TECHNICAL INFORMATION
421
Ground Ware
TECHNICAL INFO.
Standard Dimensions for Interchangeable Taper-Ground Flask Stoppers
Standard Dimensions for Interchangeable Straight-bore Taper-Ground Stopcocks Standard Diameter Diameter Standard of Plug at Length of Bore Stopcock Center Line of Shell Hole in Number of Bore ±0.5 mm, Plug ( Designation) mm mm mm
Computed Diameter at Large End of Ground Zone (Gauging Point)
Standard
Flask
Approximate Diameter at
Length of
Stopper Number
Ground
Small End
Zone
( Designation)
mm
mm
mm
1M (Micro size)
7
20 30 30 30 40 40 44 44 52 56
1 1 2 3 4 5 6 8
8....................... 7.25 9.......................... 8 13..........................12 16..........................15 19..........................18 22..........................20 27..........................25 32..........................30 38..........................35
10.0 ± 1.0 14.0 ± 1.0 14.0 ± 1.0 15.0 ± 1.0 17.0 ± 1.0 20.5 ± 1.5 21.5 ± 1.5 21.5 ± 1.5 30.0 ± 2.0
8.25
1.................................12 1.5 ............................12 2.................................12 3.................................17 4.................................17 5.................................20 6.................................20 8.................................25 10................................. 35
9.4
1.5
13.4 16.5
19.7
22.05 27.15 32.15
10
38.0
Standard Dimensions for Interchangeable Single Oblique-bore Taper-Ground Stopcocks Diameter Diameter Standard of Plug Length of Bore Stopcock at Gauging of Shell Hole in Number Point ±0.5 mm, Plug ( Designation) mm mm mm
1..........................12.60 1.5 ......................12.60 2..........................12.60 3..........................17.35 4..........................17.35
40 40 40 50 50
1
1.5
2 3 4
Standard Dimensions for Interchangeable Double Oblique-bore (3-Way) Taper-Ground Stopcocks Diameter Diameter Standard of Plug Length of Bore Stopcock at Gauging of Shell Hole in Number Point ±0.5 mm, Plug ( Designation) mm mm mm
1........................... 14.5 1.5 .......................14.5 2........................... 14.5 3........................... 16.2 4........................... 16.2
50 50 50 56 56
1
1.5
2 3 4
Standard Dimensions for Interchangeable T-bore and 120 ø bore Taper-Ground Stopcocks Diameter Diameter Standard of Plug Length of Bore Stopcock at Gauging of Shell Hole in Number Point ±0.5 mm, Plug ( Designation) mm mm mm
1.............................17 1.5 .........................17 2.............................17 3.............................20 4.............................20
40 40 40 44 44
1
1.5
2 3 4
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