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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.

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: DWK Life Sciences (KIMBLE)
Description: This valve uses a glass plug (as an alternative to PTFE or CTFE) for applications where the 'out-gassing' plug material is undesirable.

Catalog Number: (89097-278)
Supplier: Ace Glass
Description: Similar to the Variable Bore Tubing Connector (89077-438), except this Two-Way Tubing Connector Valve features a single Tefzel control valve rated at 500psi

Small Business Enterprise Product available on GSA Advantage®


Supplier: Ace Glass
Description: Polypropylene connectors, two-way or three-way, with PTFE valve and serrated tubulations

Small Business Enterprise Product available on GSA Advantage®

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: Used as a one-time opening valve

Small Business Enterprise Product available on GSA Advantage®

Supplier: DWK Life Sciences (KIMBLE)
Description: Valves with straight low hold up extended tip.

Supplier: DWK Life Sciences (KIMBLE)
Description: These straight high-vacuum valves are used for vacuum applications up to 5×10<sup>-7</sup> Torr.

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

Catalog Number: (10498-050)
Supplier: GE Healthcare - Life Sciences
Description: Manual injection valve is a 6-port rotary valve that is manually operated to transfer the preloaded sample onto the column.

Product available on GSA Advantage®


Supplier: Ace Glass
Description: Rotary Evaporator Valves, Ace Glass Incorporated

Small Business Enterprise Product available on GSA Advantage®

Catalog Number: (89054-802)
Supplier: Ace Glass
Description: This flask is supplied with a 1" beaded pipe-type flange extension off bottom for connection to a 0–20 mm threaded PTFE stopcock as the outlet

Small Business Enterprise Product available on GSA Advantage®


Catalog Number: (KT216100-0000)
Supplier: DWK Life Sciences (KIMBLE)
Description: Designed for applications that require evacuated apparatus to be filled with an inert gas to one atmosphere


Supplier: DWK Life Sciences (KIMBLE)
Description: This high-vacuum valve is for use in vacuum applications up to 5×10<sup>-7</sup> Torr.

Supplier: DWK Life Sciences (KIMBLE)
Description: Sidearms are bent to minimize holdup that normally occurs in conventional valves

Supplier: DWK Life Sciences (KIMBLE)
Description: For vacuum applications up to 5x10-7torr

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


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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.
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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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