[DWK Life Sciences] Product Overview

STOPCOCKS & VALVES

331

Stopcocks

Micro Straight-Bore Stopcock with Glass Plug This stopcock has a smaller plug size (7/20) useful for assembly of micro apparatus.

Three-Way Double Oblique-Bore with Glass Plug Double-oblique bore three-way stopcock, with a glass plug and barrel ground to interchangeable Standard Taper specifications.

• •

The bore of the stopcock is 1 mm with a 1:10 taper

• •

1:10 taper

Solid glass plug

Standard Taper plug is solid glass

• Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements

• Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements

Stopcock Bore Size (mm)

Stopcock Bore Size (mm)

Part Number

Stem OD (mm)

Case Qty

Part Number

Stem OD (mm)

Case Qty

807000-0144

6

1

1

803000-0002

8

2

1

Replacement Parts

Straight Bore 4 mm Stopcock without Plug Straight-bore, sandblasted stopcock with a 1:5 taper.

Part Number

Description

Case Qty

Size 2 Double Oblique Stopcock Plug, Glass, Plug size 14.5/50 mm Size 4 Double Oblique Stopcock Plug, Glass, Plug size 16.2/56 mm

803001-0002

1

Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements Part Number Case Qty 41004G-4 1

803001-0004

1

PTFE Straight Stopcock Plugs • PTFE stopcock plug has a 1:5 taper •

PTFE is chemically-resistant and self-lubricating 41502T-2 is a high-temperature PTFE plug

T-Bore 90° Stopcock with Glass Plug This T-bore stopcock has a solid glass plug and a barrel ground to interchangeable Standard Taper specifications.

Stopcock Bore Size (mm)

Part Number

O-Ring Size Case Qty

• •

1:10 taper

821001-0002

2 2 2 4 4 6 6

109 109 109

1 1

Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements

41502T-2 41500F-2

12

821001-0004

5-613 5-613

1

41500F-4 41500F-6

12 12

Stopcock Bore Size (mm)

Part Number Stem OD (mm)

Case Qty

111 111

821001-0006

1

802000-0004

10

4

1

Connecting Stopcock with PTFE Plug Threaded Bevel-Seal™ connector with PTFE stopcock. • All connectors have an overall length of approximately 80 mm • Cap 410119 is suitable for use to 200 °C • O-rings are FKM • Replacement plug is 821001 • Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements

O-Ring Size; Stopcock Bore Size (mm)

Accommodation Range (mm)

Part Number

Case Qty

179740-0505 179740-0808

3-5 to 3-5 5-8 to 5-8

105; 2 108; 4

1 1

Replacement Parts

Part Number

Description

Case Qty

Size 2 Straight Bore Stopcock Plug, PTFE, 11/25 mm Plug Size Size 4 Straight Bore Stopcock Plug, PTFE, 15.2/30 mm Plug Size

821001-0002

1

821001-0004

1

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