Page 138 - BOLA Catalogue

SCREW JOINTS / COMPONENTS WITH GL THREAD
BOLA GL Control Valves
Material: Temperature resistance: Chemical resistance: Pressure:
PTFE, PPS from -20°C to +250°C +++ universal 6 bar
Product description:
Two-way valve with straight bore and two connections with GL thread completely made of PTFE. Motionless sealing without wearing parts due to integrated bellow. For best possible tightness even with considerable thermal fluctuations, the conical nipple of the bellow
is prestressed by means of a spring. The valve can be opened and closed by turning the adjusting nut; a nipple on the top indicates the angle of opening. Suitable for pressure up to max. 6 bar, suitable for vacuum. Universal chemical resistance, the flowing product is only exposed to PTFE.
Applications:
For distributing liquids or gases. Manual regulation for constant flow. Connection of tubing or tubes by means of BOLA Laboratory Screw Joints.
#SUITABLE PAGE 90
Connecting thread
GL
Bore dia.
mm
External dimensions
L x D x H mm
Cat. No.:
14
4
62 x 30 x 73
E 694-14
18
6
80 x 44 x 83
E 694-18
passage open
passage closed
138
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Laboratory screw joints