Closures
Whether protecting the sample from outside contamination or the workplace from the bottled toxic waste, closures guarantee tight and reliable seals. With a vast cap selection for best compatibility with any container, tailoring to specific contents is possible. Temperature resistant models allow any procedure to be completed safely. Available in different finishes, any sensitive chromatography sample is protected. The caps are easy to close with one hand and come in many colors to assist with identification.
VWR®, PP Screw Caps, ND18 with Septum for 548-0549
Supplier: VWR Collection
VWR®, Chromatography vial closure, PP, Ø: 18 mm, Type: PP black, closed, without septum, Hardness: -, Septum: -, Thickness: - mm
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VWR®, Screw Caps for Screw Neck Vials ND18
Supplier: VWR Collection
Chromatography vial closure, Screw caps with septa, closed top, Hardness: 50° shore A, Septum: Red butyl/grey PTFE, Thickness: 1,6 mm
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VWR®, Screw Caps for Reagent Bottles with PP 28 Thread
Supplier: VWR Collection
PP screw caps with foam insert, available in black and white.
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VWR®, Spray Caps for Narrow Neck Bottles
Supplier: VWR Collection
Screw caps with spraying tube (swan-neck).
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VWR® Safe-T-Flex, Caps for Test Tubes
Supplier: VWR Collection
Safe-T-Flex caps feature a unique, flexible, over-locking design, locking securely on the outside of the tube lip and can be removed with one hand. A tight seal ensures sample integrity and prevents spillage or evaporation of serum samples. This special seal protects against the aerosols of highly infectious organisms such as TB and the HTLV-III virus. They are colour coded for easy specimen identification and to help guard against cross-contamination. The top of each cap can also be numbered or labelled with indelible ink. Self-locking cap holds firmly in any position and keeps contents secure while in transit. Liquid-tight seal withstands centrifugation, agitation, refrigeration and freezing.
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VWR®, Snap Ring Caps, ND11 PE with Central Hole, 6 mm and Septa
Supplier: VWR Collection
VWR®, Chromatography vial closure, PE, Ø: 11 mm, Type: PE pink, hard version, Hardness: 45° shore A, Septum: PTFE red/silicone white/PTFE red, Thickness: 1,0 mm
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VWR®, Short Screw Caps with Central Hole, 6 mm and Septa, ND9
Supplier: VWR Collection
VWR®, Chromatography vial closure, PP, Ø: 9 mm, Type: PP blue, Hardness: 55° shore A, Septum: Silicone white/PTFE red, Thickness: 1,0 mm
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Stretchable silicone lids for laboratory vessels, DURAN®
Supplier: DWK Life Sciences
These stretchable silicone lids are used to close round and square vessels and are available in three sizes and colours, as well as a set of three.
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Laboratory screw joints with GL thread, BOLA
Supplier: Bohlender
Red screw cap made of glass-fibre reinforced ETFE, inner parts consisting of a v-ring (ETFE), a tapered ring and a sealing ring (both PTFE) as well as an o-ring (FKM) for tubing diameters under 3 mm, (not exposed to the medium). The medium is only exposed to PTFE.
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Multiple distributors for bottles with GL 45 thread, BOLA
Supplier: Bohlender
PPS screw cap, black, distributor body made from PTFE or PFA.
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Distributors for bottles
Supplier: Bohlender
Black screw cap made of PPS and available with or without stopcocks. Distributor body made of PTFE with 2 or 3 ports with female thread UNF 1/4" 28 G on upper and lower sides and stopcock made of FEP for each port.
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Nalgene® Biotainer® Closures for Bottles, InVitro™
Supplier: Thermo Fisher Scientific
Designed to aseptically handle solutions in biopharmaceutical, biotechnology and laboratory liquid transfer applications, these two- and three-ported closures are designed for Thermo Scientific™ Nalgene™ Biotainer™ bottles and carboys. With Animal Derived Component-Free (ADCF) components, including seals that are sonically-welded to the cap, and leak-proof closures, security of high value contents are guaranteed during fluid transfer.
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GLS 80® wide mouth connection transfer cap system, DURAN®
Supplier: DWK Life Sciences
PP and PTFE.
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Supply V2.0 HPLC Starter Kits
Supplier: S.C.A.T.
Starter kits consisting of SCAT SafetyCaps, blind plugs, fittings and air valves for the supply of HPLC systems.
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Multiport connector caps, GL 32, DURAN®
Supplier: DWK Life Sciences
The reusable GL 32 caps allow the smaller 50 ml round or 100 ml DURAN® square bottles to be used be used for sampling, liquid feeding or transfer. Flexible options of 2, 3, or 4 stainless steel tubing connectors.The barbed male tubing connector are suitable for tubing with a 3,2 mm inner diameter such as BPT peristaltic pump tubing.



