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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.
Terugslagventielen, met conische in-/uitgang
Supplier: BURKLE
Terugslagventielen met richtingpijl in reliëf of zwart gedrukt. Met conische spuitmondjes. Diverse toepassingen. PP, transparant.
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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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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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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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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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Back Check Valves
Supplier: BD Medical
DEHP or natural rubber latex are not part of the material formulation.
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Valves and loops
Supplier: Agilent
Replacement valve WE series, 6-port, 400 psi, 225 °C
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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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Mass flow controllers and restrictors
Supplier: Agilent
New style restrictor, 0 - 400 ml/min, black/purple colour
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Manual injection valve with position sensing switches
Supplier: Agilent
The stainless steel 7725i and PEEK 9725i manual injection valves are suitable for large sample volumes, high flow rates and preparative columns sized 10 to 100 mm in diameter.
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Back pressure regulator
Supplier: Agilent
Back pressure regulator, 1 - 15 psi
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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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Spare needle valve
Supplier: witeg Labortechnik
Spare needle valve, PTFE, red for high vacuum stopcocks WITAFLO, 3 mm hole
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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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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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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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Overdruk- en terugslagventiel
Supplier: QVF LABORTECHNIK
Air valve anti-return, cone size 14/23 NS, with sidearm, Borosilicaatglas 3.3
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Metering gas valves, Parker Balston®
Supplier: Restek
These metering gas valves reduce pressure between sample cylinder and GC injector.
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Medium pressure 4-port switching valves, Upchurch Scientific®
Supplier: UPCHURCH SCIENTIFIC
Upchurch Scientific®, V-101L-60 right angle flow-switching valve, bulkhead version, 1/16" OD tubing, 1,0 mm thru-hole, 6,2 µl swept volume
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Pressure relief valves, Upchurch Scientific®
Supplier: UPCHURCH SCIENTIFIC
Pressure relief valves are ideal for preventing system over-pressurisation. These products protect system components by diverting fluid flow automatically when inline pressure exceeds the set limit.
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Ultra-low volume back pressure regulators (BPR), Upchurch Scientific®
Supplier: UPCHURCH SCIENTIFIC
These ultra-low volume back pressure regulators (BPRs) are developed to minimise swept volume, which is especially important for multi-detector applications.
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Micro-metering valves, Upchurch Scientific®
Supplier: UPCHURCH SCIENTIFIC
For fine control of fluid flow rates, these valves can reduce outgoing flow. These needle valves are perfect for use with peristaltic pump fluid transfer applications, mass spectrometry and fraction collection. They can also be used to regulate gas flow in helium sparging lines and as a flow-dependent variable back pressure regulator.
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Shut-off valves, Upchurch Scientific®
Supplier: UPCHURCH SCIENTIFIC
Stop a flow stream quickly with these shut-off valves. The bodies are manufactured from either PEEK or ETFE. Both versions feature a PCTFE rotor, making them highly resistant to chemicals. The blue colorant used in some valve configurations has proven not to leach out with common HPLC solvents.
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Drukregelaar
Supplier: VICI JOUR RESEARCH
Deze regelaar wordt geïnstalleerd op de afvoerleiding van de detector en voorkomt de vorming van lucht in de doorstroomcel tijdens het gassen. De regelaar beschikt over een instelbare tegendruk van 0-20,5 bar (300psi) zonder loskoppeling van het systeem. Andere maten zijn verkrijgbaar.
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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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Valves and loops, Sulfinert® treated
Supplier: Restek
Sulfinert® treated gas sample loops are ideal for samples containing low concentrations of sulphur and other active compounds.
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Terugslagklep
Supplier: Lenz Laborglas GmbH & CO.KG
DURAN®, borosilicate glass, clear. Prevent pressure loss or backflow. Simple design, cannot be dismantled.
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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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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.