You searched for: Valves
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.
Non return valves
Supplier: VITLAB
These non return valves are made from HDPE.
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Syringe Valve Assembly Kit, 2 ml, SOCOREX® DOSYS™
Supplier: DWK Life Sciences
Kit includes 1 spring, 2 balls, 2 washers for valve, and barrel washer.
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Back Check Valves
Supplier: BD Medical
DEHP or natural rubber latex are not part of the material formulation.
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Manual, solenoid and motor valves
Supplier: Cytiva
Range of manual and automated valves to meet a variety of performance requirements. They are designed for biocompatibility and years of reliable service, each may be inserted into the flow path without causing unnecessary mixing or sample dilution.
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Non return valves
Supplier: BURKLE
Translucent PP retaining valves with embossed directional arrow or printed in black. With tapered ends. Various uses.
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Non-return valves, SP Bel-Art
Supplier: Bel-Art Products, a Part of SP
PP valve, translucent with neoprene valve disk. Stops reverse flow of liquid when pressure is interrupted.
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Replacement kits for Socorex® syringe
Supplier: Socorex Isba
Replacement kits for the valve assembly are supplied in a dedicated bag with each Socorex® self-refilling syringe.
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Non return valve, PP
Supplier: BURKLE
Valve made of PP and POM, seal made of EPDM, springs made of stainless steel 1.4401.
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Sampling valves
Supplier: Merck
The sampling valves are used for sterile sampling of water or other final products in the pharmaceutical industry.
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Air valve anti-return
Supplier: QVF LABORTECHNIK
Air valve anti-return, cone size 14/23 NS, with sidearm, Borosilicate glass 3.3
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Rotary valves with cap connection
Supplier: OMNIFIT
Valves are constructed from PTFE with a PCTFE rotor and have a 1,5 mm bore size. They accept tubing sizes between 0,5 and 4 mm Ext.Ø. and are pressure rated to 50 psi.
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Needle valve for burettes, lateral, with plug
Supplier: witeg Labortechnik
Needle valve for burettes, lateral with PTFE plug, 0 - 2,5 mm bore
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Valves for solvent extractors for ASE® 100/200/300 systems
Supplier: Restek
Valves for ASE® 100/200/300 systems.
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Ball Valve for Storage Bottles
Supplier: SEMADENI
½” universal valve made from PP, resistant to acids, alkalis and solvents.
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Valves for HPLC
Supplier: Restek
These valves have low internal volumes and are rated to 15000 psi. They feature a two-piece stem assembly in which the rotating upper shank is coupled through a ball joint to a static lower stem.
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Micro valves for LC and GC
Supplier: VICI JOUR RESEARCH
These micro valves for LC and GC has a unique design of the fitting detail which allows a leak-free seal with no potential for rotor damage from overtightening.
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Spare needle valve
Supplier: witeg Labortechnik
Spare needle valve, PTFE, red for high vacuum stopcocks WITAFLO, 3 mm hole
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Check valves for Shimadzu HPLC systems
Supplier: Restek
Replacement parts for Shimadzu HPLC systems.
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Swagelok® shut-Off gas valves
Supplier: Restek
These gas valves are ideal for installing new equipment, modifying existing instrumentation, or replacing worn connections.
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Non return valves
Supplier: SEMADENI
These non return valves are made from PP.
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Valves and rupture disk tees for sample cylinders
Supplier: Restek
These valves and tees are made from stainless steel or are Sulfinert®-treated.
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Pressure relief valves
Supplier: VARIAN
Valves made from stainless steel are two-position with six-port. It is manually operated with three-way switching.
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Rotary valves, high pressure
Supplier: OMNIFIT
The high pressure manual rotary valves are made from PTFE with a PCTFE rotor with a bore size of 0,8 mm making them ideal for pressure applications up to 500 psi. They are available in four and five port versions. All ports are 1/4"-28 UNF flat-bottom and will accept any 1/4"-28 UNF male fitting. These valves are mountable using the pre-drilled M3 mounting holes.
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Non-return valve
Supplier: Lenz Laborglas GmbH & CO.KG
DURAN®, borosilicate glass, clear. Prevent pressure loss or backflow. Simple design, cannot be dismantled.
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Medium pressure injection valves, Upchurch Scientific®
Supplier: UPCHURCH SCIENTIFIC
The 6-port medium pressure injection valves feature easy, external sample loop customisation. Simply clean-cut a piece of tubing that represents the volume of sample you wish to inject, taking into account the port-to-port volume of the valve.
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Micro-splitter valves, Upchurch Scientific®
Supplier: UPCHURCH SCIENTIFIC
Designed to accurately split and control the low flow stream of a single incoming supply.
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Ball valves
Supplier: SEMADENI
Three way ball valve with PP body and PTFE tips with total length of 65 mm.
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Inline check valves, standard 1/4-28, Upchurch Scientific®
Supplier: UPCHURCH SCIENTIFIC
These standard inline check valves are made from gold plated stainless steel.
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Inline check valves, quick-stop luer, Upchurch Scientific®
Supplier: UPCHURCH SCIENTIFIC
The Quick-Stop Luer check valve assembly is specifically designed to provide inline Luer connect/disconnect convenience while avoiding spills. It is made from biocompatible PEEK with gold-plated stainless steel spring.
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Inline cartridge check valves, Upchurch Scientific®
Supplier: UPCHURCH SCIENTIFIC
Inline cartridge check valves are designed to limit flow in one direction and deliver a low cracking pressure. Ideal placement for these valves would be on the effluent side of the column to prevent post-column derivatisation agents from flowing back and poisoning the column if the HPLC mobile phase pump were to shut down.