Flange Diaphragm Sealed (FDS)

• Diaphragm seals are provided in the instruments like pressure gauges, switches, transmitters in order to isolate the sensing Element from the main service due to its corrosive, viscous and Sediment nature and to avoid clogging and solidification.
• These kind of seals are widely used in the viscous and widely used in the viscous and corrosive services where flushing is required periodically & frequently.

Standard Version: Suitable for ≥ ∅ 100mm (4″)

• Seal Type:
  • S01: -1 … 0 … 250 Kg/cm² (Standard) (Non PTFE Lined)
  • S02: -1 … 0 … 40 Kg/cm² (With PTFE Lined)
• Process Temperature: 
  • With PTFE Lined: -40°C … +200°C
  • W/o PTFE Lined: Max. 150°C
• Instrument Connection: 3/8″ BSP (F) (Standard)
• Process Connection: Flange (As per DIN / ANSI / BS / JIS Standard), 25 NB (1″) or above.
• Fill Fluid: Silicon Oil DC-200
• Flange Finish: 125 – 250 AARH
• Top Chamber Material: AISI 304 SS
• Diaphragm Material: AISI 316 SS (Direct welded to top chamber)
• Flange Material: AISI 316 SS
• Welded Joints: Tig argon arc welded

Features

• Protection IP - 55, IP - 65 (Filled)
• For use up to full scale value
• Over range protection 1.3 times max.
• Case with or without Liquid filling
• Mounting: bottom direct, bottom surface, back panel, back bracket, back direct