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You Searched for: "non-return-valves"

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Our non-return valves protect tubing and vacuum systems from backflow when pressure falls in the system. Sealing system eliminates backflow, helping to prevent upstream contamination or damage. These valves are compatible with a wide range of systems, all with different specific levels when dealing with the three main pressure values: cracking pressure, maximum pressure, and back pressure created. Durable steel or plastics are used in all designs, creating a quality product that will remain independent for years with no need for replacement.

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Catalog Number: (46600-040)
Supplier:  VWR International
Description:   This polypropylene non-return valve protects tubing and vacuum systems from back flow when pressure falls in the system.
Supplier:  DWK Life Sciences (KIMBLE®)
Description:   One-Way valves are designed for use in making connections between the tubing and the end fittings of CHROMAFLEX® columns.
Supplier:  Restek
Description:   Outlet Check Valve, for HPLC Systems, Model Number: LC-20AD/AB XR^
Supplier:  Restek
Description:   Outlet Ball Valve for HPLC systems, Model Number: 1050, 1100, 1200^
Supplier:  Restek
Description:   Inlet Check Valve, for HPLC Systems, Model Number: LC-600, LC-9A, LC-10AD^
Supplier:  Restek
Description:   Our valves have low internal volumes and are rated to 15,000 psi (103,421 kPa).
Supplier:  Restek
Description:   Outlet Check Valve Assembly (Actuator Style) for HPLC System, Model Number: M6KA, 510, 590^
Supplier:  Optimize
Description:   Preassembled check valve cartridges conveniently insert into a reusable housing and function in either the inlet or outlet position. The two-piece Fre...
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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
You must log in to order restricted items. We request that you provide the required business documentation to purchase this product for the first time.

To order chemicals, medical devices, or other restricted products please provide identification that includes your business name and shipping address via email CMD_NA@vwr.com or fax 484.881.5997 referencing your VWR account number . Acceptable forms of identification are:

  • issued document with your organization's Federal Tax ID Number
  • Government issued document with your organization's Resale Tax ID Number
  • Any other Government ID that includes the business name and address


VWR will not lift restrictions for residential shipping addresses.

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This product has been blocked by your organization. Please contact your purchasing department for more information.
The original product is no longer available. The replacement shown is available.
This product is currently unavailable but limited stock may be available in our extended warehouse network. Please call 1-800-932-5000 and a VWR Customer Service Representative will help you.
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