MACHEREY-NAGEL, Caps
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Ready assembled screw closures/caps, N 8
MACHEREY-NAGELReady assembled open or closed top black screw closures 8-425 and plain caps with no liner Closures available with a broad variety of septa materials Septa material used for the production of the N 8 screw closures has – aside from physical inspection – also been tested…
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Ready assembled crimp closures/caps, N 8
MACHEREY-NAGELReady assembled crimp closures N 8 Available with a broad variety of septa materials, most of them - aside from physical inspection - being tested analytically as well prior to assembly. Three-layer septum natural rubber / butyl / TEF or two-layer septum Red Rubber / FEP for routine analyses;…
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Center hole caps, N 20
MACHEREY-NAGELReady assembled crimp closures N 20 and plain crimp caps with no liner Closures available with a broad veriety of septa materials and different cap types / materials, incl. magnetic and bi-metal crimp caps For all autosamplers transporting vials by a magnet, incl. the CTC PAL autosampler,…
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Ready assembled crimp closures and plain crimp caps, N 11
MACHEREY-NAGELReady assembled crimp closures N 11 and plain caps with no liner Closures available with a broad variety of septa materials and most of them also with different cap colors All high end (PTFE/)Silicone/PTFE, cross- or unslit septa material has been physically and analytically been tested prior…
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Ready assembled screw closures/caps, N 24
MACHEREY-NAGELOpen and closed top closures and caps with thread 24-414 Due to their size mainly used as bonded closures for a firm fit of the septum Recommended for environmental analysis: screw closure with center hole and silicone / PTFE septum (702058) Closed top closures for sample storage …
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Ready assembled crimp closures/caps, N 13
MACHEREY-NAGELReady assembled crimp closures N 13 and plain caps with no liner Center tear off cap for tamper-evident sealing of a sample vial Molded Butyl/PTFE septa with only centrically laminated PTFE for excellent sealing on the glass rims To be crimped with MACHEREY-NAGEL manual / electronic…
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Screw closures/caps, N 10
MACHEREY-NAGELBonded and ready assembled open top black screw closures 10-425 and plain caps with no liner Closures available with a broad variety of septa materials Red Rubber / FEP septum for routine analyses; for more demanding analyses: high purity silicone / PTFE septa Slit silicone/PTFE septa as a…
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Ready assembled screw closures, N 9
MACHEREY-NAGELBroad variety of closures and caps in different colors Closed top closures with different septa materials for sample storage 9 mm screw cap suitable for almost all autosamplers due to its design in form of a crimp cap Thread design not standardized; avoid mixture of vials and caps from…
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Ready assembled snap ring closures, N 11
MACHEREY-NAGELBroad variety of closures in different colors Hard PE caps for better sealing; soft, light blue PE caps for more convenient handling (easy push on and removal of caps) Septa material used for the production of the snap ring closures has – aside from physical inspection – also been…
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Pressure release caps, N 20
MACHEREY-NAGELReady assembled crimp closures N 20 and plain crimp caps with no liner Closures available with a broad veriety of septa materials and different cap types / materials, incl. magnetic and bi-metal crimp caps For all autosamplers transporting vials by a magnet, incl. the CTC PAL autosampler,…
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Ready assembled screw closures/caps, N 13
MACHEREY-NAGELReady assembled open and closed top black screw closures 13-425 and plain caps with no liner Closures available with a broad variety of septa materials For single septa, especially PTFE virginal septum, please see appropriate section Red Rubber / FEP septum for routine analyses; for more…
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Bonded screw closures, N 9
MACHEREY-NAGELSepta firmly connected with cap; cannot be removed. Broad variety of closures and caps in different colors Closed top closures with different septa materials for sample storage 9 mm screw cap suitable for almost all autosamplers due to its design in form of a crimp cap Thread design…
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Ready assembled magnetic screw closures, N 18
MACHEREY-NAGELMore convenient, consistent, and safer sealing process compared to crimping (better reproducibility) No risk of inaccurate or inconsistent crimping results 1.5 mm thick septa are easier to penetrate than crimp closures N 20 with 3 mm thick septa generating less particles during sample pick up…
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Tear off caps, N 20
MACHEREY-NAGELReady assembled crimp closures N 20 and plain crimp caps with no liner Closures available with a broad veriety of septa materials and different cap types / materials, incl. magnetic and bi-metal crimp caps For all autosamplers transporting vials by a magnet, incl. the CTC PAL autosampler,…
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PE Caps, N 20
MACHEREY-NAGELLined PE push-on cap N 20 as interim closures for taking samples out in the field or for sealing washer bottles of autosamplers Various single septa N 19 incl. Silicone / PTFE are available Different cap heights for flat crimp necks N 20 (9.1 mm) and for beveled top crimp necks N 20 (8.4 mm) …