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257
SCREW JOINTS FOR HPLC
BOLA Transition Fittings
Product description:
Fitting made of PTFE. One side with metric thread and connecting nut with
compression rings for connecting tubing or tubes with O.D. 4, 6, 8 or 10
mm. Other side with female thread UNF ¼” 28 G for connecting flanged
tubing with O.D. 1,6 or 3,2 mm by means of tube end fittings
(see page 252).
Material: Temperature resistance: Chemical resistance: Pressure:
PTFE from -200°C to +250°C +++ universal 5 bar
From tubing I.D. x O.D.
mm
To tubing I.D. x O.D.
mm
O.D.
mm
Total length
mm
Cat. No.:
(1/32“ x 1/16“) 0,8 x 1,6 4 and 6 21 40 F 760-04
(1/32“ x 1/16“) 0,8 x 1,6 8 and 10 26 46 F 760-14
From tubing I.D. x O.D.
mm
To tubing I.D. x O.D.
mm
O.D.
mm
Total length
mm
Cat. No.:
(1/16“ x 1/8“) 1,6 x 3,2 4 and 6 21 40 F 760-08
(1/16“ x 1/8“) 1,6 x 3,2 8 and 10 26 46 F 760-18
BOLA Vario Couplings
Product description:
Two-part coupling made of PVDF for connecting elastic tubing (e.g. Viton®
,
Tygon®, silicone) to hard-walled tubing made of PTFE, glass or other
plastics. Easy and ingenious functioning: the elastic tubing is pushed on a
cone and fixed on the coupling by means of a connecting nut. On the other
side, the hard-walled tubing is connected as follows:
Flanged PTFE tubing with miniature connectors (e.g. Cat. No. F 740
page 246) is connected to a female thread UNF ¼” 28 G.
Hard-walled tubing up to a maximum O.D. of 10 mm is connected to a
GL thread by means of laboratory screw joints (see page 77). Restricted
chemical resistance, working temperatures up to max. +150°C.
Material: Temperature resistance Chemical resistance: Pressure: autoclave:
PVDF from -30°C to +150°C ++ very good 3 bar 121°C
For tubing I.D.
mm
For tubing wall thickness
mm
Bore dia.
mm
Connecting thread
UNF
Cat. No.:
0,8 0,8 and 1,6 0,8 1/4“ 28G F 778-08
1,6 0,8 and 1,6 1,6 1/4“ 28G F 778-16
For tubing I.D.
mm
For tubing wall thickness
mm
Bore dia.
mm
Connecting thread
GL
Cat. No.:
0,8 0,8 and 1,6 0,8 14 D 681-08
1,6 0,8 and 1,6 1,6 14 D 681-16
3,2 1,6 3,2 14 D 681-24
4,0 and 4,8 1,6 4,0 14 D 681-32
6,4 1,6 6,4 18 D 681-40
8 and 9,5 1,6 and 2,4 8,0 18 D 681-48
Applications:
Peristaltic pumps.
A
A
B
B
Example
Example