Crane D931 Fixed Orifice Double Regulating Valve - WRAS Approved
The Crane D931 Double Regulating Valve, with its integral fixed orifice design, offers an accuracy of ± 5% on all settings, for precise flow regulation and measurement.
They are Y-Pattern globe valves having characterised throttling disc tending towards equal percentage performance. Integral square edged entrance orifice plate and P84 insertion test points fitted. Double regulating feature allows valve opening to be set with an Allen key.
Operation of the valve is by means of the Microset handwheel.
The Double Regulating feature allows the valve to be used for isolation and to be reopened to its pre-set position to maintain required flow rate.
Sizes 1" to 2" taper threaded to BS EN 10226-2 (ISO 7-1) formerly BS 21.
Sizes 1/2" & 3/4" DN15 & DN20 BS 2779 (ISO 228) parallel.
Adaptor kits for use with copper tube also available.
Conforms to BS 7350*:1990