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A variety of valves that can, depending on the product, be used to regulate pressure levels of liquid and gas in flow systems. These valves can be used for making connections between different lengths of tubing and connection points. Liquid and vacuum seals. A plethora of scenarios exist in which these valves can be used, each with a unique purpose and design for maximum safety and efficiency when in use, especially when pressure is of great concern.

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Supplier:  VWR
Description:   Barbed check valves prevent damage to equipment, pumps, and flow systems by preventing backflow.
Catalog Number: (46600-040)
Supplier:  VWR
Description:   This polypropylene non-return valve protects tubing and vacuum systems from back flow when pressure falls in the system.
Supplier:  New Pig
Description:   Poly Ball Valve lets you open or close funnel in seconds with one hand.
Supplier:  Bel-Art Products
Description:   Polypropylene plastic valve with neoprene valve disk stops the reverse flow of liquid when pressure is interrupted.
Supplier:  Bel-Art Products
Description:   Ensure one-way directional flow in vacuum lines.
Supplier:  Thermo Scientific
Description:   For use in vacuum lines and to prevent back pressure in filter flasks. Not for use with liquids. Tubing connections are 3/4" long and fit 1...
Supplier:  DWK Life Sciences (KIMBLE®)
Description:   For vacuum applications up to 5x10-7torr. Designed with a precision external thread for fine control. Valve can be used as a bleed up to 1/...
Supplier:  Kimble Chase
Description:   Valves feature a three-way configuration. O-rings are made of Viton® rubber.
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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.
This product is marked as restricted and can only be purchased by approved Shipping Accounts. If you need further assistance, email VWR Regulatory Department at Regulatory_Affairs@vwr.com
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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 no longer available. Alternatives may be available by searching with the VWR Catalog Number listed above. If you need further assistance, please call VWR Customer Service at 1-800-932-5000.
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