Pneumatic cylinder Valve with Packed Needle Stem Design for High Purity Gas Applications
Key features
Freedom from seizure when used with corrosive gases- gas does not come into contact with the valve operating mechanism.
Positive and effective operation-valve spindle is mechanically linked to the operating hand wheel, which only requires low closing torque.
Long life-valve, all internal parts are replaceable
Adjustable gland packing-in the unlikely event of a leakage occurring past the valve spindle, when opening the valve, rectification is readily achieved by retightening the gland packing nut.
Low internal volume-this is particularly beneficial, when using the valve for hygroscopic, corrosive or high purity gases, where inert gas purging may be necessary before opening after closing the valve.
π 0029(according to TPED), manufacturing date, 3 stars, valve number
Leak rate
<1.10 -5 m bar L/s
Connections
According (inter-)national standards and customer’s specifications
Body materials
Stainless steels 1.4305 (AISI 303) and 1.4435 (AISI 316L), AlSiBz and brass
Working pressure
200 bar
Nominal flow rate
CV = 0.25
Seat orifice size
2.8 Mm
Temperature range
-20 to +65 °c
Product information and images are compiled from the manufacturer's own publications; they do not depict a Sedan Mühendislik installation. Technical data is confirmed before ordering.
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