Some designs contain a metal-to-metal seat seal; consequently, needle valves
are a good choice for high-temperature applications.
A unique arrangement of needle valves
regulates the flow of gas.
A new needle-drive unit for hot-runner valve gates is said to overcome several limitations common to single-shot needle valves
. Hasco America Inc., Arden, N.C., says these issues include splitting of the melt, which produces weld lines on flat surfaces; large overall installation height; and inaccurate scale-up from single-cavity development molds to multi-cavity production that uses a different nozzle type.
Most of the time, the regulators are a needle valve
-- a tapered pin that mates to a similar taper in the fitting.
Tenders are invited for Supply of swagelok make integral bonnet needle valve
10mm od ends ss-1rs10mm
"The sliding valve functions similar to a needle valve
, but the design eliminates the chance of black specks ending up in the part," says project leader Gerald Birner.
The Century system is equipped with both height and needle position sensors to maintain consistent needle valve
Tenders are invited for Needle valve
enquiry for panki bhusawal patratu project
Also new from Manner is a wear-resistant needle valve
for abrasive materials.
The M3 micro threaded needle valve
, with M3 threaded inlet and hose barb outlet, is for applications where space, leak-tightness, durability and light weight are required.
Users can choose from bolted bonnet, outside screw and yoke bolted bonnet, and integral screwed needle valve
process monoflange assemblies.
The needle valve
is totally contained within the nozzle housing and does not pass through the hot manifold.