You Searched For: Valves

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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 International
Description: Barbed check valves prevent damage to equipment, pumps, and flow systems by preventing backflow.

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.
Catalog Number: (76399-160)
Supplier: Avantor
Description: Back pressure regulator

Catalog Number: (65551-000)
Supplier: Thermo Scientific
Description: For use in vacuum lines and to prevent back pressure in filter flasks

Supplier: Bel-Art Products
Description: Simply squeeze the soft silicone body of the valve to permit flow, and release pressure to suspend the flow.

Supplier: Ace Glass
Description: The primary protection to personnel and equipment involved with static and dynamic pressured systems

Product available on GSA Advantage®

Supplier: PerkinElmer
Description: Rheodyne™ 7725 and 7725i valves are versatile injectors and can use both partial-filling and complete-filling methods for loading the sample loop.

Supplier: Bel-Art Products
Description: Polypropylene plastic valve with neoprene valve disk stops the reverse flow of liquid when pressure is interrupted.

Supplier: Ace Glass
Description: Used as a one-time opening valve

Product available on GSA Advantage® Small Business Enterprise

Supplier: Ace Glass
Description: Used with aluminum packing box

Product available on GSA Advantage® Small Business Enterprise

Supplier: Ace Glass
Description: An all-glass check valve with ground seat for liquid seal

Product available on GSA Advantage®

Catalog Number: (89064-030)
Supplier: Ace Glass
Description: Threaded vacuum release valve with fingertip control for opening systems to the atmosphere

Product available on GSA Advantage®

Catalog Number: (89064-042)
Supplier: Ace Glass
Description: All-glass check valve with ground seat and precision ground solid ball

Product available on GSA Advantage® Small Business Enterprise

Catalog Number: (10139-508)
Supplier: PerkinElmer
Description: This 6-Port valve, designed for use with aqueous applications, is specifically designed for the ASXPRESS® PLUS.

Catalog Number: (TCV0030)
Supplier: TCI America
Description: . ,

Catalog Number: (13451-706)
Supplier: DuPont
Description: This test kit is designed for periodic air pressure testing on all Level A fully encapsulated suits.

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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.
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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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