Stainless Steel Sanitary Welded Check Valve (JN-NRV1001)

Stainless Steel Sanitary Welded Check Valve (JN-NRV1001)

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.

Features:
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:3/4"-6", DN20-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
 
 
Quality guarantee of 3 years 
ISO 9001, FDA, SGS approved materials
7-10 days fast delivery on urgent requirements
10 years' Rich exporting experience to make you easy and happy with custom work

We also supply sanitary butterfly valve, sanitary flow diversion valve, sanitary CPM valve, sanitary regulating control valve, sanitary diaphragm valve, sanitary ball valve, sanitary sampling valve, sanitary safety valve, sanitary pressure reducing valve
sanitary elbow, sanitary tee, sanitary reducers, sanitary unions, sanitary clamp, sanitary ferrule, sanitary pipe clamps,sanitary cleaning ball, sanitary sight glass, sanitary manway manhole cover, sanitary strainer, filters, and other sanitary pipe fittings....
Welcome to check our other products. 
 





FAQ:
1.   Are you a trading company or factory?    We are a manufacturing factory.
2.   Do you have FDA certificate for the materials?   Yes, FDA is very important for the food processing machines.
3.   How do you control the quality? 
     Quality control is very important to avoid material mixing and poor quality. We control the quality from beginning to the end. We only have 304 and 316L two different materials. 100% inspection on raw materials. During production, different materials in different places. After materials are finished, we choose 10% for inspection. If there is 0.1% problem in 10%, then no excuse to go ahead for inspecting 100% of the materials.
4.   About chemical components
      This is first concerning for customers. We take our materials to our laboratory for each lot. You may ask for the laboratory report any time. 
5.  If there is any quality problem, how do you solve it? 
We are very proud that we never let one customer leave us. We are not 100% perfect, there is some quality problem. We try our best to provide the correct materials in the beginning, so we need less time for quality problem. 
If there is any quality problem, we take the responsibility. We believe what we are doing together,  it will get back tomorrow.  If we leave our responsibility, customers will leave us. If we always take our responsibility, we keep our customers with us. 
 
6.   How long is your delivery time?   For normal products in 7-10 days; for bulk order, in 15-25 days. It depends.
7.   Warranty 
     3 years warranty for all of our stainless steel products. Gaskets are not included due to the different application for customers. 
8.    More questions are appreciated. 

 
 

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Shandong Langhui Petrochemicals CO.,LTD , https://www.langhuiplasticizer.com