Product Description
Product Name |
Stainless Steel 304 316L Sanitary Check Valve |
Materials |
SS304 or SS316L |
Connection Way |
Weld, Clamp, Thread, Union |
Standards |
3A DIN SMS DS ISO RJT |
Size |
1" - 4" or DN10 - DN100 |
Pressure of work |
0~10bar |
Working temperature |
VMQ:(-50~+180ºC) EPDM:(-20~+135ºC) FPM: (-30~+230ºC) |
Sterilization temperature |
150ºC(MAX 20min) |
Inside surface treatment |
Ra≥0.4-0.8μm |
Surface treatment |
Ra≥0.8-1.6μm |
Rotating Speed |
2900RPM |
Seal Material |
EPDM, VQM, FPM |
Packing: |
Usually bubble pack for each valve within carton box or plywood case, or special packaging upon customer requirements. |
CONCEPT
Sanitary check valve, also known as "non-return valve", is designed for use in process piping installations to prevent reverse flow. VCN series is a spring check valve with different connection ends.
WORKING PRINCIPLE
A check valve opens when the pressure below the valve plug exceeds the pressure above the valve plug and the spring force. The valve close when pressure equalization has been achieved.
Material
Wetted Parts: SS304 or SS316L
Seal: EPDM,VMQ.FPM
Detailed Photos


Related Products
Company Profile
Wenzhou QiMing Stainless Co., Ltd. was founded in 2015, located in Wenzhou city providing a wide range of stainless steel valves and fittings for food, dairy, beverage,cosmetic, wine industries, semiconductor, LCD,solar energy, lithium technology, photovoltaic and other high-tech industries.
QiMing mainly manufacture and export SS valves and fittings including Butterfly Valve, Ball Valve, Check Valve, Angle Valve, Vacuum Valves, Tri Clamp Fittings, Weld Fittings,KF/NW flanges, ISO Flanges and CF Flanges.
QiMing has Mazak CNC, Milling CNC, handheld spectrometer,helium mass spectrometer leak detection, roughness tester and others. With more than 10 years development, QiMing gets 3A certificate and ISO9001:2008. QiMing's main market is Europen, USA, Korea,Japan and so on.
QiMing's goal: Innovation, Dedication, Service, Win-Win.
QiMing Market
Our products are exported to many countries, including South Korea, the United States, the United Kingdom, ltaly, France, the Netherlands, Finland, Russia, Belarus, Thailand, CanadaMexico, Australia, Germany, Spain, Malaysia, Singapore, Vietnam, Indonesia, India, thePhilippines, Japan, Paraguay, Brazil, Chile, Peru, and more.
QiMing Team
Our experienced engineers work closely with each customer to find out the best possible solutions.Our constant technical innovation combined with stringent quality control systems hasenabled us to deliver high performance and outstanding value in sanitary applications.We are dedicated to improving the performance and value of our products, services, and
solutions to meet your requirements
Equipment & Testing
QiMing has advanced CNC machieries,CNC centers and Testing Equipment,ISO9000 Certificated and all raw materials are traceabletheablethe
Exhibition
Certifications
Quality is our corporate cultureQM stainless has been audited and certified as meeting the full requirements of ISO 9001, including design, manufacture, inspection, customer service, and distribution functions.
Packaging & Shipping

Lead Time and After Sales
Quantity(Pieces) |
1-10pcs |
11-50pcs |
>50pcs |
Est. Time(days) |
3 |
7 |
To be negotiated |
Sample |
Buyer bear the air fee, but this fee will be reduced from order directly |
After Sales |
Free replacement if there is any quality problem |
Delivery |
On time |
Materials |
Ensure material pure |
MOQ |
No |
Shipping details
Packing Details : Packing, solid bicycle saddle, 50pcs/carton
Delivery Details : 3-30 days after order of Solid bicycle tire tubes
FAQ
Q: Why would I choose you?Wenzhou QiMing Stainless Co., Ltd has been engaging in manufacturing sanitary valves, fittings, tank components and pumps for over 15 years, outstanding in production capacity, effective management, accurate lead time, on-time shipments and problems-solving rate after sales.
Q: May I have free samples before ordering?Yes, our company is very pleased to send you free samples for quality test as long as freight cost being paid by buyers themselves.
Q: What's the MOQ?The majority of products are fully in stock, so we accept 1 piece as the minimum order quantity.
Q: Does your company have the export license?Yes, we have more than 4 years export experience, we can do FOB, C&F, CIF, DDU and DDP (Russian Only).
Q: What's the payment term?
For small testing orders, we accept Paypal, Western Union, T/T and Credit Card.
For mass orders, we accept T/T and L/C.
Q: How would you minimize damages during delivery?Standard: mass orders will be packed by many carbon boxes and filled in plywood cases.
Available requirement: blister packing for every piece of product, plastic caps for clamp connected products.
Q: How would you choose the shipment way?Basically, we will select shipment ways based on four factors (order quantity, delivery time, costs and customs policy), then list couples of reasonable options with Pros and Cons to customers, letting them to decide.