Luftreguleringsventiler
Luftreguleringsventiler er grundlæggende komponenter i ethvert pneumatisk system. Det er afgørende at vælge de rette ventiler til at styre systemets tryk, flowretning og flowhastighed, når man designer pneumatiske kredsløb. Hvis ventilen er for stor til anvendelsen, spildes både luft og penge. Hvis den er for lille, fungerer aktuatoren ikke korrekt. Flere modeltyper er tilgængelige, herunder multirond og kvartdrevne ventiler. Ventiler tilbyder flowkontrol eller fuldstændig aflukning.
VWR® Air Valve
Supplier: VWR Collection
Valve housing with connection made of black PP (thread UNF 1/4" 28G) suitable for VWR safety caps.
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Control valves with GL thread, BOLA
Supplier: Bohlender
Two-way valve with straight bore and two connections with GL thread completely made of PTFE.
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b.safe Air Valve PFAS Analytic
Supplier: Bohlender
b.safe Air Valve PFAS Analytic, free from polyhaloolefins, suitable for PFAS analysis without restrictions.
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Air valves for safetycaps generation 2.0
Supplier: S.C.A.T.
These air valves can be used for analytical and preperative applications.
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Air Valve, GreenLine, PFAS Analytic
Supplier: S.C.A.T.
The air valve blocks harmful vapours and ensures safe pressure equalisation in the storage tanks of your HPLC.
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b.safe Air Valve UHPLC
Supplier: Bohlender
Valve body made of PP with connection (thread UNF ¹/₄" 28G) suitable for b.safe Caps.
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Air valves, b.safe
Supplier: Bohlender
Valve body made of PP with connection (thread UNF ¼" 28G) suitable for b.safe caps. Lid with aeration opening and Luerlock connector, integrated non-return valve with upstream porous PTFE membrane (1 μm), including clip-on service life indicator.
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Control valves, BOLA
Supplier: Bohlender
Body made of PTFE with 2 connections and nuts made of glass-fibre reinforced PTFE for connecting tubing or tube.
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Air Valve, GreenLine, PFAS Analytic
Supplier: S.C.A.T.
The SCAT air valve blocks harmful vapours and ensures safe pressure equalisation in the storage tanks of your HPLC. Solvent mixtures remain stable: thanks to closed system without evaporation. The filter membrane keeps solvent and HPLC clean.
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Air Valve, GreenLine, PFAS Analytic
Supplier: S.C.A.T.
The SCAT air valve blocks harmful vapours and ensures safe pressure equalisation in the storage tanks of your HPLC. Solvent mixtures remain stable: thanks to closed system without evaporation. The filter membrane keeps solvent and HPLC clean. With Luer-Lock connection for gassing the solvents and change indicator for timely change. Made of PP for PFAS analysis of polyfluorinated chemicals (formerly: PFC) according to DIN 38407-42 or DIN 38414-14.
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Air admittance valve
Supplier: VACUUBRAND
These valves are compact air admittance valves with small flange. The VB valve is manually operated. On rotating the knurled screw cap the valve disc is lifted off the seating and air enters through the holes. The valve disc is rotatable. Therefore the valve seat seal is prevented against wear during opening and closing.
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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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Toggle gas valves, Parker Balston®
Supplier: Restek
These shut-off toggle gas valves are ideal for applications in which instant on/off gas control is necessary.
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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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Catalog #: 20864.320
: VWR Chemicals
Catalog #: 83640.320
: VWR Chemicals
Catalog #: 31770.294
: VWR Chemicals
Catalog #: 1.00030.2500
: Merck
Catalog #: 83645.320
: VWR Chemicals