رگولاتور درا استار DRA300
کد محصول:
DRA300 series
DRA300 series
DRA300 series is the Springless Reducing Regulator designed to use for gas cabinet for manufacturing the ultra high pure semi-conductor,special gas line, valve manifold boxes other laboratory,etc. It has no conventional spring and adopts flat-wave ring spring(patent 10-1191514) to shuf off particle that may be generated from spring itself so that it can be more affordable for Ultra high purity application.
DRA300 series is the Springless Reducing Regulator designed to use for gas cabinet for manufacturing the ultra high pure semi-conductor,special gas line, valve manifold boxes other laboratory,etc. It has no conventional spring and adopts flat-wave ring spring(patent 10-1191514) to shuf off particle that may be generated from spring itself so that it can be more affordable for Ultra high purity application.
Its optional material as 316L VAR (Double melt VAR) and more suitable to corrosive Gas using application. In order to prevent generation of impurities, it is washed in DI water and the internal surface is treated to the grade of E.P. 10 Ra and 5 Ra. All processes of assembly, welding, testing and washing of DRA300 series are carried out and thoroughly managed in the 100-class and 10-class clean room. DRASTAR regulators are designed and manufactured for easier operation by equipping with the DRASTARs own developed push and lock type handle which completely prevents the self-change of pre-set value which can be caused by the vibration from outside or minute vibration at the gas pipeline. You can prevent the self-changing of pre-set value just by pushing the handle and reset the value freely by drawing the handle. DRASTAR has created and applied patent for this push and lock system for DRASTAR regulators (patent number 10-1086199).
Features
Tied Diaphragm design for positive shut-off
All semiconductor gas industry
For toxic gas
For pyrophoric gas
For high corrosive gas
For protecting the diaphragm from rupturing
Locking-Plate Seal system(Patent No : 10-0753280)
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