Angle Needle Valve, Regulating Wheel and Indicator
Lunkenheimer Needle Valve
Fig 1566
Lunkenheimer Needle Valves are designed for fine, accurate regulation of flow to gauges and other delicate instruments. Compact and well suited for installation in close quarters. Globe models are offered with either bronze or steel stem.
Bodies and Bonnets
Precisely finished to assure accurate alignment of stem/disc and valve seat. Made of the highest quality steam bronze to resist wear and corrosion. Screw-in bonnet design includes large wrench grip.
Discs
Needle valve/stem discs Threaded pitch is extremely fine, providing for unusually close regulation.
Bronze stem/disc Available in globe and angle models. Exceptionally resistant to wear, corrosion and embrittlement.
Seats
Integral. Angle of tapered seating face at end of stem of 30°.
Repacking
Repackable under pressure when wide open.
Hexagon head gland
Permits the use of a light wrench to easily loosen and raise gland. Insures against leakage at the stem.
Handwheels
Two types available:
Non-slip design Insures tight closing (Sizes 1/8″ and 1/4″ do not have cross-bar extension).
Indicator handwheel Has numbered graduation marks which permit resetting the valve to predetermined degree of opening. A spring rachet holds the valve at its setting.
Lunkenheimer Needle Valve: Fig 1566