QL73-QL43氣動三通控制閥英國SpiraxSarco

Pneumatically actuated valves for
quality and accuracy in fluid control
The Spirax Sarco range of QL valves and pneumatic actuators are designed
to give a comprehensive selection of control valves for use on water, oils, and most
industrial fluids.
With valve body ratings up to 40 bar and a range of body materials to select from,
the Spirax Sarco QL valve, coupled to either the PN5000 or PN6000 pneumatic
diaphragm actuator, provides the complete solution for most flow, pressure or
temperature control application.

Valve options
Operation Model Size DN Material Connections
Maximum differential Maximum operating
pressure temperature
Mixing
QL73 15 - 100 SG iron Flanged BS 4504 PN25 25 bar 250°C
QL43 15 - 100 Cast steel Flanged BS 4504 PN40 40 bar 250°C
Diverting
QL73D 15 - 100 SG iron Flanged BS 4504 PN25 25 bar 250°C
QL43D 15 - 100 Cast steel Flanged BS 4504 PN40 40 bar 250°C