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Stopcock Parts and Components

Stopcock parts and components give stopcocks a wider range of uses. Stopcock plug assemblies are also produced to replace parts in existing lab equipment. Plastic replacement stopcock parts and components, when paired with a stopcock, are often used in conjunction with separatory funnels, Schlenk flasks and burettes.
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1 – 15 of 2,037 results
1

Fisherbrand™ 35mm Silicone O-Ring
SDP

Ideal for high temperature applications in static conditions

2

Synthware™ EP™ O-Rings
GREENER_CHOICE SDP

Long lasting O-rings for solvent and chemical compatibility.

Product Type O-Ring
Material Ethylene Propylene
3

Synthware™ Glass Flushing Adapter
GREENER_CHOICE SDP

Flushing adapters enable vessels to be purged with an inert gas.

Connectors Hose
Includes Glass T-Bore Stopcock
Plug Bore 2 mm
Type Adapter
Temperature (English) 200°F
For Use With (Equipment) Storage/Reaction Vessels or Flasks
Temperature (Metric) 93°C
Material Borosilicate Glass (3.3)
Certifications/Compliance Class A
For Use With (Application) Flushing/Filling Attached Vessels with an Inert Gas
Autoclavable Autoclavable
4

Corning™ PYREX™ PTFE Product Standard Straight Bore Stopcock Plug Assembly
GREENER_CHOICE

Replacement PTFE stopcock plug assemblies for straight bore PTFE stopcocks

For Use With (Equipment) No. 7282 Pyrex straight bore PTFE stopcocks
No. per Case 1/Cs.
Material PTFE
No. per Pack 1/Pk.
5

DWK Life Sciences Replacement Seal
SDP

The sealing ring serves as an intermediate piece between the plastic olive and the glass thread and enables a leak-proof connection of the components (leakage protection).

6

Heidolph™ G5 Glassware Replacement Part - O-ring Seal
SDP

Accessory for G5 Dry Ice Glassware Set

8

Synthware™ Replacement Plug Retention Kit
GREENER_CHOICE SDP

For use with stopcocks

Type Replacement Stainless Steel Retention Kit
For Use With (Equipment) Glass Stopcock
Material Stainless Steel
For Use With (Application) Organic Synthesis
9

Welch™ Centering Ring Rubber O-ring

For use with stainless steel centering ring

10

Diba Omnifit™ O-rings

For small and large variable bore cap-style connectors and valves

Product Type O-Ring
Material FKM
Max. Pressure 50 psi
11

BUCHI Rotavapor O-Rings FPM
SDP

O-ring FPM, for cap nut GL10, Ø3.00/2.70mm

12

Cytiva O-Ring

For use with HiTrap™ Columns

13

Cytiva O Rings for EPDM Glass Tubes

Different sized O Rings for EPDM Glass Tubes

15

Synthware™ High Vacuum Valves with Internal Threads
GREENER_CHOICE SDP

Internally threaded high vacuum valves for use with the Synthware F58 series.

Includes Contriol Knob, and a PTFE Shaft with Integrated O-Rings
Type Valve
Temperature (English) 200°F
For Use With (Equipment) High Vacuum Valves
Temperature (Metric) 93°C
Material PTFE
For Use With (Application) Creating a Vacuum Tight Seal
Autoclavable Autoclavable
Pressure 15 to 25 psi