return Check valve




1. Are you a factory or trading company?

We are a factory specialized in manufacturing valves and fitting over 10 years.

2. Where are the main markets for your products?

We hope to make business with companies from all over the world. And for now, our valves and fittings have been exported to especially in North America, South America, South Asia, Europe and Middle East.

3. Do you have a minimum quantity of the products?

No, we will build business with you with even 1pc. We believe this cooperation will be a long-term relationship for our high quality, competitive price and good after-sale service.

4. Are samples available to be sent with free?

It depends on what product you need. There are hundreds of products we sell. You can contact us for particular answer.

5. Can you print our Logo on the valves?

Yes, we can totally produce products according to your this kind special request, even manufacture it based on your drawing.

6. What is your lead time?

It's around 30 days normally. If we have the products in stock, it will be about 15days

7. How can I check your factory situation while it's difficult for me to come to China?

We have photos and videos on our website and face book, It shows every step of the manufacturing.

8. How can you guarantee the quality of products?

First of all, we have the numerical control device to manufacture products accurately. Then our quality inspectors will test products one by one to make sure every valve or fitting we sell is qualified.

9. How long is the quality guarantee period?

We supply 6 to 12 months for quality guarantee according to customers' using frequency.

10. How do you pack?

1.Plastic bags→2.Paper box→3.Cartons→4.Plywood Case



Hygienic Sanitary Stainless Steel 316L Butt Weld Non Return Check valve





Sanitary Check Valve

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