Fine Control Needle Valve, Wall Mounted
Application: Precise flow control of high purity laboratory gases. Ideal for special gases such as nitrogen, oxygen, helium and hydrogen. Valves and assemblies are specially cleaned, assembled and packaged for use with 99.999% pure (5.0) gases. Valves go from closed to fully open in 6 revolutions of handle, providing precise flow regulation. Valves are capable of delivering one bubble of nitrogen gas at a time.
Finish: Fixtures are available with a choice of six powder coated finishes. Specify finish when ordering: white, gray, tan, polished chrome with clear epoxy, satin nickel with clear epoxy or satin chrome with clear epoxy.
Mounting: For installation on vertical surfaces (such as drywall) where there is no access behind wall during installation. Valve is threaded onto nipple stubbed out of wall. Threaded escutcheon is then backed up to wall to secure valve and conceal tape.
Valve Unit: Floating tapered stainless steel needle and stainless steel seat. Molded TFE stem packing with adjustable packing nut. All working components are replaceable.
Inlet: 3/8"/1/2" IPS female inlet.
Outlet: 3/8" IPS female outlet with removable seven serration hose end.
Quality Assurance: Valve is fully assembled and factory tested prior to shipment.
LTFS4870FT-325 Same as above except with FlowStop.
LT4872FT-325 Fine control needle valve with angle serrated hose end on outlet.
LT4873FT-325 Fine control needle valve with quick connect fitting on outlet.
LT4874FT-325 Fine control needle valve with 1/4" OD compression fitting on outlet.