Ultra-High Purity pressure regulators

UHP pressure regulators are critical equipment in various steps of semiconductor and photovoltaic cell manufacturing processes. Processes such as diffusion, CVD, screen printing, baking, curing, oxidation, lithography, etching, and ALD demand the highest levels of purity. Rotarex has developed a comprehensive range of diaphragm pressure regulators that exceed the industry's stringent requirements.



Key features of UHP pressure regulators

  • Diaphragm technology: Rotarex pressure regulators ensure stable, precise pressure and flow
  • A very high level of purity: UHP gases are used in applications where gas purity is essential
  • Reliability and safety: excellent leak tightness is a must when toxic and corrosive gases are involved

PRODUCT FEATURES

Assembling, testing & packaging in cleanroom: Class ISO 4

Life duration according to CGA E4

Electropolished surface per SEMI F19 UHP Grade

316L VAR® stainless steel double melt per SEMI F20 option available

Sub-atmospheric option available

Individual serial number for full traceability

Ultra high purity line valves & pressure regulators

Ultra high purity gas pressure regulators

  • HP & UHP regulator
    Cv 0.09, 0.15
    Free diaphragm
  • Single stage diaphragm
    Cv 0.09, 0.15
    Inlet 21/240 bar
  • Sub-atmospheric
    Cv 0.09
    Inlet 21 bar
  • Single stage tied-diaphragm
    Cv 0.09, 0.15
    Inlet 21/240 bar
  • High pressure diaphragm
    Cv 0.15
    Inlet 240/310 bar
  • High pressure piston
    Cv 0.09, 0.15
    Inlet 310 bar
  • Dual stage regulator
    Cv 0.09
    Inlet 240/310 bar
  • Single stage diaphragm
    Cv 0.15, 0.25, 0.5, 0.9, 1.1
    Inlet 21/117/207/240 bar
  • Sub-atmospheric regulator
    Cv 0.5
    Inlet 21 bar
  • Single stage tied-diaphragm
    Cv 0.15, 0.25, 0.5, 0.9, 1.1
    Inlet 21/117/207/240 bar
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