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Spectropur Pressure control panel SP4-SR

Spectropur Pressure control panel SP4-SR

  • Pressure control panel for flammable gases and ultra high purity gases from grade 6.0
  • SBE: purge- and connection block or SR: pigtail and single valves with – manual waste gas valve (HPV) – manual process gas valve (HPI) – manual purge gas valve (PGI)
  • Check valve to prevent process gas from flowing back into the purge gas line
  • Pre-filter
  • Pressure regulator with tied diaphragm
  • Burst disc
  • Stainless steel valves for manual or automatic (pneumatic) shut-off
  • Minimized purge volume (SBE)
  • Electropolished surfaces (gas wetted)
  • Clearly legible handwheel position indication (on/off)
  • 100 % Helium leak tested
  • Assembly in clean room class ISO 5.0
  • Modular design with many options

 

Operating pressure: max. 300 bar
Materials
Body: Stainless steel 1.4404
Diaphragms: Hastelloy C276
Other gas wetted parts: Stainless steel 1.4404
Sealings 51 (P1 ≤ 50 bar) or
2. stage 53:
PTFE
51 (P1 > 50 bar) or
1. stage 53 and valves:
PCTFE or PVDF
Surface roughness
(gas wetted areas)
Ra,max ≤ 0.25 μm
Surface roughness
(gas wetted areas)
Ra,Avg ≤ 0.18 μm
Temperature range: -20°C to +60°C
Leak rate to atmosphere: ≤ 10-9 mbar l/s He
Leak rate via valve seat: ≤ 10-6 mbar l/s He
cv-value: cv = 0.24 (kv = 0.2)
Weight: ca. 8 kg
Connectors • Cylinder connection (process gas inlet)
• VCR-female (waste gas, process gas outlet)
• VCR-male (purge gas)

 

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