Product Description

The DSS diaphragm valve is a GC module with two normally open shut-off valves and an atmospheric reference.

Product Features

  • GC fast loop with atmospheric reference
  • Metal-to-metal seals to atmosphere to prevent leakage
  • Wide choice of materials for virtually all applications
  • No dynamic o-rings, springs, or lubricant in wetted flow path to eliminate sample contamination
  • Very low internal volume 0.231 cc
  • Stacked diaphragms for extended service life
  • Pneumatic actuation (top actuation only)
  • Pressures from vacuum (50 torr) to 500 psig (34 barg)
  • Compact package (3˝ L × 2.6˝ H × 1.5˝ W)
  • Interlocking pins between valve body and manifold baseplate to ensure 100% correct reassembly


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